KTSA [140345]: Preliminary Local Storm Report

NWUS54 KTSA 140345
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1045 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1038 PM TORNADO 6 NE RATTAN 34.26N 95.34W
03/13/2008 PUSHMATAHA OK TRAINED SPOTTER

SPOTTERS ON HWY 3 REPORTED A TORNADO TOUCHDOWN 6NE OF
RATTAN

&&

$$

DMJ

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KLZK [140340]: Preliminary Local Storm Report

NWUS54 KLZK 140340
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1040 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1025 PM HAIL 7 S CROSS ROADS 34.12N 92.41W
03/13/2008 E0.50 INCH GRANT AR NWS EMPLOYEE

FOUR MINUTES OF CONTINUOUS HAIL ON HIGHWAY 167.

&&

$$

58

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MESO: Mesoscale Discussion 0396

ACUS11 KWNS 140334
SWOMCD
SPC MCD 140333
ARZ000-LAZ000-TXZ000-OKZ000-140400-

MESOSCALE DISCUSSION 0396
NWS STORM PREDICTION CENTER NORMAN OK
1033 PM CDT THU MAR 13 2008

AREAS AFFECTED...SERN OK/NERN TX INTO CENTRAL/SRN AR AND NRN LA

CONCERNING...SEVERE THUNDERSTORM WATCH 109...

VALID 140333Z - 140400Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 109
CONTINUES.

NEW WW WILL BE NEEDED SOON TO REPLACE WW 109 AS SEVERE WEATHER
THREAT FOR THE LATE EVENING/OVERNIGHT PERIOD CONTINUES TO SHIFT
ACROSS SERN OK/NERN TX INTO CENTRAL/SRN AR AND NRN LA.

MID-LATE EVENING WATER VAPOR IMAGERY SHOWED A SHORT WAVE TROUGH HAS
NOW MOVED INTO ERN OK/NERN TX...WITH MID/UPPER LEVEL FLOW VEERING TO
WLY AS FAR EAST AS SWRN AR AT 03Z. THE VEERED FLOW ALOFT COMBINED
WITH SWLY LLJ EXTENDING FROM NERN TX TO CENTRAL AR AND STRONG
EFFECTIVE BULK SHEAR VALUES ARE SUPPORTING A CONTINUED POTENTIAL FOR
ROTATING UPDRAFTS. THERMODYNAMIC PROFILES WITH COLD MID LEVEL
TEMPERATURES/STEEP LAPSE RATES WILL CONTINUE TO FAVOR LARGE HAIL AS
THE PRIMARY THREAT. HOWEVER...ANY DISCRETE STORM WITH DEVIANT
MOTION MAY CONTINUE TO POSE AN ISOLATED TORNADO THREAT INTO THE
OVERNIGHT PERIOD.

.PETERS.. 03/14/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...JAN...LZK...SHV...TSA...FWD...

32849619 33519580 34349557 35089489 35399362 35309236
34849186 33779161 32689186 32169269 31849418 31609525
31859602

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KTSA [140324]: Preliminary Local Storm Report

NWUS54 KTSA 140324
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1024 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1022 PM HAIL 3 SW WISTER 34.94N 94.76W
03/13/2008 E0.75 INCH LE FLORE OK AMATEUR RADIO

&&

$$

SFP

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KTSA [140322]: Preliminary Local Storm Report

NWUS54 KTSA 140322
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1022 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1010 PM HAIL N GREENWOOD 35.22N 94.26W
03/13/2008 E1.00 INCH SEBASTIAN AR TRAINED SPOTTER

QUARTER SIZE HAIL ON THE NORTH SIDE OF GREENWOOD

&&

$$

DMJ

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KFWD [140311]: Preliminary Local Storm Report

NWUS54 KFWD 140311
LSRFWD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1010 PM CDT THU MAR 13 2008

.TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1003 PM HAIL 3 NE COOPER 33.40N 95.65W
03/13/2008 E0.88 INCH DELTA TX LAW ENFORCEMENT

S.O. RELAYED REPORT OF NICKEL HAIL NEAR ENLOE.

$$

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MESO: Mesoscale Discussion 0395

ACUS11 KWNS 140250
SWOMCD
SPC MCD 140250
ARZ000-LAZ000-TXZ000-OKZ000-140345-

MESOSCALE DISCUSSION 0395
NWS STORM PREDICTION CENTER NORMAN OK
0950 PM CDT THU MAR 13 2008

AREAS AFFECTED...SERN OK INTO NERN TX/SWRN AR

CONCERNING...SEVERE THUNDERSTORM WATCH 109...

VALID 140250Z - 140345Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 109
CONTINUES.

LARGE HAIL THREAT INCREASING ACROSS SERN OK INTO NERN TX. AN
ISOLATED TORNADO WILL ALSO BE POSSIBLE.

TSTMS HAVE RAPIDLY INCREASED IN INTENSITY DURING THE LAST HALF HOUR
/SINCE 0210Z/ FROM PUSHMATAHA COUNTY TO NRN LE FLORE COUNTY IN OK
WITH NEW STORMS DEVELOPING IN SWRN PART OF WW 109 IN NE TX. THE
ACTIVITY IN SERN OK APPEARS TO BE LOCATED ALONG A LOW LEVEL
CONFLUENCE ZONE AROUND 850 MB. MODERATE INSTABILITY...STEEP MID
LEVEL LAPSE RATES AND EFFECTIVE BULK SHEAR OF 30-50 KT WILL MAINTAIN
POTENTIAL FOR ROTATING UPDRAFTS WITH ATTENDANT THREATS FOR MAINLY
LARGE HAIL AND STRONG WIND GUSTS. DISCRETE STORMS THAT SHOW DEVIANT
STORM MOTION...SUCH AS THE ONE CURRENTLY IN PUSHMATAHA COUNTY...MAY
PRODUCE A TORNADO PRIOR TO FURTHER DECOUPLING OF THE BOUNDARY LAYER.

.PETERS.. 03/14/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LZK...SHV...TSA...FWD...OUN...

32939634 33769635 34109589 34619556 35189501 35339462
35289412 34899317 33949350 33049343 32889423

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KLZK [140240]: Preliminary Local Storm Report

NWUS54 KLZK 140240
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
940 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0939 PM HAIL DARDANELLE 35.23N 93.17W
03/13/2008 E0.75 INCH YELL AR TRAINED SPOTTER

0930 PM HAIL RUSSELLVILLE 35.27N 93.14W
03/13/2008 E1.00 INCH POPE AR AMATEUR RADIO

&&

$$

219

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KLZK [140234]: Preliminary Local Storm Report

NWUS54 KLZK 140234
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
934 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0933 PM HAIL RUSSELLVILLE 35.27N 93.14W
03/13/2008 E0.75 INCH POPE AR TRAINED SPOTTER

&&

$$

219

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MESO: Mesoscale Discussion 0394

ACUS11 KWNS 140210
SWOMCD
SPC MCD 140210
MOZ000-ARZ000-LAZ000-TXZ000-OKZ000-KSZ000-140315-

MESOSCALE DISCUSSION 0394
NWS STORM PREDICTION CENTER NORMAN OK
0910 PM CDT THU MAR 13 2008

AREAS AFFECTED...ERN OK/NERN TX/WRN AR/SWRN MO

CONCERNING...SEVERE THUNDERSTORM WATCH 109...

VALID 140210Z - 140315Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 109
CONTINUES.

REGIONAL RADARS SHOWED CONVECTION HAS CONTINUED TO INCREASE NE OF
CENTRAL OK SURFACE LOW ALONG QUASISTATIONARY BOUNDARY EXTENDING
THROUGH NERN OK TO SRN MO...WITH ADDITIONAL ACTIVITY DEVELOPING TO
THE E AND SE OF OKC FROM E OF SNL TO VICINITY OF ATOKA. LATEST
OBJECTIVE ANALYSES INDICATED INHIBITION IS ALL BUT GONE ACROSS ERN
OK. THIS IS LIKELY A RESULT OF DEEP LAYER ASCENT SPREADING EWD
AHEAD OF OK/N TX SHORT WAVE TROUGH AND INCREASED MOISTENING OF LOW
LEVEL AIR MASS AS SLY LLJ STRENGTHENS IN RESPONSE TO DECOUPLING WITH
LOSS OF SURFACE HEATING. MLCAPE OF 500 J/KG OVER NERN OK/NWRN AR TO
1500 J/KG ALONG THE RED RIVER INTO NERN TX COMBINED WITH EFFECTIVE
BULK SHEAR OF 30-45 KT WILL MAINTAIN POTENTIAL FOR ROTATING
UPDRAFTS. THIS COMBINED WITH STEEP MID LEVEL LAPSE RATES WILL
CONTINUE TO PROMOTE A THREAT FOR MAINLY HAIL...SOME APPROACHING 2
INCHES...AND STRONG WIND GUSTS.

.PETERS.. 03/14/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LZK...SGF...SHV...TSA...ICT...FWD...OUN...

32839635 33729629 33999592 34309572 34609574 34799606
35279604 35319631 35489655 36189658 36209603 36999598
37009457 37019402 37279400 37289364 37129364 37089283
36479275 35799296 35369325 35169301 34749333 33019342
32869421 32969573 32879576

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KLZK [140208]: Preliminary Local Storm Report

NWUS54 KLZK 140208
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
908 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0555 PM HAIL 4 E ROYAL 34.52N 93.16W
03/13/2008 E0.75 INCH GARLAND AR AMATEUR RADIO

0555 PM LIGHTNING 4 E ROYAL 34.52N 93.16W
03/13/2008 GARLAND AR AMATEUR RADIO

NUMEROUS FIRES STARTED IN GARLAND COUNTY DUE TO
LIGHTNING.

0602 PM HAIL HOT SPRINGS 34.49N 93.05W
03/13/2008 E1.00 INCH GARLAND AR AMATEUR RADIO

0700 PM HAIL BISMARCK 34.32N 93.17W
03/13/2008 E0.88 INCH HOT SPRING AR PUBLIC

HAIL COVERED THE GROUND IN BISMARCK...WITH THE LARGEST
PIECES BEING NICKEL SIZED.

0705 PM HAIL 2 W MABELVALE 34.65N 92.42W
03/13/2008 E1.00 INCH PULASKI AR BROADCAST MEDIA

QUARTER SIZED HAIL FELL IN OTTER CREEK AREA OF LITTLE
ROCK.

&&

$$

58

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KTSA [140159]: Preliminary Local Storm Report

NWUS54 KTSA 140159
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
859 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0855 PM HAIL 2 S BRISTOW 35.80N 96.39W
03/13/2008 E0.75 INCH CREEK OK EMERGENCY MNGR

&&

$$

DMJ

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KLZK [140125]: Preliminary Local Storm Report

NWUS54 KLZK 140125
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
825 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0735 PM HAIL MALVERN 34.37N 92.82W
03/13/2008 E0.75 INCH HOT SPRING AR PUBLIC

PENNY SIZED HAIL COVERING THE GROUND IN MALVERN.

&&

$$

58

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KLZK [140116]: Preliminary Local Storm Report

NWUS54 KLZK 140116
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
816 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0550 PM LIGHTNING HOT SPRINGS 34.49N 93.05W
03/13/2008 GARLAND AR LAW ENFORCEMENT

SEVERAL GRASS FIRES WERE STARTED BY LIGHTNING IN GARLAND
COUNTY.

0645 PM LIGHTNING AMITY 34.27N 93.46W
03/13/2008 CLARK AR FIRE DEPT/RESCUE

A LARGE TREE CAUGHT ON FIRE DUE TO A LIGHTNING STRIKE.

