Sunday, March 22, 2009

KGJT [230351]: Preliminary Local Storm Report

NWUS55 KGJT 230351
LSRGJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
950 PM MDT SUN MAR 22 2009

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

0655 PM NON-TSTM WND GST 4 W HOTCHKISS 38.80N 107.79W
03/22/2009 M66.00 MPH DELTA CO PUBLIC

0622 PM NON-TSTM WND GST GRAND JUNCTION 39.09N 108.55W
03/22/2009 M66.00 MPH MESA CO ASOS


&&

$$

PF

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KABR [230340]: Preliminary Local Storm Report

NWUS53 KABR 230340
LSRABR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1040 PM CDT SUN MAR 22 2009

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

1036 PM HEAVY RAIN 1 SE CASTLEWOOD 44.71N 97.02W
03/22/2009 M1.45 INCH HAMLIN SD PUBLIC


&&

$$

CONNELLY

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KPIH [230246]: Preliminary Local Storm Report

NWUS55 KPIH 230246
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
846 PM MDT SUN MAR 22 2009

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

0842 PM SNOW 2 ESE MOORE 43.72N 113.33W
03/22/2009 E4.0 INCH BUTTE ID TRAINED SPOTTER

4 INCHES NEW SNOW

0842 PM SNOW 3 S BERENICE 43.78N 112.98W
03/22/2009 E2.0 INCH BUTTE ID TRAINED SPOTTER

2 INCHES NEW SNOW

0842 PM SNOW NE ARCO 43.64N 113.30W
03/22/2009 E5.0 INCH BUTTE ID TRAINED SPOTTER

5 TO 6 INCHES NEW SNOW WITH 2 INCHES ON THE GROUND

0842 PM SNOW 3 ESE ARCO 43.61N 113.25W
03/22/2009 E4.0 INCH BUTTE ID TRAINED SPOTTER

4 TO 5 INCHES NEW SNOW WITH 2 INCHES ON THE GROUND


&&

$$

DPHELPS

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KSEW [230158]: Preliminary Local Storm Report

NWUS56 KSEW 230158
LSRSEW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
658 PM PDT SUN MAR 22 2009

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

0653 PM HEAVY RAIN 3 E EDMONDS 47.83N 122.31W
03/22/2009 E1.00 INCH SNOHOMISH WA TRAINED SPOTTER

ESTIMATED RAINFALL IN 3 TO 4 HOURS. PONDING SEEN IN
STREETS. STILL RAINING.


&&

$$

GRUB

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KVEF [230142]: Preliminary Local Storm Report

NWUS55 KVEF 230142
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
642 PM PDT SUN MAR 22 2009

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

0510 PM NON-TSTM WND GST NORTH LAS VEGAS AP 36.21N 115.20W
03/22/2009 M58 MPH CLARK NV ASOS


&&

$$

JH

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KVEF [230139]: Preliminary Local Storm Report

NWUS55 KVEF 230139
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
639 PM PDT SUN MAR 22 2009

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

0204 PM NON-TSTM WND GST LAS VEGAS MCCARRAN AP 36.09N 115.17W
03/22/2009 M52 MPH CLARK NV ASOS


&&

$$

JH

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KVEF [230133]: Preliminary Local Storm Report

NWUS55 KVEF 230133
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
633 PM PDT SUN MAR 22 2009

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

0552 PM NON-TSTM WND GST UNION PASS RAWS 35.23N 114.38W
03/22/2009 M49 MPH MOHAVE AZ MESONET


&&

$$

JH

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KLKN [230100]: Preliminary Local Storm Report

NWUS55 KLKN 230100
LSRLKN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ELKO NV
600 PM PDT SUN MAR 22 2009

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

1000 AM HEAVY SNOW SPRING CREEK 40.74N 115.60W
03/22/2009 M5.0 INCH ELKO NV NWS EMPLOYEE

NEAR MARINA

1100 AM SNOW ELKO 40.84N 115.76W
03/22/2009 M1.3 INCH ELKO NV OFFICIAL NWS OBS

0145 PM HEAVY SNOW 3 S ELY 39.21N 114.88W
03/22/2009 M4.0 INCH WHITE PINE NV TRAINED SPOTTER

0200 PM HEAVY SNOW ELY 39.25N 114.88W
03/22/2009 M3.8 INCH WHITE PINE NV CO-OP OBSERVER

0500 PM HEAVY SNOW EUREKA 39.50N 115.95W
03/22/2009 E4.5 INCH EUREKA NV EMERGENCY MNGR


&&

$$

MS

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 230058
SWODY1
SPC AC 230055

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0755 PM CDT SUN MAR 22 2009

VALID 230100Z - 231200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
STRONG UPPER LEVEL TROUGH...CURRENTLY TRACKING EWD THROUGH THE
INTERMOUNTAIN WEST...WILL MOVE INTO THE CENTRAL/SRN ROCKIES BY 12Z
MONDAY. MEANWHILE...A PAIR OF LEAD MID LEVEL IMPULSES WILL MOVE
NEWD THROUGH THE NRN PLAINS AND NEWD ACROSS THE MID/LOWER MO VALLEY
TONIGHT. IN THE LOW LEVELS...A SURFACE LOW LOCATED OVER THE NRN
HIGH PLAINS IS EXPECTED TO WEAKEN THIS EVENING...WHILE CYCLOGENESIS
OCCURS ACROSS SERN WY INTO NERN CO IN RESPONSE TO STRONG HEIGHT
FALLS /150-180 METERS AT H5/ EXPECTED OVER ERN CO LATE TONIGHT.

...FAR NERN CO/NEB PANHANDLE/WRN SD...
SSELY LOW LEVEL FLOW ACROSS THIS REGION ALONG ERN/NERN PERIPHERY OF
SERN WY/NERN CO CYCLOGENESIS WILL ALLOW DRY LINE TO RETREAT WWD
ACROSS WRN SD AND THE NEB PANHANDLE. MEANWHILE...TRENDS IN LATE
AFTERNOON/EARLY EVENING SATELLITE IMAGERY INDICATED STRONG DEEP
LAYER ASCENT SPREADING ENEWD ACROSS CO/WY/SRN MT PER RAPID
MOISTENING/CLOUD DEVELOPMENT OVER THESE STATES. THIS ASCENT
SPREADING ACROSS LOW LEVEL MOISTENING AND INCREASING LOW LEVEL
FRONTOGENESIS NEWD FROM SURFACE LOW THROUGH WRN NEB/WRN SD SHOULD
RESULT IN CONVECTIVE DEVELOPMENT THIS EVENING/OVERNIGHT. ALTHOUGH
SURFACE DEWPOINTS WILL BE CLOSE TO 50 F...AT BEST...STEEP MID LEVEL
LAPSE RATES ARE EXPECTED TO SUPPORT MUCAPE RANGING FROM 500-1000
J/KG...RESULTING IN A POTENTIAL FOR HAIL IN THE STRONGER STORMS.

...SRN PLAINS TO ERN DAKOTAS/WRN MN...
STRENGTHENING SLY LLJ ACROSS THE SRN/CENTRAL PLAINS AND MID MO
VALLEY WILL SUPPORT WAA FROM THESE AREAS INTO THE UPPER MIDWEST THIS
FORECAST PERIOD. THE WAA COMBINED WITH ASCENT ATTENDANT TO THE PAIR
OF LEAD MID LEVEL IMPULSES WILL MAINTAIN CONVECTIVE DEVELOPMENT WITH
EMBEDDED TSTMS OVERNIGHT. ALTHOUGH CLOUD LAYER SHEAR AROUND 40 KT
PER 00Z SOUNDING AT OMA WOULD BE SUPPORTIVE OF STORM ORGANIZATION...
WEAK INSTABILITY IS EXPECTED TO LIMIT THE DEVELOPMENT OF SEVERE
STORMS.

..PETERS.. 03/23/2009

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KVEF [230051]: Preliminary Local Storm Report

NWUS55 KVEF 230051
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
551 PM PDT SUN MAR 22 2009

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

0508 PM NON-TSTM WND GST MOSS BASIN RAWS 35.03N 113.89W
03/22/2009 M41 MPH MOHAVE AZ MESONET


&&

$$

JH

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KVEF [230032]: Preliminary Local Storm Report

NWUS55 KVEF 230032
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
532 PM PDT SUN MAR 22 2009

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

0441 PM NON-TSTM WND GST NEEDLES AIRPORT 34.77N 114.62W
03/22/2009 M46 MPH SAN BERNARDINO CA ASOS


&&

$$

JH

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KGJT [230013]: Preliminary Local Storm Report

NWUS55 KGJT 230013
LSRGJT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
612 PM MDT SUN MAR 22 2009

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

0540 PM NON-TSTM WND GST GRAND JUNCTION 39.09N 108.55W
03/22/2009 M62 MPH MESA CO ASOS


&&

$$

PF

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KBIS [222356]: Preliminary Local Storm Report

NWUS53 KBIS 222356
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
656 PM CDT SUN MAR 22 2009

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

0654 PM FLOOD LINTON 46.27N 100.23W
03/22/2009 EMMONS ND LAW ENFORCEMENT

HWY 83 IN LINTON UNDER WATER. TRAFFIC DETOURED EAST ON
HWY 13.


&&

$$

LLP

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KVEF [222353]: Preliminary Local Storm Report

NWUS55 KVEF 222353
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
453 PM PDT SUN MAR 22 2009

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

0414 PM NON-TSTM WND GST OPAL MOUNTAIN RAWS 35.15N 117.18W
03/22/2009 M60 MPH SAN BERNARDINO CA MESONET


&&

$$

JH

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KVEF [222352]: Preliminary Local Storm Report

NWUS55 KVEF 222352
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
451 PM PDT SUN MAR 22 2009

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

0412 PM NON-TSTM WND GST MOJAVE RIVER SINK 35.05N 116.08W
03/22/2009 M61 MPH SAN BERNARDINO CA MESONET

A 61 MPH WIND GUST RECORDED AT THE MOJAVE RIVER SINK RAWS
AT AN ELEVATION OF 950 FEET BETWEEN 312 PM AND 412 PM.


&&

$$

JH

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KBIS [222332]: Preliminary Local Storm Report

NWUS53 KBIS 222332
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
632 PM CDT SUN MAR 22 2009

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

0616 PM FLOOD HAZEN 47.29N 101.62W
03/22/2009 MERCER ND LAW ENFORCEMENT

A LARGE ICE JAM WAS REPORTED AT THE BRIDE SOUTH OF HAZEN.
HIGH WATER WAS REPORTED WITH ONE STRUCTURE DAMAGED IN
RURAL HAZEN. SOME RESIDENTS OF BEULAH BEING ADVISED OF
HIGH WATER. COUNTY ROADS 5, 13 AND 27 ARE WATER COVERED.


&&

$$

PJA

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KPIH [222326]: Preliminary Local Storm Report

NWUS55 KPIH 222326
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
525 PM MDT SUN MAR 22 2009

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

0100 PM TSTM WND DMG REXBURG 43.83N 111.79W
03/22/2009 MADISON ID BROADCAST MEDIA

THE KIFI TV-8 EVENING NEWS SHOWED VIDEO OF SHEET METAL
TORN FROM A SHED NEAR THE TOWN OF REXBURG. SOME MODERATE
SIZE BROKEN TREE LIMBS WERE ALSO IN THE VIDEO.