&&

$$

58

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 140103
SWODY1
SPC AC 140100

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0800 PM CDT THU MAR 13 2008

VALID 140100Z - 141200Z

..THERE IS A SLGT RISK OF SVR TSTMS FROM ERN PARTS OF THE OK AND
EXTREME ERN TX INTO THE LOWER MS VALLEY...

..ERN OK THROUGH NERN TX AND AR...

QUASISTATIONARY FRONT EXTENDS FROM A SURFACE LOW NEAR OKLAHOMA CITY
NEWD THROUGH NERN OK NEAR TULSA AND INTO SRN MO. A DRY LINE EXTENDS
SWD FROM THE LOW THROUGH S CNTRL OK...N CNTRL TX AND FARTHER SOUTH
TO EAST OF DEL RIO. AXIS OF PARTIALLY MODIFIED GULF MOISTURE WITH
MID 50S DEWPOINTS HAS RETURNED THROUGH ERN TX...ERN OK AND THE LOWER
MS VALLEY BENEATH 7.5-8 C/KM MID LEVEL LAPSE RATES...CONTRIBUTING TO
MLCAPE FROM 1000 TO 1500 J/KG.

ELEVATED STORMS CONTINUE OVER AR ON NOSE OF THE LOW LEVEL JET WHERE
CAP IS WEAKER ALONG ERN PERIPHERY OF THE EML. LARGE HAIL WILL REMAIN
THE PRIMARY THREAT WITH THIS ACTIVITY...BUT ISOLATED DAMAGING WIND
WILL ALSO BE POSSIBLE GIVEN LARGE BOUNDARY LAYER
TEMPERATURE-DEWPOINT SPREADS. SURFACE BASED STORMS HAVE BEEN LIMITED
SO FAR AS A RESULT OF A WARM EML HAVING OVERSPREAD THE WARM SECTOR.
HOWEVER...INFLUENCE OF LARGE SCALE ASCENT ACCOMPANYING EWD ADVANCING
SHORTWAVE TROUGH IS SPREADING EWD THROUGH ERN OK...NERN TX AND AR.
THE CAP HAS FINALLY WEAKENED ENOUGH FOR STORMS TO BEGIN DEVELOPING
OVER E CNTRL OK IN VICINITY OF THE DRYLINE AND NERN OK ALONG THE
QUASISTATIONARY FRONT. MLCAPE FROM 500 TO 1000 J/KG...-20 C AT 500
MB...AND STEEP MID LEVEL LAPSE RATES WILL SUPPORT A THREAT OF LARGE
HAIL WITH THIS ACTIVITY. THE FRONT WILL LIKELY SHIFT SEWD WITH TIME
AS THE SHORTWAVE TROUGH ADVANCES EWD...AND ADDITIONAL STORMS MAY
CONTINUE DEVELOPING ALONG AND IN ADVANCE OF THE FRONT FROM ERN OK
INTO AR THIS EVENING. ACTIVITY WILL PROBABLY UNDERGO A WEAKENING
TREND AS IT MOVES TOWARD THE TN VALLEY LATER TONIGHT WHERE
INSTABILITY WILL BE WEAKER...BUT MID LEVEL LAPSE RATES AND
INSTABILITY MIGHT STILL SUPPORT A THREAT FOR MARGINALLY SEVERE HAIL.

..ERN TX THROUGH THE LOWER MS VALLEY...

IT APPEARS THUNDERSTORM DEVELOPMENT ALONG THE DRYLINE IS BECOMING
INCREASINGLY UNLIKELY GIVEN INHIBITING EFFECTS OF THE EML...THE
STABILIZING BOUNDARY LAYER AND TENDENCY FOR LARGE SCALE ASCENT TO
SHIFT EAST OF THE DRYLINE WITH TIME. FARTHER EAST...00Z RAOBS FROM
SHREVEPORT AND LAKE CHARLES STILL SHOW PRESENCE OF A CAP AROUND 700
MB ALONG ERN EDGE OF THE EML. GIVEN LACK OF A LOW LEVEL FOCUS IN
THIS REGION...SURFACE BASED THUNDERSTORM DEVELOPMENT APPEARS
LIMITED. HOWEVER...ELEVATED STORM WILL REMAIN POSSIBLE WITHIN ZONE
OF ASCENT EAST OF ADVANCING SHORTWAVE TROUGH...ESPECIALLY ACROSS NRN
LA NEXT FEW HOURS.

FARTHER SOUTH...A CLUSTER OF THUNDERSTORMS HAS DEVELOPED OFF THE LA
COAST IN ASSOCIATION WITH AN EWD ADVANCING IMPULSE OVER THE NWRN
GULF. MOST OF THIS ACTIVITY WILL REMAIN OFFSHORE. HOWEVER...SOME OF
THESE STORMS MAY SPREAD INTO SERN LA THIS EVENING. THESE STORMS ARE
EXPECTED TO REMAIN SLIGHTLY ELEVATED. HOWEVER...BULK SHEAR WILL BE
SUPPORTIVE OF UPDRAFT ROTATION WITH LARGE HAIL AND ISOLATED DAMAGING
WIND THE MAIN THREATS.

.DIAL.. 03/14/2008

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MESO: Mesoscale Discussion 0393

ACUS11 KWNS 140100
SWOMCD
SPC MCD 140059
LAZ000-ARZ000-TXZ000-140130-

MESOSCALE DISCUSSION 0393
NWS STORM PREDICTION CENTER NORMAN OK
0759 PM CDT THU MAR 13 2008

AREAS AFFECTED...PARTS OF E TX INTO NRN LA/SRN AR

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 140059Z - 140130Z

WW MAY BE NEEDED ACROSS PART OF E TX INTO NRN LA AND SRN AR.

MOISTURE CONTINUES TO RETURN NWD WITH SLY LOW LEVEL FLOW REGIME
ACROSS E TX INTO LA/SRN AR WITH SURFACE DEWPOINTS IN THE MID 50S TO
AROUND 60. THIS MOISTENING BENEATH STEEP MID LEVEL LAPSE RATES /8+
C/KM/ PER 00Z SHV SOUNDING IS AIDING IN GRADUAL DESTABILIZATION WITH
TIME. THIS TREND IS EXPECTED TO PERSIST AS LLJ STRENGTHENS INTO
LA/AR THIS EVENING. WEAK CAP EVIDENT YET ON THE 00Z SHV SOUNDING
SHOULD BE ERODED SOON BY ADDITIONAL LOW LEVEL MOISTENING AND LARGE
SCALE ASCENT ATTENDANT TO OK/N TX IMPULSE MOVING EWD. AS THIS
PROCESS OCCURS...NEW TSTM DEVELOPMENT WILL BE LIKELY. MARGINAL TO
MODERATE INSTABILITY MAY TEMPER THE NUMBER OF STRONGER TO SEVERE
STORMS...BUT EFFECTIVE BULK SHEAR OF 40-50 KT WILL REMAIN SUPPORTIVE
FOR ORGANIZED STORMS.

.PETERS.. 03/14/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...JAN...LZK...LCH...SHV...HGX...FWD...

31079552 32049510 32819439 32839402 32999353 33519346
33819276 33699192 32969160 32369176 31799206 31319263
31049383

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KLZK [140037]: Preliminary Local Storm Report

NWUS54 KLZK 140037
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
737 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0725 PM FLASH FLOOD 5 NW HASKELL 34.56N 92.70W
03/13/2008 SALINE AR LAW ENFORCEMENT

REPORTS OF HIGHWAY 70 FLOODED IN SOUTHEAST SALINE COUNTY.

&&

$$

58

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KPDT [140031]: Preliminary Local Storm Report

NWUS56 KPDT 140031
LSRPDT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OR
530 PM PDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0330 PM HEAVY SNOW TOLLGATE 45.78N 118.11W
03/13/2008 E8.0 INCH UMATILLA OR PUBLIC

REPORT FROM TAMARACK INN

0335 PM HEAVY SNOW 3 NNW SKI BLUEWOOD 46.12N 117.85W
03/13/2008 M8.0 INCH COLUMBIA WA MESONET

SNOWFALL FROM 0300-1500 FROM TOUCHET SNOTEL.

0430 PM HEAVY SNOW 5 SW SPOUT SPRINGS 45.70N 118.11W
03/13/2008 M8.0 INCH UMATILLA OR MESONET

SNOWFALL FROM 0300-1500 AT HIGH RIDGE SNOTEL.

0430 PM SNOW 2 E MEACHAM 45.51N 118.38W
03/13/2008 M5.0 INCH UMATILLA OR TRAINED SPOTTER

STORM TOTAL OVERNIGHT AND TODAY. SOME MELTING OCCURING AT
REPORT TIME.

0440 PM HEAVY SNOW SKI BLUEWOOD 46.08N 117.84W
03/13/2008 M11.0 INCH COLUMBIA WA PUBLIC

SNOWFALL OVERNIGHT AND TODAY.

&&

$$

HULL

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KLZK [140019]: Preliminary Local Storm Report

NWUS54 KLZK 140019
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
719 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0600 PM HAIL HOT SPRINGS 34.49N 93.05W
03/13/2008 E0.75 INCH GARLAND AR LAW ENFORCEMENT

PENNY SIZED HAIL REPORTED IN HOT SPRINGS.

&&

$$

58

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MESO: Mesoscale Discussion 0392

ACUS11 KWNS 140015
SWOMCD
SPC MCD 140015
LAZ000-MSZ000-140215-

MESOSCALE DISCUSSION 0392
NWS STORM PREDICTION CENTER NORMAN OK
0715 PM CDT THU MAR 13 2008

AREAS AFFECTED...SRN LA

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 140015Z - 140215Z

A CLUSTER OF STORMS OVER THE NWRN GULF OF MEXICO WILL CONTINUE TO
MOVE NEWD AND WILL BE NEAR THE LA COAST BETWEEN 0130 AND 0200Z. HAIL
AND GUSTY WINDS WILL BE THE MAIN THREATS.

INCREASING SWLY FLOW IN THE LOW LEVELS CONTINUES TO BRING A GREATER
DEGREE OF MOISTURE AND INSTABILITY NWD ACROSS THE WRN GULF AND INTO
THE UPPER TX AND LA COAST. A CLUSTER OF STORMS...AIDED BY LOW LEVEL
WARM ADVECTION AS WELL AS DEEP LAYER LIFT ASSOCIATED WITH
APPROACHING UPPER TROUGH AXIS HAS INTENSIFIED OVER THE PAST FEW
HOURS. THESE STORMS WILL CONTINUE NEWD AT 45-50 KTS...BRINGING THEM
NEAR THE LA COAST BY 0200Z.

THE 00Z LCH SOUNDING SHOWS VERY STEEP MID TO UPPER LEVEL LAPSE RATES
APPROACHING 8.0 C/KM...ALONG WITH A MOISTENING BOUNDARY LAYER.
OVERALL SHEAR PROFILES ARE FAVORABLE FOR ORGANIZED SEVERE
STORMS...WITH THE COLD TEMPERATURES ALOFT INDICATING A HAIL THREAT.

.JEWELL.. 03/14/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LIX...LCH...

29679291 30279231 30419174 30439049 30238966 30078914
29138870 28908911 28959071 29389151 29489267

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KLZK [140013]: Preliminary Local Storm Report

NWUS54 KLZK 140013
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
713 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0658 PM HAIL SALEM 34.63N 92.56W
03/13/2008 E0.88 INCH SALINE AR LAW ENFORCEMENT

NICKEL SIZED HAIL WAS REPORTED IN SALEM.

0708 PM HAIL BRYANT 34.61N 92.49W
03/13/2008 E0.75 INCH SALINE AR PUBLIC

PENNY SIZED HAIL WAS REPORTED IN BRYANT.

&&

$$

58

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KLZK [140004]: Preliminary Local Storm Report

NWUS54 KLZK 140004
LSRLZK

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
704 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0700 PM HAIL BRYANT 34.61N 92.49W
03/13/2008 E0.75 INCH SALINE AR LAW ENFORCEMENT

PENNY SIZED HAIL REPORTED ALONG I-30 IN BRYANT.

&&

$$

58

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MESO: Mesoscale Discussion 0391

ACUS11 KWNS 132335
SWOMCD
SPC MCD 132334
ARZ000-MOZ000-140030-

MESOSCALE DISCUSSION 0391
NWS STORM PREDICTION CENTER NORMAN OK
0634 PM CDT THU MAR 13 2008

AREAS AFFECTED...PARTS OF CENTRAL AND NRN AR

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 132334Z - 140030Z

TSTMS WILL SPREAD ENEWD INTO CENTRAL/NRN AR THIS EVENING...BUT
SEVERE THREAT SHOULD DECREASE WITH EWD EXTENT AWAY FROM WW 109.

EARLY EVENING SURFACE ANALYSES INDICATED SLOW MOISTENING TO THE EAST
OF WW 109...YET DEWPOINTS CONTINUE TO BE LOWER THAN VALUES FARTHER
WEST INTO SWRN AR/ERN OK. BROKEN LINE OF TSTMS LOCATED IN WRN AR IS
ALONG ERN EXTENT OF EML WHERE ASCENT WITH OK/N TX IMPULSE IS AIDING
IN CONVECTIVE DEVELOPMENT. HOWEVER...AS THIS ACTIVITY CONTINUES TO
MOVE E AWAY FROM THE GREATER INSTABILITY/MOIST AXIS...OVERALL SEVERE
THREAT...ESPECIALLY WITH RESPECT TO HAIL...IS EXPECTED TO DIMINISH.
LOCALIZED STRONGER WIND GUSTS MAY BE THE MAIN THREAT GIVEN CURRENT
SURFACE DEWPOINT DEPRESSIONS OF 30-40 DEGREES...BUT THIS THREAT
SHOULD ALSO DIMINISH WITH EWD EXTENT AS BOUNDARY LAYER COOLS GIVEN
LOSS OF DAY TIME HEATING.

.PETERS.. 03/13/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MEG...LZK...SGF...

34679313 35469321 36519280 36719269 36649154 35979086
34769130 34159155 34309314

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KTSA [132306]: Preliminary Local Storm Report

NWUS54 KTSA 132306
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
606 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0547 PM HAIL JETHRO 35.61N 93.89W
03/13/2008 E0.75 INCH FRANKLIN AR TRAINED SPOTTER

DIME TO PENNY SIZE HAIL COVERING THE GROUND

0547 PM HAIL 3 S WATALULA 35.53N 93.83W
03/13/2008 E0.75 INCH FRANKLIN AR TRAINED SPOTTER

DIME TO PENNY SIZE HAIL AT I-40 EAST BOUND REST STOP
BETWEEN MILE MARKERS 35 AND 37.

0554 PM HAIL ALTUS 35.45N 93.76W
03/13/2008 E0.75 INCH FRANKLIN AR TRAINED SPOTTER

PENNY SIZE HAIL AT ALTUS AND US HIGHWAY 64

&&

$$

DMJ

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KTSA [132244]: Preliminary Local Storm Report

NWUS54 KTSA 132244
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
544 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0502 PM HAIL RUDY 35.53N 94.27W
03/13/2008 E0.88 INCH CRAWFORD AR BROADCAST MEDIA

NICKEL SIZE HAIL OFF HWY 348 IN RUDY

0515 PM HAIL MULBERRY 35.50N 94.05W
03/13/2008 E0.75 INCH CRAWFORD AR BROADCAST MEDIA

DIME TO PENNY SIZE HAIL

0520 PM HAIL MULBERRY 35.50N 94.05W
03/13/2008 E1.75 INCH CRAWFORD AR TRAINED SPOTTER

0530 PM HAIL JETHRO 35.61N 93.89W
03/13/2008 E1.00 INCH FRANKLIN AR TRAINED SPOTTER

&&

$$

DMJ

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KTSA [132226]: Preliminary Local Storm Report

NWUS54 KTSA 132226
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
526 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0455 PM HAIL E VAN BUREN 35.44N 94.35W
03/13/2008 E1.00 INCH SEBASTIAN AR BROADCAST MEDIA

&&

$$

DMJ

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WATCHES: Severe Thunderstorm Watch Number 109...corrected

WWUS20 KWNS 132217 CCA
SEL9
SPC WW 132217 CCA
ARZ000-MOZ000-OKZ000-TXZ000-140600-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 109...CORRECTED
NWS STORM PREDICTION CENTER NORMAN OK
515 PM CDT THU MAR 13 2008

CORRECTED FOR CDT...NOT CST

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

WESTERN ARKANSAS
SOUTHWEST MISSOURI
EASTERN OKLAHOMA
NORTHEAST TEXAS

EFFECTIVE THIS THURSDAY EVENING FROM 515 PM UNTIL 1 AM CDT FRIDAY.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST
NORTHWEST OF MONETT MISSOURI TO 45 MILES SOUTHEAST OF PARIS
TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...SLIGHTLY ELEVATED TSTMS...INCLUDING POSSIBLE
SUPERCELLS...EXPECTED TO DEVELOP/INCREASE IN COVERAGE OVER WW AREA
THROUGH LATE TONIGHT AS WRN OK/NW TX MID-LEVEL VORT CONTINUES EWD.
ASSOCIATED MID-LEVEL COLD ADVECTION...AND GRADUALLY INCREASING
LOW-LEVEL MOISTURE... SUGGEST THAT SUFFICIENT DESTABILIZATION WILL
OCCUR TO EVENTUALLY SUPPORT NEAR-SFC-BASED STORMS. COUPLED WITH EML
SWEEPING EWD ON S SIDE OF VORT...SOME STORMS COULD YIELD LARGE HAIL
AND...POSSIBLY...HIGH WINDS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25030.

..CORFIDI

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WATCHES: Severe Thunderstorm Watch Number 109

WWUS20 KWNS 132217
SEL9
SPC WW 132217
ARZ000-MOZ000-OKZ000-TXZ000-140600-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 109
NWS STORM PREDICTION CENTER NORMAN OK
415 PM CST THU MAR 13 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

WESTERN ARKANSAS
SOUTHWEST MISSOURI
EASTERN OKLAHOMA
NORTHEAST TEXAS

EFFECTIVE THIS THURSDAY AFTERNOON FROM 415 PM UNTIL MIDNIGHT CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST
NORTHWEST OF MONETT MISSOURI TO 45 MILES SOUTHEAST OF PARIS
TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...SLIGHTLY ELEVATED TSTMS...INCLUDING POSSIBLE
SUPERCELLS...EXPECTED TO DEVELOP/INCREASE IN COVERAGE OVER WW AREA
THROUGH LATE TONIGHT AS WRN OK/NW TX MID-LEVEL VORT CONTINUES EWD.
ASSOCIATED MID-LEVEL COLD ADVECTION...AND GRADUALLY INCREASING
LOW-LEVEL MOISTURE... SUGGEST THAT SUFFICIENT DESTABILIZATION WILL
OCCUR TO EVENTUALLY SUPPORT NEAR-SFC-BASED STORMS. COUPLED WITH EML
SWEEPING EWD ON S SIDE OF VORT...SOME STORMS COULD YIELD LARGE HAIL
AND...POSSIBLY...HIGH WINDS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25030.

..CORFIDI

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KTSA [132158]: Preliminary Local Storm Report

NWUS54 KTSA 132158
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
458 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0440 PM HAIL FIGURE FIVE 35.52N 94.35W
03/13/2008 E0.88 INCH CRAWFORD AR PUBLIC

0453 PM HAIL LEE CREEK 35.68N 94.35W
03/13/2008 E0.75 INCH CRAWFORD AR BROADCAST MEDIA

DIME TO PENNY SIZE NEAR LEE CREEK

&&

$$

DMJ

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MESO: Mesoscale Discussion 0390

ACUS11 KWNS 132154
SWOMCD
SPC MCD 132153
MOZ000-ARZ000-OKZ000-KSZ000-132230-

MESOSCALE DISCUSSION 0390
NWS STORM PREDICTION CENTER NORMAN OK
0453 PM CDT THU MAR 13 2008

AREAS AFFECTED...SWRN MO/NWRN AR/PART OF NERN OK

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 132153Z - 132230Z

NRN EXTENT OF WW BEING CONSIDERED FARTHER S ACROSS ERN OK/WRN AR
INTO POTENTIALLY NERN TX/NWRN LA /SEE SPC MESOSCALE DISCUSSION 389/
MAY EXTEND INTO PART OF SWRN MO...ONE OR TWO TIERS OF COUNTIES.

ALTHOUGH MOISTURE IS SOMEWHAT MEAGER WITH NWD EXTENT INTO FAR NERN
OK/NWRN AR AND SWRN MO /SURFACE DEWPOINTS IN THE MID 30 TO MID
40S/...STRONG ASCENT AHEAD OF OK SHORT WAVE TROUGH COUPLED WITH WAA
IN VICINITY OF SURFACE FRONT ARE AIDING IN TSTMS IN THIS REGION.
STEEP LAPSE RATES PER 12Z OUN/17Z LMN SOUNDINGS SUGGEST SOME HAIL
AND ISOLATED WIND GUSTS WILL BE MAIN THREAT...BUT COVERAGE IS NOT
EXPECTED TO BE SUFFICIENT TO SUPPORT A GREATER SEVERE WEATHER THREAT
TOO FAR NORTH INTO MO.

.PETERS.. 03/13/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LZK...SGF...TSA...

36719502 37679443 37909299 37419222 36129232 35389310
35329354 35599472 36229540

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KPIH [132119]: Preliminary Local Storm Report

NWUS55 KPIH 132119
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID
319 PM MDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0100 PM SNOW 11 NE SPENCER 44.49N 112.03W
03/13/2008 E1.0 INCH CLARK ID MESONET

MORNING ACCUMULATION AT CRAB CREEK SNOTEL SITE.

0100 PM SNOW 14 N MONTPELIER 42.53N 111.30W
03/13/2008 E2.0 INCH BEAR LAKE ID MESONET

AM SNOWFALL AT SLUG CREEK DIVIDE SNOTEL SITE.

0100 PM SNOW 11 NE MONTPELIER 42.44N 111.15W
03/13/2008 E2.0 INCH BEAR LAKE ID MESONET

AM SNOWFALL AT GIVEOUT SNOTEL SITE.

0100 PM SNOW 14 E PRESTON 42.10N 111.60W
03/13/2008 E2.0 INCH FRANKLIN ID MESONET

AM SNOWFALL AT FRANKLIN BASIN SNOTEL SITE.

0100 PM SNOW 20 NE PRESTON 42.30N 111.60W
03/13/2008 E3.0 INCH FRANKLIN ID MESONET

AM SNOWFALL AT EMIGRANT SUMMIT AT SNOTEL SITE.

0100 PM SNOW 7 S POCATELLO 42.77N 112.47W
03/13/2008 E2.0 INCH BANNOCK ID MESONET

AM SNOWFALL AT WILDHORSE DIVIDE SNOTEL SITE.