&&

$$

RSURVICK

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KMFR [222317]: Preliminary Local Storm Report

NWUS56 KMFR 222317
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
417 PM PDT SUN MAR 22 2009

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

0417 PM HAIL ESE MOUNT SHASTA 41.32N 122.31W
03/22/2009 E0.25 INCH SISKIYOU CA TRAINED SPOTTER

MOSTLY SNOWPELLETS BUT BRIEF TINY ICE PELLET SHOWER
OCCURRED AROUND 4PM BRIEFLY


&&

$$

BUNKER

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KPDT [222302]: Preliminary Local Storm Report

NWUS56 KPDT 222302
LSRPDT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OR
401 PM PDT SUN MAR 22 2009

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

0350 PM HAIL 1 NNW MILTON-FREEWATER 45.95N 118.40W
03/22/2009 E0.25 INCH UMATILLA OR TRAINED SPOTTER

CONTINUOUS PEA SIZED HAIL FOR 5 MINUTES WAS OBSERVED.
THUNDER WAS ALSO HEARD DURING THIS EVENT. YARD WAS
COVERED IN THE HAIL, BUT HAS SINCE TURNED TO RAIN.

0356 PM HAIL 5 W KENNEWICK 46.20N 119.27W
03/22/2009 E0.50 INCH BENTON WA CO-OP OBSERVER

HAIL REPORTED BY A COCORAHS OBSERVER WITH THE LARGEST
HAIL A HALF INCH AND THE AVERAGE HAIL SIZE AT A QUARTER
INCH. THE HAIL COVERED THE ENTIRE YARD.


&&

$$

RQB

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KSGX [222244]: Preliminary Local Storm Report

NWUS56 KSGX 222244
LSRSGX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN DIEGO CA
344 PM PDT SUN MAR 22 2009

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

1007 AM NON-TSTM WND DMG 11 SE INDIAN WELLS 33.59N 116.21W
03/22/2009 RIVERSIDE CA NWS EMPLOYEE

STRONG WINDS GUSTING TO 58 MPH AT THERMAL RESULTED IN
NUMEROUS DOWNED POWER POLES AND POWER LINES. POWER
OUTAGES WERE REPORTED THROUGHOUT THE COACHELLA VALLEY.


&&

$$

MOEDE

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KPIH [222234]: Preliminary Local Storm Report

NWUS55 KPIH 222234
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
434 PM MDT SUN MAR 22 2009

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

0200 PM SNOW AMERICAN FALLS 42.78N 112.85W
03/22/2009 E1.0 INCH POWER ID TRAINED SPOTTER

RAIN CHANGED TO SNOW AND THEN MELTED.


&&

$$

RSURVICK

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KVEF [222224]: Preliminary Local Storm Report

NWUS55 KVEF 222224
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
320 PM PDT SUN MAR 22 2009

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

0500 AM NON-TSTM WND GST 3 SSW INDEPENDENCE 36.76N 118.23W
03/22/2009 M66.00 MPH INYO CA MESONET

MEASURED AT SIERRA ROTORS SITE NUMBER 8...ELEVATION 4724
FEET.

0930 AM NON-TSTM WND GST N DESERT NWR RAWS 36.58N 115.14W
03/22/2009 M73.00 MPH CLARK NV MESONET

MEASURED AT DESERT NATIONAL WILDLIFE REFUGE...ELEVATION
7120 FEET.

1058 AM NON-TSTM WND GST SSE LANDERS (AR190) 34.22N 116.41W
03/22/2009 M40.00 MPH SAN BERNARDINO CA TRAINED SPOTTER

BLOWING DUST WAS OBSERVED.

0114 PM NON-TSTM WND GST S FIVE MILE RAWS 35.87N 117.92W
03/22/2009 M54.00 MPH INYO CA MESONET

MEASURED AT FIVE MILE RAWS...ELEVATION 4150 FEET.

0147 PM NON-TSTM WND GST N BULLHEAD CITY 35.16N 114.56W
03/22/2009 M40.00 MPH MOHAVE AZ MESONET

MEASURED AT LAUGHLIN BULLHEAD INTERNATIONAL
AIRPORT...ELEVATION 696 FEET.

0151 PM NON-TSTM WND GST S SQUAW SPRINGS RAWS 35.37N 117.57W
03/22/2009 M71.00 MPH SAN BERNARDINO CA MESONET

MEASURED AT SQUAW SPRINGS MESONET SITE...ELEVATION 3620
FEET.

0247 PM NON-TSTM WND GST 4 E TWENTYNINE PALMS (K 34.12N 115.88W
03/22/2009 E40.00 MPH SAN BERNARDINO CA TRAINED SPOTTER

VISIBILITY DROPPED TO 2 MILES DUE TO BLOWING DUST.
REPORTED BY SPOTTER ID CA-167.


&&

$$

KLABELLE

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MESO: Mesoscale Discussion 0235

ACUS11 KWNS 222210
SWOMCD
SPC MCD 222210
SDZ000-NDZ000-MTZ000-222315-

MESOSCALE DISCUSSION 0235
NWS STORM PREDICTION CENTER NORMAN OK
0510 PM CDT SUN MAR 22 2009

AREAS AFFECTED...SWRN/WRN ND AND EXTREME NWRN SD

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 222210Z - 222315Z

NEAR SURFACE BASED THUNDERSTORMS POSING A THREAT FOR LARGE
HAIL/DAMAGING WINDS AND A BRIEF ISOLATED TORNADO ARE POSSIBLE OVER
SWRN/WRN ND AND EXTREME NWRN SD DURING THE NEXT SEVERAL HOURS. AS
STORMS MOVE NE...THEY SHOULD BECOME INCREASINGLY ELEVATED RESULTING
IN REDUCED STORM INTENSITY.

SUBJECTIVE SURFACE ANALYSIS AT 20Z PLACES A 993 MB LOW OVER SERN
MT...WITH SEVERAL COLD FRONTS EXTENDING W AND SW OF THE LOW...A
QUASI STATIONARY FRONTAL BOUNDARY EWD ACROSS THE ND/SD BORDER...AND
A TROUGH AXIS NORTH ALONG THE MT/ND BORDER. PRONOUNCED AXIS OF STEEP
0-3 KM LAPSE RATES EXTENDS NWD ALONG THE TROUGH AXIS...WHERE STRONG
DESTABILIZATION IS OCCURRING...FAVORING SURFACE/NEAR SURFACE BASED
THUNDERSTORM DEVELOPMENT. MODIFYING RUC PROXIMITY SOUNDINGS FOR
SURFACE TEMPERATURES IN THE UPR 60S/DEWPOINTS IN THE UPR 40S YIELDS
UP TO 300 J/KG OF MLCAPE. THUNDERSTORMS DEVELOPING OVER GOLDEN
VALLEY AND BILLINGS COUNTIES IN WRN ND WILL HAVE THE POTENTIAL TO
PRODUCE LARGE HAIL GIVEN THE STEEP MID LEVEL LAPSE RATE ENVIRONMENT
/AOA 8 C PER KM/ AND EFFECTIVE BULK SHEAR AOA 40 KT. DAMAGING WINDS
WILL ALSO BE POSSIBLE WITHIN THE DEEPLY MIXED BOUNDARY LAYER
AIRMASS. IN ADDITION...A BRIEF ISOLATED TORNADO IS NOT OUT OF THE
QUESTION GIVEN THE STRONG LOW LEVEL CYCLONIC VERTICAL VORTICITY AND
THE PRESENCE OF 50-100 J/KG OF 0-3 KM CAPE /PER RUC SFCOA FIELDS/.

NEWD STORM MOTION IS EXPECTED TO QUICKLY TAKE STORMS DEVELOPING OVER
WRN ND INTO AN INCREASINGLY STABLE ENVIRONMENT...FAVORING MORE
ELEVATED NATURE. LATEST VIS IMAGERY ALSO INDICATES TOWERING CU ARE
ATTEMPTING TO BACK BUILD INTO NWRN SD. HOWEVER...ENVIRONMENT IS LESS
UNSTABLE FARTHER SOUTH...WHICH MAY PRECLUDE INITIATION. GIVEN THE
BRIEF RESIDENCE TIME WITHIN NARROW WEDGE OF SURFACE BASED
INSTABILITY...A WATCH DOES NOT APPEAR WARRANTED AT THIS TIME.

..GARNER.. 03/22/2009

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

ATTN...WFO...BIS...UNR...GGW...

LAT...LON 47910395 47890389 47420334 46410267 45720273 45510315
45530374 45640396 46250381 46850388 47490405 47910395

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KMFR [222157]: Preliminary Local Storm Report

NWUS56 KMFR 222157
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
257 PM PDT SUN MAR 22 2009

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

0256 PM HEAVY RAIN 2 NNE SELMA 42.30N 123.59W
03/22/2009 M0.25 INCH JOSEPHINE OR TRAINED SPOTTER

24 HOUR ACCUMULATION


&&

$$

BUNKER

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KLOX [222125]: Preliminary Local Storm Report

NWUS56 KLOX 222125
LSRLOX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OXNARD CA
224 PM PDT SUN MAR 22 2009

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

1014 AM NON-TSTM WND GST 10 E SANTA BARBARA 34.43N 119.55W
03/22/2009 M69.00 MPH SANTA BARBARA CA MESONET

SUSTAINED WINDS OF 27 MPH WITH GUSTS TO 69 MPH OUT OF THE
NORTH MEASURED AT MONTECITO HILLS...AT 1500 FEET.

1245 PM NON-TSTM WND GST 1 NE POINT MUGU 34.10N 119.05W
03/22/2009 M63.00 MPH VENTURA CA MESONET

SUSTAINED WINDS OF 43 MPH WITH GUSTS TO 63 MPH OUT OF THE
WEST MEASURED AT LAGUNA PEAK...AT ELEVATION 1148 FEET.

0153 PM NON-TSTM WND GST 7 SE SANTA MONICA 33.94N 118.41W
03/22/2009 M49.00 MPH LOS ANGELES CA ASOS

SUSTAINED WINDS OF 39 MPH WITH GUSTS TO 49 MPH OUT OF THE
WEST MEASURED AT LOS ANGELES INTERNATIONAL AIRPORT...AT
ELEVATION 125 FEET.


&&

$$

MEIER

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 222002
SWODY1
SPC AC 221959

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0259 PM CDT SUN MAR 22 2009

VALID 222000Z - 231200Z

...NO SVR TSTM AREAS FORECAST...

...DAKOTAS AND NEBRASKA...
WATER VAPOR IMAGERY SHOWS A SOUTHWEST FLOW PATTERN IN PLACE ACROSS
THE SRN ROCKIES AND HIGH PLAINS WITH A DRY SLOT ADVANCING EWD ACROSS
THE CNTRL HIGH PLAINS WHERE A LEAD SHORTWAVE TROUGH IS LOCATED ATTM.
THIS FEATURE WILL MOVE EWD ACROSS CNTRL SD AND CNTRL NEB LATE THIS
AFTERNOON WITH THE THUNDERSTORMS ONGOING IN ERN SD GRADUALLY
BECOMING MORE VIGOROUS EXPANDING SWD INTO ERN NEB BY EARLY EVENING.

ALTHOUGH NOT MUCH INSTABILITY IS PRESENT ACROSS THE CNTRL PLAINS
ATTM...THE RUC AND OTHER SHORT-TERM MODELS RAPIDLY DEVELOP AN AXIS
OF INSTABILITY FROM CNTRL KS NWD INTO SE SD AS THE LOW-LEVEL JET
CRANKS UP THROUGH EARLY EVENING. IN RESPONSE...THE RUC DEVELOPS A
CLUSTER OF ELEVATED STORMS IN NE NEB AND SE SD BY 03Z. IN
ADDITION...THE NELIGH NEB SHOW 0-6 KM SHEAR OF 35 TO 40 KT. THIS
ENVIRONMENT SHOULD SUPPORT A HAIL THREAT. HOWEVER...FORECAST
SOUNDINGS WEAKEN VERTICAL SHEAR PROFILES WITH TIME THROUGH EARLY
EVENING. ALSO...A THERMAL RIDGE ALOFT IS PRESENT IN THE CNTRL
PLAINS. THESE TWO FACTORS COULD KEEP ANY THREAT MARGINAL THROUGH
EARLY EVENING.