0100 PM SNOW 2 NE WAYAN 43.00N 111.34W
03/13/2008 E3.0 INCH CARIBOU ID MESONET

AM SNOWFALL AT SOMSEN RANCH SNOTEL SITE.

0100 PM SNOW 32 E BLACKFOOT 43.19N 111.71W
03/13/2008 E3.0 INCH BINGHAM ID MESONET

AM SNOWFALL AT SHEEP MOUNTAIN SNOTEL SITE.

0100 PM SNOW 10 SSE LAVA HOT SPRINGS 42.49N 111.93W
03/13/2008 E1.0 INCH BANNOCK ID MESONET

AM SNOWFALL AT SEDGWICK PICK SNOTEL SITE.

0100 PM SNOW TETONIA 43.82N 111.16W
03/13/2008 E2.0 INCH TETON ID TRAINED SPOTTER

AM SNOWFALL.

0100 PM SNOW VICTOR 43.60N 111.11W
03/13/2008 E1.0 INCH TETON ID TRAINED SPOTTER

AM SNOWFALL.

0100 PM SNOW SWAN VALLEY 43.44N 111.32W
03/13/2008 E3.0 INCH BONNEVILLE ID TRAINED SPOTTER

AM SNOWFALL 2-3 INCHES.

0100 PM SNOW WAYAN 42.98N 111.37W
03/13/2008 M1.0 INCH CARIBOU ID TRAINED SPOTTER

AM ACCUMMULATION.

0100 PM SNOW IDAHO FALLS 43.49N 112.04W
03/13/2008 M3.3 INCH BONNEVILLE ID OTHER FEDERAL

AM ACCUMULATION.

0100 PM SNOW 38 E IDAHO FALLS 43.49N 111.28W
03/13/2008 E4.0 INCH BONNEVILLE ID MESONET

AM ACCUMLATION AT PINE CREEK PASS SNOTEL SITE.

0100 PM SNOW 8 NW ISLAND PARK 44.64N 111.45W
03/13/2008 E0.8 INCH FREMONT ID MESONET

AM SNOW ACCUMLATION AT WHITE ELEPHANT SNOTEL SITE.

&&

$$

TWYATT

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KBOI [132058]: Preliminary Local Storm Report

NWUS55 KBOI 132058
LSRBOI

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE ID
258 PM MDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0900 AM SNOW 1 NW CASCADE 44.52N 116.05W
03/13/2008 M0.0 INCH VALLEY ID TRAINED SPOTTER

TRACE OF NEW SNOW FROM 5 AM TO 9 AM. CHANGED OVER TO
RAIN.

1200 PM SNOW 3 N DONNELLY 44.78N 116.08W
03/13/2008 M1.0 INCH VALLEY ID MESONET

1 INCH OF NEW SNOW AT LONG VALLEY SNOTEL EL 4888 FT FROM
6 AM TO 12 PM.

1200 PM SNOW 2 N PINE 43.50N 115.32W
03/13/2008 M1.0 INCH ELMORE ID TRAINED SPOTTER

1 INCH OF NEW SNOW FROM 6 AM TO 12 PM EL 4700 FT. CHANGED
OVER TO RAIN AT NOON.

0200 PM SNOW 4 N YELLOW PINE 44.96N 115.49W
03/13/2008 M0.0 INCH VALLEY ID TRAINED SPOTTER

1 INCH OF NEW SNOW FROM 6 AM TO 930 AM. CHANGED OVER TO
RAIN AFTER 930 AM.

0200 PM SNOW 11 SSE HORSESHOE BEND 43.77N 116.10W
03/13/2008 M4.0 INCH BOISE ID PUBLIC

4 INCHES OF NEW SNOW AT BOGUS BASIN SKI RESORT FROM 5 AM
TO 2 PM.

0215 PM SNOW MCCALL 44.91N 116.11W
03/13/2008 M3.0 INCH VALLEY ID CO-OP OBSERVER

3 INCHES OF NEW SNOW FROM 4 AM TO 2 PM.

&&

$$

DDECKER

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KVEF [132056]: Preliminary Local Storm Report...summary

NWUS55 KVEF 132056
LSRVEF

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LAS VEGAS NV
156 PM PDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0400 AM NON-TSTM WND GST 3 SSW INDEPENDENCE 36.76N 118.22W
03/13/2008 M60.00 MPH INYO CA MESONET

MEASURED AT SIERRA ROTORS SITE 8. ELEVATION 4724 FEET.

0400 AM NON-TSTM WND GST 2 N BISHOP 37.40N 118.40W
03/13/2008 M55.00 MPH INYO CA DEPT OF HIGHWAYS

US HIGHWAY 395 WAS CLOSED FROM BISHOP TO NORTH OF THE
MONO-INYO COUNTY LINE TO BRIDGEPORT DUE TO HIGH CROSS
WINDS FROM 4 AM TO 6 AM THURSDAY MORNING. GUSTS UP TO 55
MPH WERE MEASURED BY SEVERAL SITES FROM THE OWENS VALLEY
MESONET.

0710 AM NON-TSTM WND GST 5 WSW INDEPENDENCE 36.77N 118.28W
03/13/2008 M66.00 MPH INYO CA MESONET

MEASURED AT SIERRA ROTORS SITE 1. ELEVATION 5697 FEET.

0830 AM NON-TSTM WND GST 4 SW INDEPENDENCE 36.76N 118.25W
03/13/2008 M64.00 MPH INYO CA MESONET

MEASURED AT SIERRA ROTORS SITE 7. ELEVATION 5167 FEET.

1014 AM NON-TSTM WND GST 28 S OLANCHA 35.87N 117.92W
03/13/2008 M72.00 MPH INYO CA MESONET

MEASURED AT FIVE MILE RAWS. ELEVATION 4150 FEET.

1137 AM NON-TSTM WND GST BARSTOW 34.88N 117.07W
03/13/2008 M52.00 MPH SAN BERNARDINO CA ASOS

MEASURED AT KDAG.

&&

$$

STACHELSKI

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MESO: Mesoscale Discussion 0389

ACUS11 KWNS 132051
SWOMCD
SPC MCD 132051
ARZ000-LAZ000-TXZ000-OKZ000-132215-

MESOSCALE DISCUSSION 0389
NWS STORM PREDICTION CENTER NORMAN OK
0351 PM CDT THU MAR 13 2008

AREAS AFFECTED...EASTERN OK/NORTHEAST TX INTO WESTERN AR/NORTHWEST
LA

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 132051Z - 132215Z

MONITORING FOR INCIPIENT THUNDERSTORM DEVELOPMENT AND AN INCREASING
SEVERE RISK LATE THIS AFTERNOON ACROSS EASTERN OK/NORTHEAST
TX...INTO WESTERN AR/NORTHWEST LA. IT APPEARS LARGE HAIL WILL BE THE
PRIMARY HAZARD...ALTHOUGH STRONG WIND GUSTS AND PERHAPS A TORNADO
WILL BE POSSIBLE AS WELL. CURRENT THINKING IS THAT A WATCH MAY BE
NEEDED AS EARLY AS 22Z.

WATER VAPOR IMAGERY FEATURES A PROGRESSIVE/RELATIVELY LOW AMPLITUDE
SHORTWAVE TROUGH TRANSITIONING EASTWARD ACROSS WESTERN OK/WEST
CENTRAL TX AT MID AFTERNOON. AT THE SURFACE...A 1000 MB SURFACE LOW
IS ANALYZED ACROSS SOUTH CENTRAL OK...WITH AN ATTENDANT
DRYLINE/TRAILING PACIFIC FRONT EXTENDING INTO NORTH CENTRAL TX JUST
WEST OF DALLAS-FORT WORTH. AHEAD OF THESE FEATURES...LOW LEVEL
SOUTHERLY MOIST TRAJECTORIES HAVE LEAD TO A STEADY NORTHWARD
PROGRESSION OF A MODIFIED GULF AIRMASS ACROSS EASTERN TX/SOUTHEAST
OK THROUGH EARLY AFTERNOON...WITH MODEST MOISTURE AS CHARACTERIZED
BY 50S TO LOWER 60S F SURFACE DEWPOINTS AS OF 20Z. BENEATH A
PRONOUNCED ELEVATED MIXED LAYER PER 12Z RAOBS/RUC
SOUNDINGS...EXTENSIVE STRATUS HAS RETARDED HEATING THUS FAR
COINCIDENT WITH THE LOW LEVEL MOIST AXIS...AND THIS CLOUD
COVER/INHIBITION COMPLICATES THE CONFIDENCE IN TRUE SURFACE BASED
DEVELOPMENT LATER THIS AFTERNOON/EARLY EVENING. REGARDLESS...IT
APPEARS LIKELY THAT THUNDERSTORMS WILL INCREASE ACROSS EASTERN
OK/NORTHEAST TX BETWEEN 22Z-01Z GIVEN INCREASING LARGE SCALE
ASCENT/DESTABILIZATION...WITH A RISK OF AT LEAST LARGE HAIL GIVEN
THE VERY STEEP MID LEVEL LAPSE RATES.

.GUYER.. 03/13/2008

..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LZK...SHV...TSA...FWD...OUN...

35869604 35859450 34879340 32279376 31859624 32509719
33889679

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KLWX [132041]: Preliminary Local Storm Report

NWUS51 KLWX 132041
LSRLWX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
440 PM EDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0407 PM TSTM WND GST 2 N WESTMINSTER 39.61N 77.01W
03/08/2008 M75.00 MPH CARROLL MD AWOS

CARROLL COUNTY RGNL AIRPORT

0413 PM TSTM WND GST 2 E LINEBORO 39.72N 76.80W
03/08/2008 M68.00 MPH CARROLL MD CO-OP OBSERVER

&&

$$

SMZ

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KDLH [132018]: Preliminary Local Storm Report

NWUS53 KDLH 132018
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
317 PM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1000 AM SNOW MERCER 46.17N 90.06W
03/13/2008 M3.5 INCH IRON WI TRAINED SPOTTER

1000 AM SNOW 20 NE PARK FALLS 46.14N 90.15W
03/13/2008 M3.0 INCH IRON WI TRAINED SPOTTER

1000 AM SNOW EXELAND 45.67N 91.24W
03/13/2008 M2.5 INCH SAWYER WI TRAINED SPOTTER

&&

$$

BERDES

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 131732
SWODY2
SPC AC 131730

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CDT THU MAR 13 2008

VALID 141200Z - 151200Z

..THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE SRN
PLAINS...OZARK PLATEAU...LOWER MS VALLEY AND TN VALLEY...

..SRN PLAINS/LOWER MS VALLEY/TN VALLEY...
LATEST WATER VAPOR IMAGERY SHOWS A WELL-DEFINED UPPER-LEVEL TROUGH
OVER THE SRN PLAINS. THIS FEATURE IS FORECAST TO MOVE EWD INTO THE
LOWER MS VALLEY TONIGHT AND ACROSS THE SERN STATES FRIDAY. SCATTERED
THUNDERSTORMS WILL LIKELY BE ONGOING ACROSS A BROAD WARM SECTOR IN
PARTS OF LA...MS AND AR ASSOCIATED WITH WARM ADVECTION AND THE
LOW-LEVEL JET. AS THE SHORTWAVE TROUGH MOVES EWD DURING THE
DAY...CONVECTIVE COVERAGE ACROSS THE REGION APPEARS LIKELY TO
DECREASE. HOWEVER...A SECONDARY LOW-AMPLITUDE SHORTWAVE TROUGH IS
FORECAST TO APPROACH THE REGION FRIDAY NIGHT. LARGE-SCALE ASCENT
ASSOCIATED WITH THIS UPPER-LEVEL TROUGH SHOULD RESULT IN
REDEVELOPMENT OF CONVECTION ACROSS THE OZARKS AND THE TN VALLEY
DURING THE EVENING AND OVERNIGHT PERIOD.

CONCERNING THE SEVERE POTENTIAL...A BROAD ZONE OF 55 TO 65 KT
MID-LEVEL WIND SPEEDS IS FORECAST TO BE IN PLACE ACROSS THE SRN
PLAINS FRIDAY EXTENDING EWD ACROSS THE GULF COAST STATES. THIS
SHOULD RESULT IN MODERATE VERTICAL SHEAR PROFILES EARLY IN THE
PERIOD ACROSS A WARM SECTOR SUGGESTING STORM ORGANIZATION WILL BE
POSSIBLE BEFORE THE FIRST SHORTWAVE TROUGH EXITS TO THE EAST. THE
STRONG LOW-LEVEL FLOW AND COLD TEMPS ALOFT SHOULD SUPPORT A WIND
DAMAGE AND HAIL THREAT. THE INSTABILITY AXIS IS FORECAST TO REMAIN
WEST OF THE MORNING CONVECTION AND THIS COULD KEEP ANY SEVERE THREAT
ACROSS MS...TN...AL ISOLATED THROUGH MIDDAY. THE GREATER SEVERE
THREAT APPEARS LIKELY TO DEVELOP ALONG AND JUST NORTH OF A
STATIONARY FRONT AND SFC LOW TRACKING EWD INTO NRN AR BY LATE
EVENING. LIFT ASSOCIATED WITH THE EXIT REGION OF A 70 TO 80 KT
MID-LEVEL JET WILL ALSO LIKELY ENHANCE THE SEVERE POTENTIAL. THIS
JET IS ALSO FORECAST TO STEADILY INCREASE VERTICAL SHEAR PROFILES
ACROSS THE OZARK PLATEAU AND 0-6 KM SHEAR VALUES COULD REACH 75 KT
BY THE 00Z TO 03Z SAT TIMEFRAME AS SUGGESTED BY REGIONAL FORECAST
SOUNDINGS. THIS WOULD BE MORE THAN SUFFICIENT FOR SUPERCELLS
ESPECIALLY AS AN MCS ORGANIZES IN THE NWRN PART OF THE SLIGHT RISK
AREA AND MOVES EWD INTO THE TN VALLEY OVERNIGHT. STEEP MID-LEVEL
LAPSE RATES COUPLED WITH THE STRONG SHEAR SHOULD SUPPORT A THREAT
FOR LARGE HAIL WITH THE MORE PERSISTENT SUPERCELLS. NORTH OF THE
BOUNDARY...CONVECTION SHOULD REMAIN ELEVATED WITH THE PRIMARY THREAT
HAIL. SOUTH OF THE BOUNDARY ACROSS THE WARM SECTOR...SFC DEWPOINTS
ARE FORECAST TO BE IN THE UPPER 50S F AND LOWER 60S F RESULTING IN
MODERATE INSTABILITY. IN ADDITION TO LARGE HAIL...THIS COULD SUPPORT
A WIND DAMAGE THREAT WITH SFC-BASED STORMS REACHING NRN MS AND NRN
AL LATE IN THE PERIOD.

.BROYLES.. 03/13/2008

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 131631
SWODY1
SPC AC 131628

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1128 AM CDT THU MAR 13 2008

VALID 131630Z - 141200Z

..THERE IS A SLGT RISK OF SVR TSTMS LATE TODAY INTO TONIGHT FOR ERN
OK/E TX/AR/LA...

..ERN OK/WRN AR/NE TX AREA THIS AFTERNOON INTO TONIGHT...
A MID LEVEL SHORTWAVE TROUGH IS MOVING EWD OVER W TX/THE PANHANDLE
AND WILL CONTINUE EWD OVER N TX/OK TODAY...REACHING THE LOWER MS AND
TN VALLEYS BY THE END OF THE PERIOD. AN ASSOCIATED SURFACE CYCLONE
WILL MOVE GENERALLY EWD ACROSS CENTRAL OK THIS AFTERNOON TO NRN
AR/SRN MO OVERNIGHT. S OF THE SURFACE LOW...A DRYLINE WILL
CONSOLIDATE ACROSS CENTRAL TX THIS AFTERNOON...BUT THIS BOUNDARY
SHOULD MOVE ONLY SLOWLY EWD TONIGHT.

LOW-LEVEL MOISTURE RETURN IS UNDERWAY FROM THE WRN GULF OF MEXICO TO
THE SRN AND ERN TX. THE MAGNITUDE OF THE BOUNDARY LAYER DEWPOINTS
SHOULD BE LIMITED TO THE LOW-MID 60S NEAR THE COAST AND 55-60 F
INLAND ACROSS CENTRAL/E TX INTO SE OK THIS AFTERNOON...WHILE THE
MARINE BOUNDARY LAYER CONTINUES TO MODIFY IN THE WAKE OF A PRIOR
FRONTAL INTRUSION. OF GREATER CONCERN IS THE RELATIVELY WARM
ELEVATED MIXED LAYER OVER TX/OK DEPICTED BY 12Z SOUNDINGS. SURFACE
TEMPERATURES WILL NEED TO WARM INTO THE RANGE OF 82-86 F TO MINIMIZE
CONVECTIVE INHIBITION THIS AFTERNOON ALONG THE DEVELOPING
DRYLINE...GIVEN THE MODEST BOUNDARY LAYER MOISTURE. IT APPEARS THE
MORE PROBABLE AREA FOR CONVECTIVE INITIATION LATE THIS
AFTERNOON/EVENING WILL BE CLOSER TO THE SURFACE LOW ACROSS ERN
OK...IN THE REGION OF SUSTAINED ASCENT AND A COOLER ELEVATED MIXED
LAYER COMPARED TO AREAS FARTHER S IN TX.

VERTICAL SHEAR WILL BE SUFFICIENT FOR SUPERCELLS ACROSS THE WARM
SECTOR...WITH SOMEWHAT WEAKER DEEP LAYER SHEAR N OF THE MID-UPPER
JET CORE /NEAR AND N OF I-40/. THE COMBINATION OF MLCAPE AOA 1500
J/KG...0-6 KM BULK SHEAR OF 40-50 KT...MID LEVEL LAPSE RATES GREATER
THAN 8 C/KM...AND RELATIVELY COLD MID LEVEL TEMPERATURES WILL FAVOR
LARGE HAIL PRODUCTION. THE TORNADO THREAT IS MORE UNCERTAIN.
STILL...ANY PERSISTENT SUPERCELLS WILL HAVE SOME TORNADO POTENTIAL
GIVEN 0-1 KM SRH OF 150-250 M2/S2 AND REASONABLY LOW LCL HEIGHTS
THIS EVENING.

..SE TX THIS AFTERNOON INTO SRN LA TONIGHT...
THE MAJORITY OF SHORT TERM MODEL FORECASTS SHOW A CLUSTER CONVECTION
FORMING OVER SE TX BY LATE AFTERNOON...AND THE CONVECTION IS
FORECAST TO SPREAD EWD OVER SRN LA TONIGHT. THIS MODEL SIGNAL
APPEARS TO BE RELATED TO MOISTENING NEAR AND ABOVE THE SURFACE...IN
ADVANCE OF A WEAK LEAD SHORTWAVE TROUGH EJECTING NEWD FROM NE
MEXICO. THERE WILL BE SOME THREAT FOR SURFACE-BASED STORMS ACROSS
SE TX LATE THIS AFTERNOON IN PROXIMITY TO THE AXIS OF RETURN FLOW
MOISTURE AND JUST E OF THE WARMEST ELEVATED MIXED LAYER PLUME.
HOWEVER...THE MAJORITY OF THE CONVECTION OVERNIGHT WILL LIKELY
REMAIN ELEVATED...ESPECIALLY TONIGHT OVER LA AS THE LOW LEVELS MAY
BE SLOW TO RECOVER GIVEN THE INITIAL CONDITIONS AND THE ONSET OF
PRECIPITATION PRIOR TO INLAND RETURN OF THE MORE MODIFIED MARINE
BOUNDARY LAYER. LARGE HAIL SHOULD BE THE PRIMARY SEVERE THREAT.

.THOMPSON/JEWELL.. 03/13/2008

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KMQT [131628]: Preliminary Local Storm Report

NWUS53 KMQT 131628
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
1228 PM EDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1200 PM SNOW 3 W POINT AUX BARQUES 45.80N 86.40W
03/13/2008 M5.0 INCH SCHOOLCRAFT MI CO-OP OBSERVER

STORM TOTAL. SNOW DEPTH OF 21 INCHES.

&&

$$

SRF

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KVEF [131615]: Preliminary Local Storm Report...corrected

NWUS55 KVEF 131615
LSRVEF

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE LAS VEGAS NV
915 AM PDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0400 AM NON-TSTM WND GST 40 S BISHOP 36.79N 118.40W
03/13/2008 M55.00 MPH FRESNO CA DEPT OF HIGHWAYS

US HIGHWAY 395 WAS CLOSED FROM BISHOP TO BRIDGEPORT DUE
TO HIGH CROSS WINDS FROM 4 AM TO 6 AM THURSDAY MORNING.
GUSTS UP TO 55 MPH WERE MEASURED BY SEVERAL SITES FROM
THE OWENS VALLEY MESONET.

&&

$$

KLABELLE

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KVEF [131612]: Preliminary Local Storm Report

NWUS55 KVEF 131612
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
910 AM PDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0759 AM NON-TSTM WND GST 40 S BISHOP 36.79N 118.40W
03/13/2008 M55 MPH FRESNO CA DEPT OF HIGHWAYS

US HIGHWAY 395 HAS BEEN CLOSED FROM BISHOP TO BRIDGEPORT
DUE TO HIGH CROSS WINDS. GUSTS UP TO 55 MPH HAVE BEEN
MEASURED BY SEVERAL SITES FROM THE OWENS VALLEY MESONET.

&&

$$

KLABELLE

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KGRB [131440]: Preliminary Local Storm Report

NWUS53 KGRB 131440
LSRGRB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
940 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0930 AM SNOW ANTIGO 45.14N 89.13W
03/13/2008 E3.8 INCH LANGLADE WI PUBLIC

&&

$$

MG

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KMQT [131433]: Preliminary Local Storm Report

NWUS53 KMQT 131433
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
1031 AM EDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0900 AM SNOW 3 NE NISULA 46.80N 88.74W
03/13/2008 M4.2 INCH HOUGHTON MI CO-OP OBSERVER

IN 12 HOURS. SNOW DEPTH OF 23 INCHES.