DURING THE OVERNIGHT PERIOD...AN IMPRESSIVE UPPER-LEVEL TROUGH IS
FORECAST TO MOVE INTO THE SRN ROCKIES. THE EXIT REGION OF A 80 TO
100 KT MID-LEVEL JET ASSOCIATED WITH THE TROUGH WILL OVERSPREAD WRN
NEB AND WRN SD. SEVERAL MODELS DEVELOP ISOLATED THUNDERSTORMS IN
THIS AREA AROUND MIDNIGHT WHERE MODERATE VERTICAL SHEAR WILL BE IN
PLACE ALONG WITH MUCAPE VALUES IN THE 500 TO 1000 J/KG. IF STORMS
CAN DEVELOP IN THIS ENVIRONMENT...A HAIL THREAT SHOULD EXIST.
HOWEVER...UNCERTAINTY STILL EXISTS CONCERNING CONVECTIVE INITIATION.
IF STORMS CAN INITIATE THEN THE THREAT COULD CONTINUE THROUGH LATE
IN THE PERIOD.

...KANSAS/NW OKLAHOMA...
LATEST WATER VAPOR IMAGERY SHOWS A SUBTROPICAL PLUME OF MID-LEVEL
MOISTURE EXTENDING NEWD ACROSS WEST TX INTO OK AND KS. BENEATH THE
PLUME...THE RUC ANALYZES A 30 TO 40 KT JET OVER SCNTRL KS. THIS
FEATURE SHOULD STRENGTHEN THIS EVENING WITH ELEVATED INSTABILITY
INCREASING ALONG AN AXIS FROM NW OK EXTENDING NWD ACROSS WCNTRL KS.
ISOLATED THUNDERSTORMS MAY DEVELOP ALONG THIS AXIS OF INSTABILITY
EARLY THIS EVENING DUE TO WARM ADVECTION ASSOCIATED WITH THE
LOW-LEVEL JET. THE LAMONT OK AND HILLSBORO KS PROFILERS CURRENTLY
SHOW 30-35 KT OF 0-6 KM SHEAR AND THIS SHEAR MAY INCREASE SOME THIS
EVENING. THIS MAY BE SUFFICIENT FOR ISOLATED STRONG WIND GUSTS WITH
THE MORE-DEVELOPED LINE-SEGMENTS. HAIL WILL ALSO BE POSSIBLE WITH
THE THREAT PERSISTING EWD INTO SE NEB...ERN KS AND NRN OK OVERNIGHT
AS THE CONVECTION BECOMES ELEVATED AND INSTABILITY INCREASES.

...NRN UTAH/SERN ID/SW WY...
AN IMPRESSIVE UPPER-LEVEL TROUGH IS CURRENTLY LOCATED ACROSS CA AND
NV. THIS FEATURE WILL MOVE EWD ACROSS THE INTERMOUNTAIN WEST
THROUGH EARLY THIS EVENING. ISOLATED TO SCATTERED THUNDERSTORMS WILL
CONTINUE TO DEVELOP ACROSS THE REGION AS THE UPPER-LEVEL TROUGH
APPROACHES. STEEP MID-LEVEL LAPSE RATES...STRONG LARGE-SCALE ASCENT
AND STRONG VERTICAL SHEAR EVIDENT ON THE LATEST FORECAST SOUNDINGS
MAY SUPPORT A MARGINAL THREAT FOR HAIL OR STRONG WIND GUSTS LATE
THIS AFTERNOON.

..BROYLES.. 03/22/2009

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KEKA [221931]: Preliminary Local Storm Report

NWUS56 KEKA 221931
LSREKA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EUREKA CA
1231 PM PDT SUN MAR 22 2009

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

0635 PM HEAVY SNOW 10 N LAYTONVILLE 39.81N 123.48W
03/21/2009 U0.0 INCH MENDOCINO CA TRAINED SPOTTER

LELEVATION 3800 FEET HEAY SNOW JUST STARTING ON IRON PEAK
MOUNTAIN.

0715 PM TSTM WND GST GASQUET 41.85N 123.97W
03/21/2009 E0 MPH DEL NORTE CA PUBLIC

AT GASQUET...THUNDERSTORM JUST STARTING

0740 PM HAIL 4 W ETTERSBURG 40.12N 124.07W
03/21/2009 U0.25 INCH HUMBOLDT CA TRAINED SPOTTER

HEAVY HAIL/NO LIGUID PRECIP/TEMP 42 DEGREES

0305 AM SNOW FOREST GLEN 40.38N 123.32W
03/22/2009 M4.0 INCH TRINITY CA TRAINED SPOTTER

4 INCHES OVERNIGHT AT 3838 FEET

0312 AM SNOW GASQUET 41.85N 123.97W
03/22/2009 M1.0 INCH DEL NORTE CA PUBLIC

SNOWING WITH BIG FLAKES...1/2 INCH MILE FROM GASQUET
RANGER STATION

0312 AM SNOW GASQUET 41.85N 123.97W
03/22/2009 U0.0 INCH DEL NORTE CA PUBLIC

CONTINUE LIGHT SNOW ELEVATION 400-800 FEET.

0312 AM SNOW 1 W GASQUET 41.85N 123.98W
03/22/2009 U0.0 INCH DEL NORTE CA TRAINED SPOTTER

SNOW ON GROUND...TEMP 33 DEGREES. ONLY A TRACE. 300 FEET.


0312 AM SNOW 5 NNW GUALALA 38.84N 123.57W
03/22/2009 M1.0 INCH MENDOCINO CA TRAINED SPOTTER

ACTUALLY CLOSER TO PT ARENA...HAIL SHOWER...B B SIZE

0722 AM SNOW FOREST GLEN 40.38N 123.32W
03/22/2009 M5.0 INCH TRINITY CA TRAINED SPOTTER

5 INCHES ON GOU8RND AT 3838 FEET. TEMP 30 DEGREES.

0751 AM HAIL GUALALA 38.77N 123.53W
03/22/2009 E0.25 INCH MENDOCINO CA TRAINED SPOTTER

TRAINED SPOTTER M11 AT 600FT SMALL HAIL.

0751 AM SNOW GASQUET 41.85N 123.97W
03/22/2009 M1.0 INCH DEL NORTE CA PUBLIC

ELEVATION 300-400 FEET BETWEEN 2-4AM SNOW ACCUM1/2
INCH...CURRENTLY RAIN/SNOW MIX WITH SNOW MELTING. TEMP 34
DEGRES.

0759 AM SNOW CARLOTTA 40.53N 124.05W
03/22/2009 U0.0 INCH HUMBOLDT CA TRAINED SPOTTER

LIGHT SNOW...NO ACCUM...TEMP 34 DEGREES

0816 AM SNOW MAPLE CREEK 40.77N 123.87W
03/22/2009 M6.0 INCH HUMBOLDT CA TRAINED SPOTTER

2500 FEET...6 TO 6 1/2 FELL OVERNIGHT

0831 AM SNOW 10 N LAYTONVILLE 39.81N 123.48W
03/22/2009 M4.0 INCH MENDOCINO CA TRAINED SPOTTER

AT 3800 FEET ON IRON PEAK MTN...4 INCHES ON GROUND.

0822 AM SNOW 4 NNW WILLITS 39.44N 123.38W
03/22/2009 M1.0 INCH MENDOCINO CA TRAINED SPOTTER

AT 2400 FEET 1.5 INCHES OF SNOW OVERNIGHT.

0920 AM SNOW BLOCKSBURG 40.28N 123.63W
03/22/2009 M4.0 INCH HUMBOLDT CA TRAINED SPOTTER

2250 FEET...4 INCHES ON GROUND...LIGHTLY SNOWING NOW WITH
TEMP OF 32 DEGREES.

0922 AM SNOW 2 NW BLUE LAKE 40.90N 124.02W
03/22/2009 U0.0 INCH HUMBOLDT CA TRAINED SPOTTER

800 DOWN TO 500 FEET ON LIPSCOM HILL LIGHT FINE SNOW AND
1/4 SLEET ON GROUND. TEMP 33 DEGREES

0922 AM SNOW 8 S KNEELAND 40.63N 123.98W
03/22/2009 M5.0 INCH HUMBOLDT CA TRAINED SPOTTER

BETWEEN KNEELAND AND BRIDGEVILLE AT 2430 FEET...3
INCHES...AT 2634 FEET 5 INCHES.


&&

$$

ASHFORD

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KREV [221843]: Preliminary Local Storm Report...summary

NWUS55 KREV 221843
LSRREV

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE RENO NV
1143 AM PDT SUN MAR 22 2009

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

0530 AM HEAVY SNOW INCLINE VILLAGE 39.25N 119.96W
03/22/2009 M16.0 INCH WASHOE NV PUBLIC

8 TO 16 INCHES IN LAST 24 HOURS AT DIAMOND PEAK SKI AREA.


0530 AM HEAVY SNOW SIERRA-AT-TAHOE SKI ARE 38.80N 120.08W
03/22/2009 M16.0 INCH EL DORADO CA PUBLIC

11 TO 16 INCHES NEW SNOW IN THE LAST 24 HOURS.

0600 AM HEAVY SNOW SQUAW VALLEY 39.20N 120.22W
03/22/2009 M14.0 INCH PLACER CA PUBLIC

12-14 INCHES NEW SNOW SINCE 3 PM YESTERDAY AT 8200 FEET,
1.02 INCHES LIQUID. 9-10 INCHES AT 6200 FEET.

0600 AM HEAVY SNOW ALPINE MEADOWS 39.17N 120.22W
03/22/2009 M16.0 INCH PLACER CA MESONET

NEW SNOW SINCE 3PM YESTERDAY AT 6800 FEET, 0.93 INCHES
LIQUID EQUIVALENT. 22 INCHES MEASURED ON UPPER PORTION OF
MOUNTAIN.

0603 AM HEAVY SNOW 3 NW TRUCKEE 39.36N 120.24W
03/22/2009 M15.0 INCH NEVADA CA PUBLIC

12 TO 15 INCHES OF NEW SNOW IN LAST 24 HOURS AT TAHOE
DONNER SKI AREA.

0619 AM HEAVY SNOW SODA SPRINGS 39.32N 120.38W
03/22/2009 M18.0 INCH NEVADA CA PUBLIC

13 TO 18 INCHES OF NEW SNOW IN LAST 24 HOURS AT SODA
SPRINGS SKI AREA.

0620 AM HEAVY SNOW MOUNT ROSE SKI AREA 39.33N 119.89W
03/22/2009 M12.0 INCH WASHOE NV PUBLIC

8 TO 12 INCHES IN THE LAST 12 HOURS.

0620 AM HEAVY SNOW 5 W TRUCKEE 39.33N 120.30W
03/22/2009 M18.0 INCH NEVADA CA PUBLIC

18 INCHES NEW SNOW IN LAST 24 HOURS AT BOREAL SKI AREA.

0622 AM HEAVY SNOW HOMEWOOD 39.08N 120.16W
03/22/2009 M16.0 INCH PLACER CA PUBLIC

10 TO 16 INCHES NEW SNOW SINCE YESTERDAY.

0630 AM HEAVY SNOW 3 S TRUCKEE 39.28N 120.20W
03/22/2009 M13.0 INCH PLACER CA PUBLIC

11-13 INCHES NEW SNOW SINCE YESTERDAY.

0753 AM HEAVY SNOW 1 NE INCLINE VILLAGE 39.26N 119.94W
03/22/2009 M8.5 INCH WASHOE NV TRAINED SPOTTER

TOTAL SNOW SINCE 5 PM SATURDAY AT 6700 FEET. SNOW FELL
EVENLY ON PAVED/UNPAVED SURFACES.

0807 AM SNOW 2 SSE CARSON CITY 39.15N 119.76W
03/22/2009 M3.8 INCH CARSON CITY NV TRAINED SPOTTER

TOTAL SNOW AT 4600 FEET. SNOW ACCUMULATED ON UNPAVED
SURFACES WITH MAINLY WET ROADS. SNOW WATER EQUIVALENT
0.21 INCH.