&&

$$

SRF

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KMFR [131425]: Preliminary Local Storm Report

NWUS56 KMFR 131425
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
725 AM PDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0722 AM HEAVY RAIN 1 WSW CHILOQUIN 42.57N 121.89W
03/13/2008 E1.86 INCH KLAMATH OR TRAINED SPOTTER

8 HOUR ACCUMULATION

&&

$$

BUNKER

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KDLH [131425]: Preliminary Local Storm Report

NWUS53 KDLH 131425
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
925 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0915 AM SNOW GURNEY 46.47N 90.51W
03/13/2008 M2.4 INCH IRON WI CO-OP OBSERVER

&&

$$

RBERDES

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KDLH [131404]: Preliminary Local Storm Report

NWUS53 KDLH 131404
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
904 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0858 AM SNOW 4 N GRANTSBURG 45.84N 92.68W
03/13/2008 M1.0 INCH BURNETT WI TRAINED SPOTTER

0858 AM SNOW GLIDDEN 46.13N 90.58W
03/13/2008 M3.0 INCH ASHLAND WI TRAINED SPOTTER

0858 AM SNOW FINLAND 47.41N 91.25W
03/13/2008 M2.6 INCH LAKE MN TRAINED SPOTTER

WOLF RIDGE

0858 AM SNOW SAGINAW 46.86N 92.44W
03/13/2008 M2.6 INCH ST. LOUIS MN TRAINED SPOTTER

0858 AM SNOW MAPLE 46.59N 91.72W
03/13/2008 M1.4 INCH DOUGLAS WI TRAINED SPOTTER

0858 AM SNOW EXELAND 45.67N 91.24W
03/13/2008 M2.5 INCH SAWYER WI TRAINED SPOTTER

0858 AM SNOW PARK FALLS 45.93N 90.45W
03/13/2008 M2.2 INCH PRICE WI TRAINED SPOTTER

0858 AM SNOW LUTSEN 47.64N 90.71W
03/13/2008 M3.0 INCH COOK MN TRAINED SPOTTER

0858 AM SNOW 5 SW COTTON 47.12N 92.55W
03/13/2008 M2.2 INCH ST. LOUIS MN TRAINED SPOTTER

LAKE NICHOLS

0858 AM SNOW ISLAND LAKE 47.01N 92.19W
03/13/2008 M2.5 INCH ST. LOUIS MN TRAINED SPOTTER

0858 AM SNOW SUPERIOR 46.70N 92.06W
03/13/2008 M3.3 INCH DOUGLAS WI TRAINED SPOTTER

&&

$$

SWANNEBO

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KAPX [131311]: Preliminary Local Storm Report

NWUS53 KAPX 131311
LSRAPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GAYLORD MI
911 AM EDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0910 AM SNOW INDIAN RIVER 45.42N 84.62W
03/13/2008 M1.0 INCH CHEBOYGAN MI TRAINED SPOTTER

1 HR SNOWFALL THRU 9 AM.

&&

$$

JZ

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KMQT [131302]: Preliminary Local Storm Report

NWUS53 KMQT 131302
LSRMQT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
900 AM EDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0800 AM SNOW 1 NW IRONWOOD 46.46N 90.17W
03/13/2008 M4.1 INCH GOGEBIC MI CO-OP OBSERVER

IN 24 HOURS. SNOW DEPTH OF 18 INCHES.

&&

$$

SRF

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 131247
SWODY1
SPC AC 131243

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0743 AM CDT THU MAR 13 2008

VALID 131300Z - 141200Z

..THERE IS A SLGT RISK OF SVR TSTMS OVER ERN PARTS OF THE SRN
PLAINS INTO THE LOWER MS VALLEY...

..SRN PLAINS INTO THE LOWER MS RIVER VALLEY/MID SOUTH...
MODELS ARE IN AGREEMENT IN TAKING FAST MOVING SHORTWAVE TROUGH EWD
ACROSS THE SRN PLAINS TODAY AND OVER THE MS RIVER VALLEY TONIGHT.
SMALL AREA OF ENHANCED WSWLY MID LEVEL FLOW /H5 WINDS AOA 50 KT/
WILL DEVELOP OVER ERN TX INTO THE LOWER MS RIVER VALLEY ASSOCIATED
WITH THIS SYSTEM. IN ADDITION...SWLY LLJ WILL STRENGTHEN BY LATE
TODAY OVER ERN TX WHICH WILL INTENSIFY AND BECOME MORE WLY ACROSS
THE LOWER MS RIVER VALLEY OVERNIGHT. AT THE SURFACE...LOW TAKING
SHAPE OVER SWRN OK/NWRN TX ATTM WILL BECOME BETTER DEFINED AND SHIFT
ENEWD ACROSS OK TODAY WITH TROUGH/DRY LINE EXTENDING SSWWD AS IT
MOVES ACROSS CENTRAL TX.

ALTHOUGH LARGE SCALE PATTERN WILL BECOME INCREASINGLY SUPPORTIVE OF
THUNDERSTORM DEVELOPMENT OVER THIS REGION...SYSTEM WILL BE
RELATIVELY DRY WITH PW/S OF HALF-INCH OR LESS AND SURFACE DEW POINTS
BELOW 50F EARLY THIS MORNING. STRENGTHENING RETURN FLOW AT LOWER
LEVELS WILL SUPPORT MODEST MOISTURE RETURN FOR THIS TIME OF YEAR
WITH SURFACE DEW POINTS LIKELY APPROACHING 60F ACROSS ERN TX AND MID
50F READINGS DEVELOPING INTO ERN OK/WRN AR BY 00Z. DESPITE
MOISTENING LOW LEVELS...MODEL SOUNDINGS /SUPPORTED BY 12Z SOUNDINGS
AT OUN AND FTW/ INDICATE SUBSTANTIAL ELEVATED MIXED-LAYER IN PLACE
OVER THE SRN PLAINS. THIS WILL EFFECTIVELY CAP MUCH OF THE REGION
UNTIL LATE TODAY.

..ERN OK/NERN TX INTO THE MID SOUTH...
COMBINATION OF HEATING AND INCREASING DEEP ASCENT EXPECTED TO
SUPPORT THUNDERSTORMS OVER NERN TX/ERN OK/WRN AR LATE TODAY...WHICH
WILL INCREASE IN COVERAGE AND DEVELOP ENEWD OVERNIGHT. LOW LEVEL
SHEAR WILL BE RELATIVELY STRONG AND CERTAINLY SHOULD SUPPORT THE
POTENTIAL FOR LOW LEVEL ROTATION/ISOLATED TORNADOES WHERE STORMS
REMAIN ROOTED NEAR THE SURFACE. HOWEVER...DEEP LAYER SHEAR IS
FORECAST TO REMAIN MARGINAL FOR SUSTAINED SUPERCELLS AND ACTIVITY
MAY EVOLVE INTO SEVERAL MULTICELL CLUSTERS WITH EMBEDDED SUPERCELLS.
LARGE HAIL WILL BECOME PRIMARY SEVERE THREAT AS STORMS BECOME
ELEVATED DUE TO STABILIZING BOUNDARY LAYER AFTER SUNSET...ALTHOUGH
VERY STEEP LAPSE RATES MAY SUPPORT A FEW VERY LARGE HAIL STONES.

..ERN TX ACROSS THE LOWER MS RIVER VALLEY...
DIURNAL DEVELOPMENT INTO ERN TX IS MORE CONDITIONAL THAN POINTS
FARTHER NORTH GIVEN PRONOUNCED CAPPING AND QUESTIONABLE MOISTURE
RETURN. HOWEVER SHOULD CAP BREAK NEAR/EAST OF APPROACHING SURFACE
TROUGH...PARAMETERS WILL BE FAVORABLE FOR SUPERCELLS /SOME
LONGER-LIVED/ GIVEN THE ENHANCED EML AND STRONGER SHEAR PROFILES IN
PLACE. MODELS ARE NOT CONSISTENT IN QPF OVER THIS REGION THIS
AFTERNOON...BUT COME INTO BETTER AGREEMENT LATER THIS EVENING IN
DEVELOPING WIDESPREAD THUNDERSTORMS FROM SERN TX ACROSS LA/MS
OVERNIGHT. SURFACE BASED/TORNADO-WIND THREATS WILL REMAIN DEPENDANT
ON DEGREE OF MOISTURE RETURN. HOWEVER...FORECAST SOUNDINGS SUGGEST
ACTIVITY WILL BECOME ELEVATED WITH PRIMARY THREAT OF LARGE HAIL
DIMINISHING AS ACTIVITY OVERSPREADS THE LOWER MS RIVER VALLEY LATER
TONIGHT.

.EVANS/SMITH.. 03/13/2008

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KGRB [131238]: Preliminary Local Storm Report

NWUS53 KGRB 131238
LSRGRB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
738 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0737 AM SNOW WEYAUWEGA 44.31N 88.93W
03/13/2008 M0.5 INCH WAUPACA WI TRAINED SPOTTER

0.05 INCH WATER EQUIVALENT. SNOWDEPTH IS 13 INCHES.

&&

$$

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KDLH [131232]: Preliminary Local Storm Report

NWUS53 KDLH 131232
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
731 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0725 AM SNOW TWO HARBORS 47.03N 91.68W
03/13/2008 M3.0 INCH LAKE MN TRAINED SPOTTER

0725 AM SNOW GILE 46.43N 90.23W
03/13/2008 M3.5 INCH IRON WI TRAINED SPOTTER

0725 AM SNOW BRIMSON 47.28N 91.87W
03/13/2008 M2.2 INCH ST. LOUIS MN TRAINED SPOTTER

0725 AM SNOW COOK 47.85N 92.69W
03/13/2008 M3.0 INCH ST. LOUIS MN TRAINED SPOTTER

0725 AM SNOW EMBARRASS 47.66N 92.20W
03/13/2008 M1.0 INCH ST. LOUIS MN TRAINED SPOTTER

0725 AM SNOW BUTTERNUT 46.01N 90.50W
03/13/2008 M3.3 INCH ASHLAND WI TRAINED SPOTTER

0725 AM SNOW SARONA 45.71N 91.81W
03/13/2008 M1.7 INCH WASHBURN WI TRAINED SPOTTER

0725 AM SNOW GRAND MARAIS 47.76N 90.34W
03/13/2008 M3.3 INCH COOK MN TRAINED SPOTTER

0725 AM SNOW 12 N ISLE 46.32N 93.46W
03/13/2008 M1.0 INCH AITKIN MN TRAINED SPOTTER

0725 AM SNOW SILVER BAY 47.29N 91.28W
03/13/2008 M2.8 INCH LAKE MN TRAINED SPOTTER

0725 AM SNOW 5 W GRAND MARAIS 47.76N 90.45W
03/13/2008 M4.0 INCH COOK MN TRAINED SPOTTER

0725 AM SNOW FINLAND 47.41N 91.25W
03/13/2008 M4.0 INCH LAKE MN PARK/FOREST SRVC

0725 AM SNOW 7 NW TWO HARBORS 47.10N 91.78W
03/13/2008 M2.4 INCH LAKE MN TRAINED SPOTTER

0725 AM SNOW 15 N GRAND RAPIDS 47.45N 93.52W
03/13/2008 M0.8 INCH ITASCA MN TRAINED SPOTTER

0725 AM SNOW 8 S HAYWARD 45.89N 91.48W
03/13/2008 M1.2 INCH SAWYER WI TRAINED SPOTTER

&&

$$

SWANNEBO

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KDLH [131119]: Preliminary Local Storm Report

NWUS53 KDLH 131119
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
619 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0510 AM SNOW GILE 46.43N 90.23W
03/13/2008 M4.0 INCH IRON WI CO-OP OBSERVER

0520 AM SNOW BRIMSON 47.28N 91.87W
03/13/2008 M2.2 INCH ST. LOUIS MN TRAINED SPOTTER

0537 AM SNOW BUTTERNUT 46.01N 90.50W
03/13/2008 M3.3 INCH ASHLAND WI CO-OP OBSERVER

0610 AM SNOW COOK 47.85N 92.69W
03/13/2008 M3.0 INCH ST. LOUIS MN CO-OP OBSERVER

0615 AM SNOW EMBARRASS 47.66N 92.20W
03/13/2008 M1.0 INCH ST. LOUIS MN CO-OP OBSERVER

&&

$$

LILES

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KDLH [131115]: Preliminary Local Storm Report

NWUS53 KDLH 131115
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
615 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0602 AM SNOW SARONA 45.71N 91.81W
03/13/2008 M1.7 INCH WASHBURN WI TRAINED SPOTTER

&&

$$

LILES

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KGRB [131028]: Preliminary Local Storm Report

NWUS53 KGRB 131028
LSRGRB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
527 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0426 AM SNOW WAUSAU 44.96N 89.63W
03/13/2008 M3.9 INCH MARATHON WI CO-OP OBSERVER

EVENT TOTAL. FROM WSAW-TV.