0811 AM HEAVY SNOW 1 WNW MAMMOTH LAKES 37.65N 118.98W
03/22/2009 M15.5 INCH MONO CA TRAINED SPOTTER

TOTAL SNOW SO FAR SINCE SATURDAY AFTERNOON AT 8200 FEET.
STILL SNOWING MDT-HVY AT 8 AM.

0811 AM HEAVY SNOW 4 W PROSSER CREEK RESER 39.37N 120.25W
03/22/2009 M12.0 INCH NEVADA CA TRAINED SPOTTER

TOTAL SNOW SINCE SATURDAY EVENING AT TAHOE-DONNER AT 6500
FEET. CURRENTLY VERY LIGHT SNOW.

0849 AM HEAVY SNOW HOMEWOOD 39.08N 120.16W
03/22/2009 M16.0 INCH PLACER CA PUBLIC

10-16 INCHES OF SNOW AT HOMEWOOD SKI RESORT SINCE
SATURDAY AFTERNON.

0849 AM HEAVY SNOW 5 SW SOUTH LAKE TAHOE 38.89N 120.05W
03/22/2009 M19.0 INCH EL DORADO CA PUBLIC

12-19 INCHES OF NEW SNOW SINCE SATURDAY AFTERNOON AT
SIERRA-AT-TAHOE SKI RESORT.

0849 AM HEAVY SNOW SQUAW VALLEY 39.20N 120.22W
03/22/2009 M16.0 INCH PLACER CA PUBLIC

TOTAL SNOW SINCE SATURDAY AFTERNOON AT SQUAW VALLEY SKI
RESORT. 10-12 INCHES AT 6200 FEET AND 14-16 INCHES AT
8200 FEET.

0849 AM HEAVY SNOW NORTHSTAR 39.28N 120.12W
03/22/2009 M13.5 INCH PLACER CA PUBLIC

11-13.5 INCHES OF SNOW SINCE SATURDAY AFTERNOON AT
NORTHSTAR SKI RESORT.

0849 AM HEAVY SNOW ALPINE MEADOWS 39.17N 120.22W
03/22/2009 M24.0 INCH PLACER CA PUBLIC

17-24 INCHES OF SNOW SINCE SATURDAY AFTERNOON AT ALPINE
MEADOWS SKI RESORT.

0849 AM HEAVY SNOW MOUNT ROSE SKI AREA 39.33N 119.89W
03/22/2009 M15.0 INCH WASHOE NV PUBLIC

12-15 INCHES OF SNOW SINCE SATURDAY AFTERNOON.

0849 AM HEAVY SNOW HEAVENLY VALLEY 38.96N 119.89W
03/22/2009 M23.0 INCH DOUGLAS NV PUBLIC

16-23 INCHES OF SNOW AT HEAVENLY SKI RESORT SINCE
SATURDAY AFTERNOON.

0920 AM HEAVY SNOW 1 NNW MEEKS BAY 39.06N 120.14W
03/22/2009 M13.0 INCH PLACER CA TRAINED SPOTTER

TOTAL SNOW SINCE 5 PM SATURDAY AT TAHOMA AT 6340 FEET.
CURRENTLY JUST LIGHT SNOW.

1011 AM HEAVY SNOW 1 SSW SOUTH LAKE TAHOE 38.93N 119.99W
03/22/2009 E12.0 INCH EL DORADO CA TRAINED SPOTTER

TOTAL OVERNIGHT SNOW ESTIMATED 10-12 INCHES AT CAMP
RICHARDSON AT 6230 FEET.

1011 AM SNOW 3 SSW SOUTH LAKE TAHOE 38.90N 120.01W
03/22/2009 E6.0 INCH EL DORADO CA TRAINED SPOTTER

TOTAL SNOW ESTIMATE 6 INCHES. CURRENTLY LIGHT SNOW.

1025 AM HEAVY SNOW 5 SW SOUTH LAKE TAHOE 38.88N 120.03W
03/22/2009 M16.0 INCH EL DORADO CA TRAINED SPOTTER

TOTAL SNOW SINCE SATURDAY NIGHT, MEASURED 16 INCHES AT
6400 FEET. CURRENTLY LIGHT SNOW.

1030 AM SNOW 3 WNW CARSON CITY 39.19N 119.81W
03/22/2009 E6.0 INCH CARSON CITY NV TRAINED SPOTTER

TOTAL SNOW AT 5280 FEET SINCE SATURDAY NIGHT IS ESTIMATED
AT 5-6 INCHES. LITTLE SNOW ON GROUND DRIVING NORTH ON
HIWAY 395 TOWARD RENO, NV.

1030 AM HEAVY SNOW 4 WSW PROSSER CREEK RES 39.35N 120.24W
03/22/2009 E18.0 INCH NEVADA CA TRAINED SPOTTER

TOTAL SNOW SINCE SATURDAY NIGHT AT 6600 FEET WAS
ESTIMATED 18 INCHES. CURRENTLY LIGHT SNOW.

1030 AM HEAVY SNOW 3 SSE SOUTH LAKE TAHOE 38.90N 119.96W
03/22/2009 M10.5 INCH EL DORADO CA TRAINED SPOTTER

TOTAL SNOW FALL IS 10.5 INCHES SINCE SATURDAY NIGHT. SNOW
IS COMPACTING AND MELTING FAST SO IT COULD HAVE BEEN MORE
PRIOR TO MEASUREMENT AT 1030AM. CURRENTLY PARTLY CLOUDY
AND NOT SNOWING.

1030 AM HEAVY SNOW 3 S BOCA RESERVOIR 39.36N 120.10W
03/22/2009 M10.5 INCH NEVADA CA TRAINED SPOTTER

TOTAL SNOW SINCE SATURDAY NIGHT MEASURED AVERAGE SNOW AT
10.5 INCHES.

1030 AM HEAVY SNOW 3 ENE ALPINE MEADOWS 39.18N 120.16W
03/22/2009 E18.0 INCH PLACER CA TRAINED SPOTTER

TOTAL SNOW FALL SINCE SATURDAY NIGHT WAS ESTIMATED AT
16-18 INCHES AT 7000 FEET. CURRENTLY LIGHT SNOW, BROKEN
CLOUDS AND 23F.

1037 AM HEAVY SNOW 3 SE ALPINE MEADOWS 39.14N 120.18W
03/22/2009 M25.0 INCH PLACER CA TRAINED SPOTTER

TOTAL SNOW FALL AT 6800 FEET WAS 25 INCHES AT 1037 AM. 17
INCHES REPORTED AT 0530 AM WITH 1.89 INCHES WATER
EQUIVALENT WITH ADDITIONAL 5 INCHES MORE SNOW BRINGING
TOTAL TO SNOW TO 25 INCHES. CURRENTLY LIGHT SNOW.


&&

$$

JKIELHOR

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KMFR [221837]: Preliminary Local Storm Report

NWUS56 KMFR 221837
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
1137 AM PDT SUN MAR 22 2009

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

1136 AM HAIL 9 E ROSEBURG 43.21N 123.18W
03/22/2009 U0.25 INCH DOUGLAS OR TRAINED SPOTTER

BRIEF 10 MINUTE SHOWER WHICH STARTED 1125 AM AND HAS
BEGUN TO DECREASE.


&&

$$

BUNKER

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 221730
SWODY2
SPC AC 221728

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1228 PM CDT SUN MAR 22 2009

VALID 231200Z - 241200Z

...THERE IS A MDT RISK OF SVR TSTMS ACROSS PARTS OF ERN KS...NRN
OK...CNTRL OK...

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE GREAT
PLAINS AND UPPER MIDWEST...

...NEBRASKA AND SOUTH DAKOTA...
A WELL-DEVELOPED UPPER-LEVEL TROUGH OVER THE FOUR CORNERS REGION
WILL CLOSE-OFF TONIGHT ACROSS COLORADO AND MOVE QUICKLY ENEWD INTO
CNTRL HIGH PLAINS MONDAY. AHEAD OF THE SYSTEM...A BROAD 50 TO 65 KT
LOW-LEVEL JET WILL BE IN PLACE FROM THE SRN PLAINS EXTENDING NWD
INTO THE MID-MO RIVER VALLEY. ELEVATED WARM ADVECTION THUNDERSTORMS
WITH SOME MARGINALLY SEVERE HAIL SHOULD BE ONGOING AT THE BEGINNING
OF THE PERIOD FROM WRN IA AND ERN NEB SSWWD ACROSS ERN KS INTO NRN
OK. AS THE UPPER-LEVEL SYSTEM APPROACHES THE GREAT PLAINS...A
POWERFUL 80 TO 100 KT MID-LEVEL JET WILL ROUND THE BASE OF THE
TROUGH AND EJECT NEWD INTO THE CNTRL PLAINS. THE LEFT EXIT REGION OF
THE JET ALONG WITH A PLUME OF STEEP MID-LEVEL LAPSE RATES IS
FORECAST TO SPREAD ACROSS NEBRASKA EARLY IN THE PERIOD. IN
RESPONSE...THE MODELS ARE IN GOOD AGREEMENT...DEVELOPING A
CONCENTRATED CLUSTER OF THUNDERSTORMS ACROSS WRN SD AND NW NEB
MONDAY MORNING. THIS ACTIVITY SHOULD SPREAD ENEWD INTO ERN SD BY
EARLY AFTERNOON EXPANDING SWD WITH TIME ACROSS NCNTRL AND ERN NEB.

AHEAD OF THE UPPER-LEVEL LOW...LARGE-SCALE ASCENT WILL BE QUITE
STRONG ACROSS THE WRN HALF OF NEB INTO SRN SD MONDAY MORNING.
FORECAST SOUNDINGS IN THIS AREA AT 15Z MONDAY SHOW STRONG VERTICAL
SHEAR /0-6 KM SHEAR OF 50-60 KT/ AND 850 TO 500 MB LAPSE RATES
AROUND 8.0 C/KM. THIS ALONG WITH THE STRONG LARGE-SCALE ASCENT
SHOULD BE SUPPORTIVE OF ISOLATED SUPERCELLS WITH HAIL. AS THE
COMPLEX MOVES NEWD INTO ERN SD AND DEVELOPS SWD ACROSS ERN NEB
MONDAY AFTERNOON...LARGE HAIL AND DAMAGING WINDS WILL BE POSSIBLE. A
FEW TORNADOES WILL ALSO BE POSSIBLE ESPECIALLY IF THE CONVECTION CAN
REMAIN DISCRETE.

...OKLAHOMA/KANSAS/NORTH TEXAS...
A WELL-DEVELOPED UPPER-LEVEL TROUGH OVER THE DESERT SOUTHWEST SUNDAY
NIGHT WILL MOVE INTO THE SRN ROCKIES MONDAY WITH SOUTHWEST FLOW IN
PLACE ACROSS THE SRN AND CNTRL PLAINS. AN IMPRESSIVE 80 TO 100 KT
MID-LEVEL JET WILL EJECT ENEWD ACROSS THE CNTRL PLAINS. SOUTH OF THE
AXIS OF THE JET...CONVECTION SHOULD NOT INITIATE THROUGH MUCH OF
MONDAY AFTERNOON DUE TO A CAPPING INVERSION. MODEL FORECASTS ARE IN
GOOD AGREEMENT WEAKENING THE CAP AND RAPIDLY INITIATING STORMS
BETWEEN 21Z AND 00Z ALONG THE INTERSTATE-35 CORRIDOR IN ERN KS WITH
THE CONVECTION DEVELOPING SSWWD INTO NRN AND CNTRL OK DURING THE
EARLY EVENING. DUE TO THE STRENGTH OF THE UPPER-LEVEL TROUGH AND
POSITION OF THE INSTABILITY AXIS...THERE IS SUBSTANTIAL CERTAINTY
THAT A LARGE AMOUNT OF THUNDERSTORMS WILL DEVELOP FROM NNE TO SSW
ACROSS THE REGION DURING THE EARLY TO MID-EVENING.