0527 AM SNOW LAKE TOMAHAWK 45.81N 89.59W
03/13/2008 M3.0 INCH ONEIDA WI TRAINED SPOTTER

EVENT TOTAL.

&&

$$

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KDLH [130841]: Preliminary Local Storm Report

NWUS53 KDLH 130841
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
341 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0340 AM SNOW TWO HARBORS 47.03N 91.68W
03/13/2008 M3.0 INCH LAKE MN PUBLIC

&&

$$

LILES

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 130836
SWOD48
SPC AC 130835

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0335 AM CDT THU MAR 13 2008

VALID 161200Z - 211200Z

..DISCUSSION...

LATEST ECMWF AND GFS MEDIUM RANGE GUIDANCE ARE IN REASONABLY GOOD
AGREEMENT WITH TROUGH EVOLUTION EARLY NEXT WEEK ACROSS THE SWRN U.S.
DIFFERENCES BEGIN TO EMERGE BEYOND DAY5 AS ECMWF SLOWS THE
PROGRESSION OF THE TROUGH INTO TX WHILE THE GFS EJECTS THE TROUGH
QUICKLY INTO THE TN/OH VALLEY MID WEEK. GULF MOISTURE SHOULD
READILY RETURN AHEAD OF THIS TROUGH INTO THE SRN PLAINS AND
INSTABILITY WILL LIKELY SUPPORT STRONG/SEVERE DEEP CONVECTION ON
MONDAY. SEVERE RISK WILL LIKELY BE EXTENDED INTO DAY6 AS
PROGRESSION OF UPPER TROUGH BECOMES MORE OBVIOUS.

.DARROW.. 03/13/2008

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KDVN [130726]: Preliminary Local Storm Report

NWUS53 KDVN 130726
LSRDVN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
226 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0146 AM FLOOD MARENGO 41.80N 92.07W
03/13/2008 IOWA IA LAW ENFORCEMENT

ICE JAM FLOODING ALONG IOWA RIVER NEAR MARENGO. WATER
OVER RURAL GRAVEL ROADS.

&&

$$

DLS

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 130724
SWODY3
SPC AC 130722

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0222 AM CDT THU MAR 13 2008

VALID 151200Z - 161200Z

..THERE IS A SLGT RISK OF SVR TSTMS FROM WRN TN/KY INTO THE
CAROLINAS...

..TN VALLEY TO THE CAROLINA COAST...

STRONG SPEED MAX WILL EJECT ACROSS THE TN VALLEY/NRN GULF STATES
INTO THE CAROLINAS DAY3 WITH WEAK HEIGHT RISES EXPECTED ACROSS THE
REGION. EARLY IN THE PERIOD IT APPEARS WARM ADVECTION WILL FOCUS
THUNDERSTORM CLUSTERS...A FEW SEVERE...JUST AHEAD OF SFC LOW ACROSS
WRN TN/KY. WITH SWLY LLJ EXPECTED TO SHIFT EAST DURING THE DAY IT
SEEMS REASONABLE TO EXPECT THIS ACTIVITY TO MOVE/DEVELOP EWD ALONG
WARM FRONT INTO THE CAROLINAS. GIVEN THE RELATIVELY WEAK BOUNDARY
LAYER CONVERGENCE ACROSS THE WARM SECTOR THUNDERSTORMS WILL LIKELY
BE CONCENTRATED ALONG THE E-W BOUNDARY. DURING PEAK HEATING A FEW
THUNDERSTORMS SHOULD DEVELOP SOUTH OF THE WARM FRONT AHEAD OF
ADVANCING COLD FRONT ACROSS NRN MS GA INTO SC. WITH DEW POINTS
RISING INTO THE 60S MODEST INSTABILITY AND SHEAR WILL SUPPORT THE
THREAT OF ISOLATED SUPERCELLS. BY EARLY EVENING GREATEST SEVERE
THREAT WILL SHIFT INTO THE CAROLINAS AS EXIT REGION OF UPPER SPEED
MAX BEGINS TO SHIFT OFFSHORE.

.DARROW.. 03/13/2008

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KDLH [130641]: Preliminary Local Storm Report...summary

NWUS53 KDLH 130641
LSRDLH

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DULUTH MN
140 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0600 PM SNOW 3 SW BRAINERD 46.32N 94.24W
03/12/2008 M0.5 INCH CROW WING MN TRAINED SPOTTER

0630 PM SNOW SARONA 45.71N 91.81W
03/12/2008 M1.0 INCH WASHBURN WI TRAINED SPOTTER

0715 PM SNOW EXELAND 45.67N 91.24W
03/12/2008 M1.5 INCH SAWYER WI TRAINED SPOTTER

0730 PM SNOW PILLAGER 46.33N 94.48W
03/12/2008 M1.3 INCH CASS MN TRAINED SPOTTER

0730 PM SNOW CROSSLAKE 46.68N 94.09W
03/12/2008 M3.0 INCH CROW WING MN TRAINED SPOTTER

0750 PM SNOW 1 W PHILLIPS 45.70N 90.42W
03/12/2008 M1.5 INCH PRICE WI TRAINED SPOTTER

0800 PM SNOW DULUTH 46.78N 92.12W
03/12/2008 M0.5 INCH ST. LOUIS MN OFFICIAL NWS OBS

0815 PM SNOW NISSWA 46.50N 94.30W
03/12/2008 M2.0 INCH CROW WING MN TRAINED SPOTTER

0820 PM SNOW 5 N PILLAGER 46.40N 94.48W
03/12/2008 M2.0 INCH CASS MN TRAINED SPOTTER

0820 PM SNOW ISLAND LAKE 47.01N 92.19W
03/12/2008 M1.0 INCH ST. LOUIS MN TRAINED SPOTTER

0830 PM SNOW 4 SSW BRUNO 46.23N 92.70W
03/12/2008 M1.0 INCH PINE MN CO-OP OBSERVER

0830 PM SNOW 3 N BRAINERD 46.40N 94.19W
03/12/2008 M2.3 INCH CROW WING MN TRAINED SPOTTER

0900 PM SNOW 2 E PEQUOT LAKES 46.60N 94.28W
03/12/2008 M2.0 INCH CROW WING MN TRAINED SPOTTER

0900 PM SNOW LITTLEFORK 48.40N 93.56W
03/12/2008 M0.3 INCH KOOCHICHING MN CO-OP OBSERVER

0900 PM SNOW DULUTH 46.78N 92.12W
03/12/2008 M1.1 INCH ST. LOUIS MN OFFICIAL NWS OBS

0900 PM SNOW 1 W PHILLIPS 45.70N 90.42W
03/12/2008 M3.0 INCH PRICE WI TRAINED SPOTTER

0900 PM SNOW 5 SE GRAND RAPIDS 47.18N 93.45W
03/12/2008 M1.5 INCH ITASCA MN TRAINED SPOTTER

1115 PM SNOW CHISHOLM 47.49N 92.88W
03/12/2008 M3.0 INCH ST. LOUIS MN TRAINED SPOTTER

1115 PM SNOW MOOSE LAKE 46.45N 92.77W
03/12/2008 M1.0 INCH CARLTON MN TRAINED SPOTTER

1120 PM SNOW DULUTH 46.78N 92.12W
03/12/2008 M2.0 INCH ST. LOUIS MN TRAINED SPOTTER

0100 AM SNOW DULUTH 46.78N 92.12W
03/13/2008 M2.5 INCH ST. LOUIS MN OFFICIAL NWS OBS

0100 AM SNOW CLOQUET 46.73N 92.49W
03/13/2008 M2.0 INCH CARLTON MN TRAINED SPOTTER

&&

THE TOTALS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET
CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE
FINAL AMOUNT FOR EACH LOCATION.

SNOW REPORTS LISTED BY AMOUNT

INCHES LOCATION ST COUNTY TIME
------ ----------------------- -- -------------- -------
3.00 CHISHOLM MN ST. LOUIS 1115 PM
3.00 1 W PHILLIPS WI PRICE 0900 PM
3.00 CROSSLAKE MN CROW WING 0730 PM
2.50 DULUTH MN ST. LOUIS 0100 AM
2.30 3 N BRAINERD MN CROW WING 0830 PM
2.00 CLOQUET MN CARLTON 0100 AM
2.00 DULUTH MN ST. LOUIS 1120 PM
2.00 2 E PEQUOT LAKES MN CROW WING 0900 PM
2.00 5 N PILLAGER MN CASS 0820 PM
2.00 NISSWA MN CROW WING 0815 PM
1.50 5 SE GRAND RAPIDS MN ITASCA 0900 PM
1.50 1 W PHILLIPS WI PRICE 0750 PM
1.50 EXELAND WI SAWYER 0715 PM
1.30 PILLAGER MN CASS 0730 PM
1.10 DULUTH MN ST. LOUIS 0900 PM
1.00 MOOSE LAKE MN CARLTON 1115 PM
1.00 4 SSW BRUNO MN PINE 0830 PM
1.00 ISLAND LAKE MN ST. LOUIS 0820 PM
1.00 SARONA WI WASHBURN 0630 PM
0.50 DULUTH MN ST. LOUIS 0800 PM
0.50 3 SW BRAINERD MN CROW WING 0600 PM
0.30 LITTLEFORK MN KOOCHICHING 0900 PM

$$

SGOHDE

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KDLH [130641]: Preliminary Local Storm Report...summary

NWUS53 KDLH 130641
LSRDLH

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE DULUTH MN
140 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0600 PM SNOW 3 SW BRAINERD 46.32N 94.24W
03/12/2008 M0.5 INCH CROW WING MN TRAINED SPOTTER

0630 PM SNOW SARONA 45.71N 91.81W
03/12/2008 M1.0 INCH WASHBURN WI TRAINED SPOTTER

0715 PM SNOW EXELAND 45.67N 91.24W
03/12/2008 M1.5 INCH SAWYER WI TRAINED SPOTTER

0730 PM SNOW PILLAGER 46.33N 94.48W
03/12/2008 M1.3 INCH CASS MN TRAINED SPOTTER

0730 PM SNOW CROSSLAKE 46.68N 94.09W
03/12/2008 M3.0 INCH CROW WING MN TRAINED SPOTTER

0750 PM SNOW 1 W PHILLIPS 45.70N 90.42W
03/12/2008 M1.5 INCH PRICE WI TRAINED SPOTTER

0800 PM SNOW DULUTH 46.78N 92.12W
03/12/2008 M0.5 INCH ST. LOUIS MN OFFICIAL NWS OBS

0815 PM SNOW NISSWA 46.50N 94.30W
03/12/2008 M2.0 INCH CROW WING MN TRAINED SPOTTER

0820 PM SNOW 5 N PILLAGER 46.40N 94.48W
03/12/2008 M2.0 INCH CASS MN TRAINED SPOTTER

0820 PM SNOW ISLAND LAKE 47.01N 92.19W
03/12/2008 M1.0 INCH ST. LOUIS MN TRAINED SPOTTER

0830 PM SNOW 4 SSW BRUNO 46.23N 92.70W
03/12/2008 M1.0 INCH PINE MN CO-OP OBSERVER

0830 PM SNOW 3 N BRAINERD 46.40N 94.19W
03/12/2008 M2.3 INCH CROW WING MN TRAINED SPOTTER

0900 PM SNOW 2 E PEQUOT LAKES 46.60N 94.28W
03/12/2008 M2.0 INCH CROW WING MN TRAINED SPOTTER

0900 PM SNOW LITTLEFORK 48.40N 93.56W
03/12/2008 M0.3 INCH KOOCHICHING MN CO-OP OBSERVER

0900 PM SNOW DULUTH 46.78N 92.12W
03/12/2008 M1.1 INCH ST. LOUIS MN OFFICIAL NWS OBS

0900 PM SNOW 1 W PHILLIPS 45.70N 90.42W
03/12/2008 M3.0 INCH PRICE WI TRAINED SPOTTER

0900 PM SNOW 5 SE GRAND RAPIDS 47.18N 93.45W
03/12/2008 M1.5 INCH ITASCA MN TRAINED SPOTTER

1115 PM SNOW CHISHOLM 47.49N 92.88W
03/12/2008 M3.0 INCH ST. LOUIS MN TRAINED SPOTTER

1115 PM SNOW MOOSE LAKE 46.45N 92.77W
03/12/2008 M1.0 INCH CARLTON MN TRAINED SPOTTER

1120 PM SNOW DULUTH 46.78N 92.12W
03/12/2008 M2.0 INCH ST. LOUIS MN TRAINED SPOTTER

0100 AM SNOW DULUTH 46.78N 92.12W
03/13/2008 M2.5 INCH ST. LOUIS MN OFFICIAL NWS OBS

0100 AM SNOW CLOQUET 46.73N 92.49W
03/13/2008 M2.0 INCH CARLTON MN TRAINED SPOTTER

&&

$$

SGOHDE

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KDLH [130640]: Preliminary Local Storm Report

NWUS53 KDLH 130640
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
140 AM CDT THU MAR 13 2008

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1115 PM SNOW MOOSE LAKE 46.45N 92.77W
03/12/2008 M1.0 INCH CARLTON MN TRAINED SPOTTER

1115 PM SNOW CHISHOLM 47.49N 92.88W
03/12/2008 M3.0 INCH ST. LOUIS MN TRAINED SPOTTER

1120 PM SNOW DULUTH 46.78N 92.12W
03/12/2008 M2.0 INCH ST. LOUIS MN TRAINED SPOTTER

0100 AM SNOW CLOQUET 46.73N 92.49W
03/13/2008 M2.0 INCH CARLTON MN TRAINED SPOTTER

0100 AM SNOW DULUTH 46.78N 92.12W
03/13/2008 M2.5 INCH ST. LOUIS MN OFFICIAL NWS OBS

&&

$$

SGOHDE

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 130556
SWODY1
SPC AC 130554

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1254 AM CDT THU MAR 13 2008

VALID 131200Z - 141200Z

..THERE IS A SLGT RISK OF SVR TSTMS OVER ERN PARTS OF THE SRN
PLAINS INTO THE LOWER MS VALLEY...

..SYNOPSIS...

PROGRESSIVE UPPER PATTERN WILL PREVAIL THURSDAY WITH PRIMARY FEATURE
OF INTEREST BEING THE SHORTWAVE TROUGH CURRENTLY MOVING INTO THE SRN
ROCKIES. THIS FEATURE WILL MOVE ESEWD INTO THE SRN PLAINS DURING THE
DAY THEN INTO THE LOWER MS VALLEY THURSDAY EVENING. WRN END OF FRONT
NOW EXTENDING FROM THE GREAT LAKES AREA SWWD INTO NWRN OK AND THE TX
PANHANDLE WILL TEMPORARILY STALL AS WEAK SURFACE WAVE DEVELOPS OVER
OK. DRYLINE SETUP ACROSS CNTRL TX AND EXTEND NWD TO THE SURFACE LOW
IN OK...BUT WILL BE OVERTAKEN BY SEWD ADVANCING PACIFIC FRONT
ACCOMPANYING THE SHORTWAVE TROUGH. THE FRONT WILL ADVANCE SEWD AND
EXTEND FROM NRN AR SWWD THROUGH ERN TX BY THE END OF THE PERIOD.

..ERN OK AND ERN TX THROUGH THE LOWER MS VALLEY...

BOUNDARY LAYER OVER THE GULF IS STILL IN THE PROCESS OF MODIFICATION
WITH DEWPOINTS ONLY AROUND 60 NEAR THE COAST WITH 50S FARTHER INLAND
OVER THE TX COAST. LOW LEVEL MOISTURE RETURN THROUGH THE SRN PLAINS
WILL THEREFORE BE SOMEWHAT LIMITED. SLY LOW LEVEL JET DEVELOPING IN
ADVANCE OF THE SHORTWAVE TROUGH WILL ADVECT MODIFIED CP THROUGH ERN
TX...ERN OK AND INTO THE LOWER MS VALLEY WITH DEWPOINTS RANGING FROM
THE 50S IN ERN OK AND AR TO THE LOWER 60S FARTHER SW ACROSS ERN TX
AND PARTS OF LA THURSDAY EVENING. THE MOISTURE WILL RETURN NWD
BENEATH STEEPENING MID LEVEL LAPSE RATES AND COLD AIR ALOFT WITH
-16C TO -20C AT 500 MB. THIS WILL CONTRIBUTE TO AN AXIS OF 1000 TO
1500 J/KG MLCAPE FROM ERN TX...ERN OK DURING THE AFTERNOON. THE
ATMOSPHERE WILL DESTABILIZE OVER THE LOWER MS VALLEY DURING THE
EVENING AS THE MOIST AXIS AND STEEPER MID LEVEL LAPSE RATES ADVECT
EWD.

PRIMARY ZONE OF THUNDERSTORM DEVELOPMENT WILL LIKELY OCCUR DURING
THE LATE AFTERNOON OVER PARTS OF ERN OK NEAR TRIPLE POINT REGION AND
WITHIN ZONE OF STRONGER LOW LEVEL FORCING AND CONVERGENCE ON NOSE OF
THE LOW LEVEL JET. STORMS MAY DEVELOP SWD ALONG DRYLINE INTO NERN
TX. THIS ACTIVITY WILL SUBSEQUENTLY SHIFT EWD INTO ARKANSAS DURING
THE EVENING. BULK SHEAR PROFILES WILL BE SUPPORTIVE OF
SUPERCELLS...BUT OWING TO EXPECTED FAIRLY LARGE TEMPERATURE-DEWPOINT
SPREADS...THE MAIN THREATS SHOULD BE LARGE HAIL AND ISOLATED
DAMAGING WIND.

FARTHER SOUTH INTO ERN TX...THE THREAT IS MORE CONDITIONAL DUE TO
LIKELIHOOD OF A STRONGER CAP. HOWEVER...INSTABILITY WILL BE STRONGER
IN THIS REGION. CURRENT THINKING IS THAT A FEW STORMS MAY DEVELOP
DURING THE EVENING FROM EXTREME ERN TX OR INTO THE LOWER MS VALLEY
ALONG ERN FRINGE OF EML WITHIN ZONE OF HEIGHT FALLS AND LOW LEVEL
WARM ADVECTION. BULK SHEAR WILL SUPPORT SUPERCELLS WITH LARGE HAIL
AND DAMAGING WIND THE MAIN THREATS. THE LOW LEVEL JET WILL INCREASE
DURING THE EVENING WITH FAIRLY LARGE LOW LEVEL HODOGRAPHS.
HOWEVER...LOW LEVEL MOISTURE RETURN WILL REMAIN SOMEWHAT
LIMITED...AND WITH THE ONSET OF NOCTURNAL COOLING THE BOUNDARY LAYER
WILL PROBABLY BECOME INCREASINGLY DECOUPLED AFTER DARK.

.DIAL.. 03/13/2008

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 130548
SWODY2
SPC AC 130546

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1246 AM CDT THU MAR 13 2008

VALID 141200Z - 151200Z

..THERE IS A SLGT RISK OF SVR TSTMS FROM ERN OK...ACROSS AR INTO
THE TN VALLEY AND SWD TO THE CNTRL GULF COAST...

..ERN OK TO TN VALLEY...

STRONG SPEED MAX WILL EJECT ESEWD ACROSS THE SRN ROCKIES INTO N TX
BY EARLY EVENING WHICH SHOULD INDUCE SFC CYCLOGENESIS ALONG TRAILING
WARM FRONT NEAR THE RED RIVER. STRONGEST ASCENT WILL BE IN
CONJUNCTION WITH EXIT REGION OF THIS JET TO THE NORTH OF THE WARM
FRONT. GIVEN THE VERY STEEP LAPSE RATES THAT WILL BE IN PLACE
ACROSS THE SCNTRL U.S...THE MAIN IMPEDIMENTS FOR ORGANIZED SEVERE
THUNDERSTORMS FRIDAY WILL BE THE SLOW RETURN OF BOUNDARY LAYER
MOISTURE INTO THIS ZONE OF ASCENT AND THE SOMEWHAT WEAK
CONVERGENCE...ESPECIALLY ACROSS THE WARM SECTOR. IN ALL LIKELIHOOD
THE WARM SECTOR ACROSS TX AND LA WILL PROVE TOO CAPPED FOR
THUNDERSTORM DEVELOPMENT. COOLER MOIST PROFILES WILL BE REQUIRED
FOR DEEP CONVECTION AND THIS SHOULD INITIALLY OCCUR ACROSS OK WHERE
MODEST SFC DEW POINTS WILL PROVE ADEQUATE FOR FREE CONVECTION
BENEATH COLD MID LEVEL TEMPERATURES...H5 OF MINUS 18-20C. THIS
ACTIVITY SHOULD SPREAD EAST DURING THE OVERNIGHT HOURS INTO AR/SRN
MO AND QUICKLY BECOME ELEVATED AS BOUNDARY LAYER DECOUPLES.
HOWEVER...STRONGER CONVERGENCE AND LIFT WILL BE NOTED BENEATH VEERED
LLJ AND SEVERE ELEVATED THUNDERSTORMS SEEM PROBABLE ACROSS THIS
REGION AS SFC LOW/COLD FRONT ADVANCE EWD INTO AR AFTER MIDNIGHT.
FORECAST SOUNDINGS SUGGEST ELEVATED SUPERCELLS CAPABLE OF GENERATING
LARGE HAIL WILL BE THE PRIMARY THREAT. THIS ACTIVITY SHOULD SPREAD
INTO WRN TN/KY LATE IN THE PERIOD.

..CENTRAL GULF COAST...

DOWNSTREAM...LATE DAY1 THUNDERSTORM ACTIVITY SHOULD BE ONGOING IN
ASSOCIATION WITH STRONG WARM ADVECTION ACROSS THE NRN GULF OF MEXICO
INTO THE CNTRL GULF STATES. ONE LLJ JET SEGMENT WILL BE FOCUSED
ACROSS THIS REGION AND THEN SHIFT EWD INTO NRN FL AS THE DAY
PROGRESSES. THIS SHOULD DRIVE ONE OR MORE CLUSTERS OF THUNDERSTORMS
ALONG LEADING EDGE OF HIGHER QUALITY MOISTURE RETURN. FORECAST
SOUNDINGS ACROSS THIS REGION ARE NOT PARTICULARLY UNSTABLE BUT DEEP
VEERING PROFILES WITH SUBSTANTIAL SPEED SHEAR FAVOR ROTATING
UPDRAFTS. ISOLATED SEVERE STORMS ARE POSSIBLE WITH PERHAPS A FEW
WIND GUSTS OR HAIL APPROACHING SEVERE LEVELS.

.DARROW.. 03/13/2008

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