AS THE MID-LEVEL JET EJECTS ENEWD ACROSS THE CNTRL PLAINS...VERTICAL
SHEAR PROFILES WILL STRENGTHEN ACROSS THE SRN AND CNTRL PLAINS. BY
00Z TUESDAY...FORECAST SOUNDINGS SHOW 0-6 KM SHEAR VALUES RANGING
FROM AROUND 50 KT IN NCNTRL KS TO ABOUT 75 KT IN SRN OK. IN
ADDITION...MID-LEVEL LAPSE RATES WILL BE QUITE STEEP ALONG THE
INSTABILITY AXIS. THIS COMBINED WITH THE STRONG VERTICAL SHEAR
SHOULD BE FAVORABLE FOR SUPERCELLS WITH LARGE HAIL. THE MOST INTENSE
STORMS COULD PRODUCE VERY LARGE HAIL FROM SE KS SSWWD ACROSS WCNTRL
OK WITH ISOLATED LARGE HAIL ALSO POSSIBLE IN NORTH TX. IN
ADDITION...FORECAST SOUNDINGS BY EARLY EVENING ACROSS CNTRL OK AND
SRN KS SHOW 0-1 KM SHEAR VALUES IN THE 30 TO 40 KT RANGE SUGGESTING
TORNADOES WILL BE POSSIBLE WITH THE MORE ORGANIZED STORMS. A FEW
STRONG TORNADOES WILL BE POSSIBLE ALONG THE INTERSTATE-35 CORRIDOR
ESPECIALLY IF SUPERCELLS CAN REMAIN DISCRETE THROUGH THE EARLY
EVENING. IF A SQUALL-LINE RAPIDLY DEVELOPS BY EARLY EVENING...THEN
THE DOMINATE SEVERE THREATS WOULD LIKELY BE HAIL AND WIND DAMAGE.
ALTHOUGH UNCERTAINTY STILL EXISTS CONCERNING STORM MODE...THE
POTENTIAL FOR A CONCENTRATED AREA FOR SEVERE CONVECTION WARRANTS A
MODERATE RISK FROM ERN KS SSWWD ACROSS NRN AND CNTRL OK.

..BROYLES.. 03/22/2009

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KMFR [221724]: Preliminary Local Storm Report

NWUS56 KMFR 221724
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
1024 AM PDT SUN MAR 22 2009

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

0700 AM SNOW 11 SSE SPRAGUE RIVER 42.30N 121.41W
03/22/2009 M2.5 INCH KLAMATH OR TRAINED SPOTTER

12 HR TOTAL ENDING 7 AM


&&

$$

STAVISH

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KBIS [221646]: Preliminary Local Storm Report

NWUS53 KBIS 221646
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1146 AM CDT SUN MAR 22 2009

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

1135 AM TSTM WND GST LONG LAKE 45.86N 99.21W
03/22/2009 M67 MPH MCPHERSON SD MESONET


&&

$$

NHEINERT

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 221619
SWODY1
SPC AC 221616

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1116 AM CDT SUN MAR 22 2009

VALID 221630Z - 231200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
INTENSE/COLD TROUGH AND ASSOCIATED VERY STRONG POLAR JET MAX
CURRENTLY MOVING EWD THRU CA BY 12Z MON WILL BE ENTERING CENTRAL
HIGH PLAINS. COMPLEX SURFACE PATTERN AS LOW CENTER OVER SERN MT
REFLECTING LEAD S/WV TROUGH NOW LIFTING NEWD INTO NRN PLAINS WILL
REDEVELOP SWD IN LEE TROUGH TONIGHT WHERE STRONG CYCLOGENESIS WILL
BE UNDERWAY CENTRAL HIGH PLAINS.

WHILE GULF MOISTURE STILL LIMITED THE COMBINATION OF STEEP MID LEVEL
LAPSE RATES AND WARM ADVECTION ASSOCIATED WITH 50KT LLJ THRU THE
PLAINS WILL SUPPORT LARGE AREA OF MDT/STG CONVECTION WITH HAIL
POTENTIAL.

...NRN/CENTRAL PLAINS...
WITH MID LEVEL LAPSE RATES IN EXCESS OF 8C/KM MUCH OF AREA FROM KS
NWD THRU THE DAKOTAS ALONG WITH THE LARGE SCALE ASCENT ASSOCIATED
WITH BOTH WARM ADVECTION AND S/WV LIFTING NEWD FROM THE
ROCKIES...THE ONLY LIMITING PARAMETER PRECLUDING AN UPGRADE IN THE
SEVERE THREAT IS THE INSTABILITY. WITH MUCAPES ABOVE THE STRONG
WARM FRONTAL INVERSION EXPECTED TO REMAIN GENERALLY LESS THAN 500
J/KG...HAIL WHICH WILL BE COMMON IN STRONGEST UPDRAFTS SHOULD MOSTLY
REMAIN ONLY MARGINALLY SEVERE. MODELS IN BASIC AGREEMENT THAT
THUNDERSTORMS WILL CONTINUE TO EXPAND IN AREAL COVERAGE IN THE WARM
ADVECTION ZONE ASSOCIATED WITH LOW LEVEL JET AND SHIFT GRADUALLY EWD
ACROSS DAKOTAS/NEB INTO WRN MN/IA DURING THE AFTERNOON.

THERE IS SOME POTENTIAL FOR NEAR SURFACE BASED CONVECTIVE
DEVELOPMENT LATER THIS AFTERNOON PORTIONS OF SD/NE GIVEN SUFFICIENT
HEATING. IF THIS OCCURS THEN GREATER INSTABILITY WILL BE AVAILABLE
FOR THUNDERSTORMS AND A POTENTIAL UPGRADE TO A SLIGHT RISK IN 20Z
OUTLOOK MAY BE REQUIRED.

OVER THE CNTRL HI PLNS EARLY MON...EXPECT STORMS TO FORM ON
LEADING EDGE OF STRONG ASCENT/DPVA ASSOCIATED WITH GRT BASIN TROUGH.
COMBINATION OF ASSOCIATED DESTABILIZATION ALOFT...LOW LVL
CONVERGENCE N-NE OF DEEPENING NE CO SFC LOW...AND FRONTOGENETIC
FORCING MAY SUPPORT A LINE OF STRONG TO POSSIBLY SVR STORMS LATE IN
THE PERIOD OVER SW SD AND WRN/NRN NEB SE INTO NW KS. STEEPENING MID
LVL LAPSE RATES WILL BOOST MUCAPE TO AOA 1000 J/KG...ALTHOUGH
TEMPORAL BACKING OF LOW TO MID TROPOSPHERIC FLOW SUGGESTS STORMS
WILL QUICKLY ASSUME A LINEAR ORGANIZATION.
ATTM IT APPEARS THAT GREATEST BLOSSOMING OF STORMS WILL OCCUR JUST
AFTER 12Z. BUT IF IT APPEARS THAT GRT BASIN VORT WILL PROGRESS MORE
RAPIDLY THAN NOW EXPECTED...A CATEGORICAL SLIGHT RISK MAY
ALSO BE REQUIRED.

...PORTIONS OF NRN INTERMOUNTAIN REGION...
COLD FRONT IS INTENSIFYING FROM JUST E OF BYI SWD ALONG NV/UT BORDER
THIS AM AS UPSTREAM CA TROUGH MOVES RAPIDLY EWD. STEEP LAPSE RATES
IN ADVANCE OF THE FRONT COMBINED WITH OROGRAPHIC ENHANCEMENT SHOULD
RESULT IN THUNDERSTORMS DEVELOPING ALONG AND JUST W OF FRONT BY
EARLY THIS AFTERNOON. WHILE MLCAPES EXPECTED TO BE NO GREATER THAN A
COUPLE HUNDRED J/KG...SOME HAIL AND GUSTY WINDS ARE
EXPECTED...PARTICULARLY ALONG THE WASATCH FRONT WITH THE FROPA.

..HALES/HURLBUT.. 03/22/2009

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KFSD [221614]: Preliminary Local Storm Report...corrected

NWUS53 KFSD 221614
LSRFSD

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1114 AM CDT SUN MAR 22 2009

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

1020 AM HAIL WOONSOCKET 44.05N 98.27W
03/22/2009 E0.75 INCH SANBORN SD TRAINED SPOTTER


&&

$$

DMORIN

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KREV [221601]: Preliminary Local Storm Report

NWUS55 KREV 221601
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
900 AM PDT SUN MAR 22 2009

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

0753 AM HEAVY SNOW 1 NE INCLINE VILLAGE 39.26N 119.94W
03/22/2009 M8.5 INCH WASHOE NV TRAINED SPOTTER

TOTAL SNOW SINCE 5 PM SATURDAY AT 6700 FEET. SNOW FELL
EVENLY ON PAVED/UNPAVED SURFACES.

0807 AM SNOW 2 SSE CARSON CITY 39.15N 119.76W
03/22/2009 M3.8 INCH CARSON CITY NV TRAINED SPOTTER

TOTAL SNOW AT 4600 FEET. SNOW ACCUMULATED ON UNPAVED
SURFACES WITH MAINLY WET ROADS. SNOW WATER EQUIVALENT
0.21 INCH.

0811 AM HEAVY SNOW 4 W PROSSER CREEK RESER 39.37N 120.25W
03/22/2009 M12.0 INCH NEVADA CA TRAINED SPOTTER

TOTAL SNOW SINCE SATURDAY EVENING AT TAHOE-DONNER AT 6500
FEET. CURRENTLY VERY LIGHT SNOW.

0811 AM HEAVY SNOW 1 WNW MAMMOTH LAKES 37.65N 118.98W
03/22/2009 M15.5 INCH MONO CA TRAINED SPOTTER

TOTAL SNOW SO FAR SINCE SATURDAY AFTERNOON AT 8200 FEET.
STILL SNOWING MDT-HVY AT 8 AM.

0849 AM HEAVY SNOW MOUNT ROSE SKI AREA 39.33N 119.89W
03/22/2009 M15.0 INCH WASHOE NV PUBLIC

12-15 INCHES OF SNOW SINCE SATURDAY AFTERNOON.

0849 AM HEAVY SNOW HEAVENLY VALLEY 38.96N 119.89W
03/22/2009 M23.0 INCH DOUGLAS NV PUBLIC

16-23 INCHES OF SNOW AT HEAVENLY SKI RESORT SINCE
SATURDAY AFTERNOON.

0849 AM HEAVY SNOW ALPINE MEADOWS 39.17N 120.22W
03/22/2009 M24.0 INCH PLACER CA PUBLIC

17-24 INCHES OF SNOW SINCE SATURDAY AFTERNOON AT ALPINE
MEADOWS SKI RESORT.

0849 AM HEAVY SNOW NORTHSTAR 39.28N 120.12W
03/22/2009 M13.5 INCH PLACER CA PUBLIC

11-13.5 INCHES OF SNOW SINCE SATURDAY AFTERNOON AT
NORTHSTAR SKI RESORT.

0849 AM HEAVY SNOW SQUAW VALLEY 39.20N 120.22W
03/22/2009 M16.0 INCH PLACER CA PUBLIC

TOTAL SNOW SINCE SATURDAY AFTERNOON AT SQUAW VALLEY SKI
RESORT. 10-12 INCHES AT 6200 FEET AND 14-16 INCHES AT
8200 FEET.

0849 AM HEAVY SNOW 5 SW SOUTH LAKE TAHOE 38.89N 120.05W
03/22/2009 M19.0 INCH EL DORADO CA PUBLIC

12-19 INCHES OF NEW SNOW SINCE SATURDAY AFTERNOON AT
SIERRA-AT-TAHOE SKI RESORT.

0849 AM HEAVY SNOW HOMEWOOD 39.08N 120.16W
03/22/2009 M16.0 INCH PLACER CA PUBLIC

10-16 INCHES OF SNOW AT HOMEWOOD SKI RESORT SINCE
SATURDAY AFTERNON.


&&

$$

GMCGUIRE

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KFSD [221536]: Preliminary Local Storm Report

NWUS53 KFSD 221536
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1036 AM CDT SUN MAR 22 2009

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

1020 AM HAIL WOONSOCKET 44.01N 96.10W
03/22/2009 E0.75 INCH PIPESTONE MN TRAINED SPOTTER


&&

$$

DMORIN

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KABR [221532]: Preliminary Local Storm Report

NWUS53 KABR 221532
LSRABR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1032 AM CDT SUN MAR 22 2009

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

1020 AM HAIL 2 SW POLLOCK 45.88N 100.32W
03/22/2009 E0.88 INCH CAMPBELL SD PUBLIC

REPORT FROM WEST POLLOCK RESORT.


&&

$$

JRS

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KBIS [221530]: Preliminary Local Storm Report

NWUS53 KBIS 221530
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1030 AM CDT SUN MAR 22 2009

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

0822 AM FLOOD 2 S WATFORD CITY 47.77N 103.28W
03/22/2009 MCKENZIE ND EMERGENCY MNGR

CHERRY CREECK ON THE SOUTH SIDE OF CITY OUTSKIRTS IS
FLOODED. TOURIST PARK UNDER WATER. SANDBAGGING ONGOING IN
CITY. AT LEAST ONE HOME FLOODED WITH POTENTIAL FOR 6 MORE
THIS MORNING IF RISE CONTINUES.


&&

$$

SCHECK

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KMFR [221505]: Preliminary Local Storm Report

NWUS56 KMFR 221505
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
805 AM PDT SUN MAR 22 2009

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

0804 AM HEAVY RAIN 5 NNW BROOKINGS 42.12N 124.32W
03/22/2009 M1.50 INCH CURRY OR TRAINED SPOTTER

24 HRS ENDING 8 AM


&&

$$

STAVISH

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KBIS [221501]: Preliminary Local Storm Report

NWUS53 KBIS 221501
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1001 AM CDT SUN MAR 22 2009

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

0936 AM TSTM WND GST MINOT AIR FORCE BASE 48.42N 101.36W
03/22/2009 M60 MPH WARD ND ASOS


&&

$$

NHEINERT

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KFSD [221457]: Preliminary Local Storm Report

NWUS53 KFSD 221457
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
957 AM CDT SUN MAR 22 2009

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

0945 AM HAIL 11 W LETCHER 43.90N 98.36W
03/22/2009 E0.88 INCH AURORA SD TRAINED SPOTTER

DIME TO NICKLE SIZE FOR 5 MINUTES 0945 TO 0950 AM
CDT...ALMOST COVERS THE GROUND.


&&

$$

DMORIN

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KPIH [221433]: Preliminary Local Storm Report

NWUS55 KPIH 221433
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
833 AM MDT SUN MAR 22 2009

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

0821 AM HAIL 12 S OAKLEY 42.07N 113.88W
03/22/2009 E0.25 INCH CASSIA ID TRAINED SPOTTER

THUNDERSTORMS WITH PEA SIZE HAIL. THE PEA SIZE HAIL HAS
3/4 INCH OF ACCUMULATION ON THE GROUND.


&&

$$

TWYATT

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KREV [221416]: Preliminary Local Storm Report

NWUS55 KREV 221416
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
716 AM PDT SUN MAR 22 2009

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

0530 AM HEAVY SNOW INCLINE VILLAGE 39.25N 119.96W
03/22/2009 M16.0 INCH WASHOE NV PUBLIC

8 TO 16 INCHES IN LAST 24 HOURS AT DIAMOND PEAK SKI AREA.


0530 AM HEAVY SNOW SIERRA-AT-TAHOE SKI ARE 38.80N 120.08W
03/22/2009 M16.0 INCH EL DORADO CA PUBLIC

11 TO 16 INCHES NEW SNOW IN THE LAST 24 HOURS.

0600 AM HEAVY SNOW ALPINE MEADOWS 39.17N 120.22W
03/22/2009 M16.0 INCH PLACER CA MESONET

NEW SNOW SINCE 3PM YESTERDAY AT 6800 FEET, 0.93 INCHES
LIQUID EQUIVALENT. 22 INCHES MEASURED ON UPPER PORTION OF
MOUNTAIN.

0600 AM HEAVY SNOW SQUAW VALLEY 39.20N 120.22W
03/22/2009 M14.0 INCH PLACER CA PUBLIC

12-14 INCHES NEW SNOW SINCE 3 PM YESTERDAY AT 8200 FEET,
1.02 INCHES LIQUID. 9-10 INCHES AT 6200 FEET.

0603 AM HEAVY SNOW 3 NW TRUCKEE 39.36N 120.24W
03/22/2009 M15.0 INCH NEVADA CA PUBLIC

12 TO 15 INCHES OF NEW SNOW IN LAST 24 HOURS AT TAHOE
DONNER SKI AREA.

0619 AM HEAVY SNOW SODA SPRINGS 39.32N 120.38W
03/22/2009 M18.0 INCH NEVADA CA PUBLIC

13 TO 18 INCHES OF NEW SNOW IN LAST 24 HOURS AT SODA
SPRINGS SKI AREA.

0620 AM HEAVY SNOW 5 W TRUCKEE 39.33N 120.30W
03/22/2009 M18.0 INCH NEVADA CA PUBLIC

18 INCHES NEW SNOW IN LAST 24 HOURS AT BOREAL SKI AREA.

0620 AM HEAVY SNOW MOUNT ROSE SKI AREA 39.33N 119.89W
03/22/2009 M12.0 INCH WASHOE NV PUBLIC

8 TO 12 INCHES IN THE LAST 12 HOURS.

0622 AM HEAVY SNOW HOMEWOOD 39.08N 120.16W
03/22/2009 M16.0 INCH PLACER CA PUBLIC

10 TO 16 INCHES NEW SNOW SINCE YESTERDAY.

0630 AM HEAVY SNOW 3 S TRUCKEE 39.28N 120.20W
03/22/2009 M13.0 INCH PLACER CA PUBLIC

11-13 INCHES NEW SNOW SINCE YESTERDAY.


&&

$$

BRONG

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KMFR [221332]: Preliminary Local Storm Report

NWUS56 KMFR 221332
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
632 AM PDT SUN MAR 22 2009

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

0631 AM HEAVY RAIN 4 NE GOLD BEACH 42.45N 124.37W
03/22/2009 M1.71 INCH CURRY OR TRAINED SPOTTER

5AM TO 5AM.


&&

$$

GLASER

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KVEF [221259]: Preliminary Local Storm Report

NWUS55 KVEF 221259
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
559 AM PDT SUN MAR 22 2009

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

0130 AM NON-TSTM WND GST 3 NNE DESERT ROCK (NTS 36.66N 116.00W
03/22/2009 M60.00 MPH NYE NV MESONET

A 60 MPH WIND GUST WAS RECORDED AT A MESONET SITE NEAR
MERCURY AT AN ELEVATION OF 3676 FEET.

0214 AM NON-TSTM WND GST FIVE MILE RAWS 35.87N 117.92W
03/22/2009 M53.00 MPH INYO CA MESONET

A 53 MPH WIND GUST WAS RECORDED AT THE FIVE MILE RAWS AT
AN ELEVATION OF 4150 FEET AT 214 AM AND 314 AM. GUSTS OF
50 MPH OR GREATER WERE RECORDED EACH HOUR FROM 214 AM ON
THROUGH 514 AM.

0534 AM NON-TSTM WND GST 4 NNW BLUE DIAMOND RIDG 36.13N 115.43W
03/22/2009 M58.00 MPH CLARK NV MESONET

A 58 MPH WIND GUST WAS RECORDED AT THE RED ROCK CANYON
RAWS AT AN ELEVATION OF 3756 FEET.


&&

$$

STACHELSKI

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 221255
SWODY1
SPC AC 221252

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0752 AM CDT SUN MAR 22 2009

VALID 221300Z - 231200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
JET STREAK NOW MOVING SSE OFF THE NRN CA CST EXPECTED TO FURTHER
AMPLIFY ALREADY-POTENT CNTRL CA TROUGH. THE TROUGH SHOULD MOVE E
ACROSS THE SRN GRT BASIN TODAY...BEFORE TURNING NEWD INTO ERN CO
EARLY MON AS A CLOSED LOW. AHEAD OF THE MAIN TROUGH...A MORE
LOOSELY ORGANIZED BAND OF ASCENT...NOW EXTENDING FROM CNTRL MT
THROUGH CNTRL WY INTO WRN CO...SHOULD CONTINUE ENE INTO THE PLNS
LATER TODAY...AND INTO THE UPR MS/LWR MO VLYS TONIGHT/EARLY MON.

AT THE SFC...EXPECT SFC LOW NOW OVER SE MT WILL REFORM SWD INTO NE
CO BY THIS EVE AS LEE TROUGH BECOMES BETTER DEFINED OVER THE
CNTRL/SRN HI PLNS. COLD FRONT DIRECTLY ASSOCIATED WITH CA TROUGH
WILL MOVE E ACROSS THE GRT BASIN TODAY AND OVERTAKE NRN PART OF THE
LEE TROUGH EARLY MON...WHILE SHALLOWER COLD SURGE NOSES SSE ACROSS
THE NRN HI PLNS. FARTHER E...WARM/STNRY FRONT SHOULD EVOLVE WITH
TIME FROM ERN SD SE INTO THE LWR MO/MID MS VLYS.

...GRT PLNS...
CURRENT SATELLITE AND SFC DATA CONTINUE TO SHOW THAT MOISTURE WILL
REMAIN RELATIVELY LIMITED OVER THE PLNS STATES THIS PERIOD...DESPITE
EXPECTED STRENGTHENING/BROADENING OF SSWLY LOW LVL FLOW E OF LEE
TROUGH/DRY LINE. SFC DEWPOINTS SHOULD REMAIN MOSTLY AOB 50 F OVER
NRN PORTIONS OF THE PLNS...WITH POCKETS OF LOW TO MID 50S POSSIBLE
OVER CNTRL/SRN SECTIONS. AT THE SAME TIME...CLDS ASSOCIATED WITH
LEAD UPR IMPULSE WILL DIMINISH SFC HEATING IN MANY AREAS. AS A
RESULT...OVERALL DESTABILIZATION SHOULD REMAIN MODEST...WITH MLCAPE
REMAINING AOB 500-1000 J/KG.

DESPITE THE ABOVE LIMITATIONS...SEVERAL AREAS/SCENARIOS WILL REQUIRE
MONITORING FOR LOCALIZED/LIMITED SVR POTENTIAL. THESE INCLUDE:

1. CNTRL/SRN NEB AND WRN/CNTRL KS SW INTO WRN OK/TX PANHANDLE THIS
AFTN/EVE...WHERE FORCING ASSOCIATED WITH LEAD UPR IMPULSE...AND SFC
HEATING...MAY SUPPORT WDLY SCTD LATE AFTN/EVE STORMS ALONG LEE
TROUGH/DRY LINE SEGMENTS. DEEP WSWLY SHEAR WILL INCREASE WITH TIME
AS GRT BASIN UPR SYSTEM...AND DIRECTIONAL COMPONENT WILL BE
FAVORABLE FOR SUSTAINED ROTATING STORMS /ESPECIALLY OVER SRN
SECTIONS/. SVR HAIL AND LOCALLY DMG WIND GUSTS MAY OCCUR. BUT
COMBINATION EML CAP AND MODEST MOISTURE SUPPLY SHOULD LIMIT OVERALL
SVR INTENSITY/DURATION. SOME OF THIS ACTIVITY MAY EVOLVE INTO SMALL
CLUSTERS OR BANDS THAT CONTINUE E ACROSS KS AND NRN OK TNGT.

2. NE OF DEVELOPING WARM FRONT...CLUSTERS OF ELEVATED STORMS
EXPECTED TO PERSIST OVER ND TODAY...AND EXPAND SSE INTO ERN
SD/MN/IA/ERN NEB AND NRN MO LATER TODAY THROUGH EARLY MON. WITH
MUCAPE INCREASING TO 750 OR PERHAPS 1000 J/KG IN EXIT REGION OF
40-50 KT LLJ...SOME STORMS ROOTED ABOVE FRONTAL SURFACE MAY YIELD
SVR HAIL. CLOUD-LYR SHEAR SHOULD...HOWEVER...REMAIN COMPARATIVELY
WEAK AND LIMIT STORM LONGEVITY/ORGANIZATION. ON THE SW EDGE OF THIS
ACTIVITY IN ERN NEB...A SMALL WINDOW OF OPPORTUNITY WILL EXIST FOR
SFC-BASED STORMS LATE THIS AFTN/EARLY TNGT...IF HEATING AND LOW LVL
CONVERGENCE VERIFY STRONGER THAN NOW EXPECTED. WIND PROFILES IN THE
REGION COULD SUPPORT SUPERCELLS GIVEN A SUSTAINED UPDRAFT...AND AN
ATTENDANT THREAT FOR SVR HAIL/WIND.

3 OVER THE CNTRL HI PLNS EARLY MON...EXPECT STORMS TO FORM ON
LEADING EDGE OF STRONG ASCENT/DPVA ASSOCIATED WITH GRT BASIN TROUGH.
COMBINATION OF ASSOCIATED DESTABILIZATION ALOFT...LOW LVL
CONVERGENCE N-NE OF DEEPENING NE CO SFC LOW...AND FRONTOGENETIC
FORCING MAY SUPPORT A LINE OF STRONG TO POSSIBLY SVR STORMS LATE IN
THE PERIOD OVER SW SD AND WRN/NRN NEB SE INTO NW KS. STEEPENING MID
LVL LAPSE RATES WILL BOOST MUCAPE TO AOA
1000 J/KG...ALTHOUGH TEMPORAL BACKING OF LOW TO MID TROPOSPHERIC
FLOW SUGGESTS STORMS WILL QUICKLY ASSUME A LINEAR ORGANIZATION.
ATTM IT APPEARS THAT GREATEST BLOSSOMING OF STORMS WILL OCCUR JUST
AFTER 12Z. BUT IF IT APPEARS THAT GRT BASIN VORT WILL PROGRESS MORE
RAPIDLY THAN NOW EXPECTED...A CATEGORICAL SLIGHT RISK MAY BE
REQUIRED IN LATER OUTLOOK.

..CORFIDI/SMITH.. 03/22/2009

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 220828
SWOD48
SPC AC 220827

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0327 AM CDT SUN MAR 22 2009

VALID 251200Z - 301200Z

...DISCUSSION...

LATEST DETERMINISTIC RUNS OF THE ECMWF...GFS AND UKMET /THROUGH 144
HR/ ARE ALL IN RATHER GOOD AGREEMENT IN THE EVOLUTION OF THE
LARGE-SCALE PATTERN THROUGH THE EXTENDED PERIOD. D4 /WED MAR 25TH/
AND D5 /THU MAR 26TH/ APPEAR TO BE TRANSITION DAYS AS INITIAL
SIGNIFICANT SHORT WAVE TROUGH WEAKENS WHILE LIFTING NEWD FROM THE
UPPER MIDWEST INTO MEAN RIDGE IN PLACE OVER ERN CANADA. TSTMS /SOME
SEVERE/ WILL BE POSSIBLE WITHIN A MOIST...PRE-FRONTAL AIR MASS ALONG
THE GULF COAST. HOWEVER...AN ORGANIZED SEVERE WEATHER EVENT IS NOT
ANTICIPATED.

BY D6 /FRI MAR 27TH/ THESE DATA INDICATE THE DEVELOPMENT OF A
POWERFUL MIDLEVEL TROUGH OVER THE S-CNTRL CONUS WHICH SUBSEQUENTLY
INTENSIFIES WHILE BECOMING NEGATIVELY-TILTED OVER THE ERN HALF OF
THE NATION FROM D7 /SAT MAR 28TH/ INTO D8 /SUN MAR 29TH/. SHOULD
THIS SCENARIO UNFOLD...THE POTENTIAL WOULD EXIST FOR A SERIES OF
SEVERE WEATHER EPISODES FROM THE S-CNTRL U.S. TO THE ATLANTIC COAST
FROM D6-D8. HOWEVER...IT IS IMPORTANT TO NOTE THAT RUN-TO-RUN MODEL
CONSISTENCY HAS BEEN POOR...DUE IN PART TO THE PRESENCE OF A STRONG
UPSTREAM JET OVER THE N-CNTRL INTO NERN PACIFIC OCEAN. AS A RESULT
OF THIS UNCERTAINTY...NO SEVERE WEATHER AREAS WILL BE DELINEATED
ATTM.

..MEAD.. 03/22/2009

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KKEY [220716]: Preliminary Local Storm Report

NWUS52 KKEY 220716
LSRKEY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
316 AM EDT SUN MAR 22 2009

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

0229 AM NON-TSTM WND GST 6 SSW MARATHON 24.63N 81.11W
03/22/2009 M44 MPH GMZ053 FL C-MAN STATION

WIND GUST ASSOCIATED WITH A STRONG SHOWER AT 239 AM EDT.

&&

$$

AL

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 220707
SWODY3
SPC AC 220704

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0204 AM CDT SUN MAR 22 2009

VALID 241200Z - 251200Z

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

...SYNOPSIS...

MID/UPPER-LEVEL LOW INITIALLY OVER SD/NEB WILL EVOLVE INTO AN OPEN
WAVE TUESDAY AS ASSOCIATED JET STREAK DEVELOPS NNEWD FROM THE LOWER
MO VALLEY INTO UPPER GREAT LAKES. AS THIS PROCESS OCCURS...A
SECONDARY VORTICITY MAXIMUM AND ATTENDANT MID/HIGH-LEVEL JET STREAKS
WILL INITIALLY SHIFT EWD ACROSS OK AND NRN TX...AND THEN MORE NEWD
INTO THE MID MO VALLEY. DCVA IN ADVANCE OF THIS FEATURE IN CONCERT
WITH A COUPLED UPPER-LEVEL JET STREAK STRUCTURE WILL RESULT IN A
ZONE OF STRONG DEEP-LAYER FORCING FOR ASCENT FROM THE MID MS VALLEY
SWD INTO THE ARKLATEX AND LOWER MS VALLEY.

AT THE SURFACE...DEEPLY OCCLUDED SURFACE LOW WILL DEVELOP NEWD FROM
SERN SD ACROSS SRN MN...NWRN WI TO LAKE SUPERIOR. TRAILING COLD
FRONT WILL PUSH EWD THROUGH THE UPPER MIDWEST AND MID MS
VALLEY...AND MORE SEWD THROUGH THE ARKLATEX INTO LOWER MS VALLEY. A
MARINE/WARM FRONT WILL LIFT NWD THROUGH PORTIONS OF LA/MS IN ADVANCE
OF THE COLD FRONT.

...ERN PARTS OF OK/TX INTO THE MIDDLE AND LOWER MS VALLEYS...

PERSISTENT LOW-LEVEL RIDGING ALONG THE E COAST /IN ASSOCIATION WITH
DEEP-LAYER CYCLONE OVER THE WRN ATLANTIC/ WILL CONTINUE TO LIMIT THE
BREADTH OF PREFRONTAL WARM SECTOR...PARTICULARLY OVER THE MID MS
VALLEY INTO UPPER MIDWEST. FARTHER S...FURTHER AIR MASS
MODIFICATION WILL OCCUR OVER THE WRN GULF BASIN WITH DEWPOINTS
GRADUALLY INCREASING THROUGH THE 60S AHEAD OF COLD FRONT FROM ERN TX
INTO THE LOWER MS VALLEY. THIS MOISTURE WILL COINCIDE WITH MODESTLY
STEEP MIDLEVEL LAPSE RATES...CONTRIBUTING TO POCKETS OF MODERATE
CONVECTIVE INSTABILITY ACROSS THE SLIGHT RISK AREA WHERE MLCAPE MAY
APPROACH 1000-1500 J/KG. MORE WIDESPREAD CLOUDINESS AND DRIER
BOUNDARY LAYER CONDITIONS WILL LIMIT MLCAPE TO AOB 500 J/KG FROM THE
OZARK PLATEAU INTO MID MS VALLEY.

CLUSTERS OF TSTMS OR A LINEAR CONVECTIVE SYSTEM WILL LIKELY BE
ONGOING ALONG FRONT TUESDAY MORNING FROM THE LOWER MO VALLEY INTO
NRN TX. INCREASED LARGE-SCALE FORCING IN ADVANCE OF SECONDARY
IMPULSE /AS MENTIONED IN SYNOPSIS/ IS EXPECTED TO SUPPORT A GRADUAL
INCREASE IN STORM INTENSITY THROUGH THE DAY...PARTICULARLY ACROSS
THE SLIGHT RISK AREA WHERE STRONGER AIR MASS DESTABILIZATION WILL
OCCUR. IN ADDITION TO THE COLD FRONTAL ACTIVITY...OTHER STORMS MAY
DEVELOP WITHIN OPEN WARM SECTOR OR ALONG RETREATING WARM/MARINE
FRONT OVER THE LOWER MS VALLEY TUESDAY AFTERNOON.

THE COMBINATION OF THE MODERATE INSTABILITY AND MODERATE TO STRONG
VERTICAL SHEAR SUGGESTS THE POTENTIAL FOR EMBEDDED SUPERCELL AND/OR
BOWING STRUCTURES WITH THE THREAT FOR DAMAGING WINDS...TORNADOES AND
SOME HAIL. FARTHER N OVER THE OZARKS INTO MID MS VALLEY....VERTICAL
SHEAR WILL BE QUITE STRONG OWING TO THE COLLOCATION OF 50-60 KT LLJ
AND 70-80 KT MIDLEVEL FLOW. CURRENTLY...IT APPEARS THAT THE VERY
MARGINAL INSTABILITY WILL PRECLUDE A MORE SUBSTANTIAL/ORGANIZED
SEVERE THREAT. THEREFORE...ONLY LOW SEVERE PROBABILITIES HAVE BEEN
INCLUDED FOR THESE AREAS.

..MEAD.. 03/22/2009

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KVEF [220650]: Preliminary Local Storm Report

NWUS55 KVEF 220650
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1149 PM PDT SAT MAR 21 2009

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

1134 PM NON-TSTM WND GST 4 NNW RED ROCK CANYON R 36.19N 115.46W
03/21/2009 M52.00 MPH CLARK NV MESONET


&&

$$

BFUIS

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 220552
SWODY1
SPC AC 220550

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1250 AM CDT SUN MAR 22 2009

VALID 221200Z - 231200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
PROGRESSIVE SYNOPTIC PATTERN FCST TO CONTINUE ACROSS CONUS THROUGH
PERIOD...AS CENTRAL STATES RIDGING AND STG ERN PACIFIC TROUGH EACH
MOVE EWD FROM CURRENT POSITIONS. RELATED HEIGHT FALLS WILL SPREAD
OVER MOST OF WRN CONUS...ROCKIES AND HIGH PLAINS BY END OF PERIOD.
THIS WILL CONTRIBUTE TO CONTINUATION OF BROAD LOW LEVEL WAA REGIME
ACROSS PLAINS STATES. STG SHORTWAVE TROUGH WILL MOVE ASHORE CA
DURING 22/12-15Z TIME FRAME THEN EWD ACROSS GREAT BASIN...EVOLVING
CLOSED 500 MB LOW INVOF UT/WY BORDER BY 23/06Z. PRECEDING SHORTWAVE
TROUGH -- NOW EVIDENT FROM NV SWWD ACROSS PACIFIC...OFFSHORE NRN
BAJA -- WILL MOVE EWD ACROSS CENTRAL/SRN ROCKIES AND ADJACENT
PLAINS. BY 23/00Z...STG CONSENSUS OF SREF...AS WELL AS OPERATIONAL
NAM/SPECTRAL...SHOW 500 MB VORTICITY AXIS WITH THIS FEATURE
EXTENDING FROM S-CENTRAL NEB ACROSS W-CENTRAL KS...NWRN OK...THEN
SWWD OVER TX SOUTH-PLAINS AND TRANS-PECOS REGIONS.

AT SFC...INITIAL AREA OF LEE-SIDE LOW PRESSURE OVER MT IS EXPECTED
TO REDEVELOP SWD OVER NERN CO/SRN NEB PANHANDLE BORDER AREA BY END
OF PERIOD...CONNECTED TO LOW-LEVEL COLD FRONTOGENESIS REGIME THAT
SHOULD REACH FAR WRN KS AND CENTRAL NM AT 23/12Z. FARTHER
E...WITHIN EXPANSIVE LOW-LEVEL RETURN FLOW/WAA ZONE...EXPECT ONLY
SLOW/FRAGMENTED INCREASE IN LOW LEVEL MOISTURE...GIVEN INCOMPLETE
NATURE OF PRIOR AIR MASS MODIFICATION OVER GULF. NEVERTHELESS...BY
23/00Z...DRYLINE IS FCST TO BECOME MORE SHARPLY DEFINED FROM SW TX
NWD ACROSS TX PANHANDLE...WRN KS...SW/W-CENTRAL NEB...W-CENTRAL/NWRN
SD...TO FRONTAL INTERSECTION OVER SWRN ND/NWRN SD AREA.

...PLAINS STATES...
E OF DRYLINE...SFC DEW POINTS 40S F SHOULD BE COMMON OVER
NRN/CENTRAL PLAINS...WITH POCKETS OF 50S OVER PORTIONS KS...OK AND
TX. GIVEN FAVORABLE UPPER AIR PATTERN...THIS MOISTURE FIELD IS FAR
FROM IDEAL FOR SPRINGTIME SEVERE SETUP UNDER PROGGED -13 TO -16 DEG
C 500 MB TEMPS AND ROBUST ELEVATED MIXED LAYER OVER MOST OF PLAINS.
SVR RISK APPEARS VERY CONDITIONAL AND/OR ISOLATED ACROSS BROAD SWATH
OF CENTRAL/NRN PLAINS AND SWD INVOF KS-TX DRYLINE...AND THERE ARE
TOO MANY UNCERTAINTIES AND OFFSETS OF MOST FAVORABLE PARAMETERS TO
WARRANT ANYTHING MORE THAN MRGL UNCONDITIONAL PROBABILITIES ATTM.
THREE PRIMARY AREAS OF CONCERN EXIST IN THIS SWATH...WHICH OVERLAP
TO SOME EXTENT IN SPACE AND TIME...

1. DIURNAL BUT NOT NECESSARILY SFC-BASED INITIATION AHEAD OF DRYLINE
ACROSS CENTRAL/ERN PORTIONS NEB/SD...SHIFTING NEWD AND INCREASING IN
COVERAGE DURING EVENING INVOF 50-65 KT LLJ. THIS ACTIVITY WILL BE
ASSOCIATED PRIMARILY WITH ELEVATED LOW LEVEL WAA PLUME AND
INCREASING MOISTURE...RESULTING IN ELEVATED MUCAPES GENERALLY IN
500-800 J/KG RANGE...ON NERN PERIPHERY OF ELEVATED MIXED-LAYER AIR
PLUME CONTAINING FAVORABLE LAPSE RATES ALOFT. ALTHOUGH PROGS
INDICATE CAPPING FOR SFC-BASED PARCELS STRENGTHENING WITH SWD/SWWD
EXTENT...SUFFICIENT SFC HEATING MAY OCCUR OVER PORTIONS CENTRAL/ERN
NEB FOR BRIEF INTERVAL OF SFC-BASED INFLOW. IN THAT CASE...STG-SVR
GUSTS MAY BE POSSIBLE IN ADDITION TO BROADER BUT MRGL THREAT FOR SVR
HAIL. ANY DISCRETE/NEARLY SFC-BASED STORMS NEAR TAIL END OF THIS
REGIME MAY BECOME SUPERCELLULAR...GIVEN ENLARGED AND STRONGLY CURVED
LOW LEVEL HODOGRAPHS PROGGED BENEATH LLJ. HOWEVER...LACK OF SPEED
CHANGE WITH HEIGHT FROM LOW-MIDLEVELS LIMITS 0-6 KM AND EFFECTIVE
SHEAR TO ONLY 30-35 KT RANGE IN FCST SOUNDINGS.

2. CONDITIONAL LATE AFTERNOON SUPERCELL THREAT EXISTS ALONG DRYLINE
FROM NEB SWD TO NW TX....UNDER FAVORABLE VERTICAL SHEAR. LOW LEVEL
HODOGRAPHS ACROSS THIS REGION WILL BE CONSISTENTLY LARGE -- WITH 0-1
KM SRH VALUES POTENTIALLY IN 200-300 J/KG RANGE. WEAKNESS OF WINDS
IN 700-500 MB LAYER BECOMES MORE PRONOUNCED WITH NWD EXTENT FROM NW
OK/NERN TX PANHANDLE NWD TO WRN NEB...BUT IS NOT EVIDENT FARTHER S
AROUND CDS. MAIN LIMITING FACTOR OTHER THAN WEAKNESS OF MOISTURE
WILL BE STG CAPPING -- BENEATH VIGOROUS EML. ALSO...NEB PORTION OF
DRYLINE COULD BE BEHIND LEADING SHORTWAVE TROUGH. FCST SOUNDINGS
SUGGEST ANY DRYLINE ACTIVITY THAT DOES DEVELOP WILL BE QUITE
ISOLATED...BUT WITH SOME POTENTIAL FOR SVR HAIL/GUSTS.

3. LEADING EDGE OF STRONGEST LARGE SCALE ASCENT -- ASSOCIATED WITH
PROGRESSIVE/MID-UPPER LEVEL CYCLONE -- IS FCST TO BEGIN SPREADING
ACROSS CENTRAL HIGH PLAINS OVERNIGHT. COMBINATION OF RELATED
DESTABILIZATION ALOFT...LOW LEVEL CONVERGENCE N-NE OF SFC
CYCLONE...FRONTOGENETIC FORCING AND LOW-LEVEL MOIST ADVECTION...MAY
CONTRIBUTE TO VIGOROUS DEEP-LAYER LIFT AND DEVELOPMENT OF NIGHTTIME
TSTMS ACROSS PORTIONS NEB PANHANDLE AND/OR CENTRAL/SWRN SD.
STEEPENING OF LAPSE RATES ALOFT MAY SUPPORT ELEVATED MUCAPE
EXCEEDING 1000 J/KG IN PARTS OF THIS AREA. STRONG BACKING WITH
HEIGHT OF WINDS IN 1-4 KM AGL LAYER -- AS MID-UPPER LOW APCHS --
INDICATES LINEAR ORGANIZATION IS POSSIBLE...WITH HAIL POTENTIAL
WEAK-MRGL. WIND THREAT WOULD BE SPORADIC AND LIMITED BY STABILITY
NEAR SFC...BENEATH ELEVATED/UNSTABLE INFLOW LAYER.

..EDWARDS/GARNER.. 03/22/2009

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 220529
SWODY2
SPC AC 220526

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1226 AM CDT SUN MAR 22 2009

VALID 231200Z - 241200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE MID MO VALLEY SWD TO
THE RED RIVER VALLEY...

...SYNOPSIS...

A DYNAMIC LARGE-SCALE PATTERN WILL EXIST OVER THE CNTRL CONUS DURING
THE DAY TWO PERIOD AS INTENSE MID/UPPER-LEVEL LOW SHIFTS NEWD FROM
THE CNTRL HIGH PLAINS INTO SD/NEB. AS THIS PROCESS
OCCURS...SIGNIFICANT HEIGHT FALLS/DYNAMIC FORCING FOR ASCENT WILL
SPREAD EWD THROUGH THE CNTRL/SRN PLAINS...AND EVENTUALLY MORE NEWD
THROUGH THE DAKOTAS INTO UPPER MS VALLEY.

AT THE SURFACE...LOW PRESSURE INITIALLY OVER NERN CO WILL DEEPEN
SLIGHTLY EARLY MONDAY BEFORE SLOWLY FILLING DURING THE OCCLUSION
PROCESS WHILE DEVELOPING NEWD THROUGH CNTRL NEB INTO ERN SD.
TRAILING PACIFIC FRONT/DRYLINE WILL PUSH EWD INTO CNTRL PARTS OF
NEB/KS BEFORE BEING OVERTAKEN BY POLAR COLD FRONT SURGING SEWD FROM
THE NRN HIGH PLAINS. FARTHER S...DRYLINE WILL MIX EWD INTO WRN OK
AND NWRN TX BY AFTERNOON/EARLY EVENING BEFORE MERGING WITH POLAR
FRONT LATER MONDAY NIGHT OVER CNTRL OK INTO N-CNTRL TX.

...GREAT PLAINS...

RECENT TRENDS IN GOES TPW DATA INDICATE THAT SLOW AIR MASS
MODIFICATION IS NOW OCCURRING OVER THE FAR WRN GULF OF MEXICO WITH
LOWER TO MID 60S DEWPOINTS NOW OBSERVED AS FAR N AS DEEP S TX.
HOWEVER...LATEST MODEL GUIDANCE CONTINUES TO CONFIRM THAT DEEPER
CONTINENTAL PBL MIXING WILL LIMIT MOISTURE QUALITY WITH DEWPOINTS
REMAINING LARGELY IN THE 50S ACROSS SYSTEM WARM SECTOR.
THIS MOISTURE WILL COMBINE WITH A RESERVOIR OF STEEP MIDLEVEL LAPSE
RATES /7-8 C PER KM/ SITUATED ON CYCLONIC SIDE OF MID AND HIGH-LEVEL
JET CORES TO SUPPORT POCKETS OF MODERATE INSTABILITY OVER THE CNTRL
PLAINS BY AFTERNOON WHERE MLCAPE WILL APPROACH 1000 J/KG.

OVER THE SRN PLAINS...MIDLEVEL LAPSE RATES WILL TEMPORARILY WEAKEN
MONDAY WHICH WILL HAVE AN IMPACT ON AIR MASS DESTABILIZATION INTO
THE AFTERNOON. HOWEVER...MODEL DATA CONTINUE TO INDICATE THAT A
SECONDARY PLUME OF STEEPER LAPSE RATES WILL ACCOMPANY A TRAILING JET
STREAK/VORTICITY MAXIMUM SHIFTING EWD ACROSS THE TX PNHDL AND
OK...BOOSTING MLCAPE TO AROUND 1000 J/KG TOWARD 24/00Z FROM SRN KS
INTO OK.

INITIAL SURFACE-BASED TSTM ACTIVITY WILL LIKELY OCCUR MONDAY
AFTERNOON INVOF SURFACE LOW AND IMMEDIATELY TO THE S ALONG OCCLUDING
PACIFIC AND POLAR FRONTS OVER PARTS OF NEB/KS. WHILE HAIL/DAMAGING
WINDS WILL BE THE PRIMARY SEVERE WEATHER THREATS...SETUP WILL BE
FAVORABLE FOR LOW-TOPPED SUPERCELL DEVELOPMENT NEAR OCCLUDING
SURFACE LOW OVER N-CNTRL/NERN NEB INTO SERN SD WHERE ISOLATED
TORNADOES ARE POSSIBLE. RAPIDLY BACKING DEEP-LAYER SHEAR VECTORS
WITH TIME ACROSS NEB INTO NRN KS SUGGESTS THAT STORMS MAY EVOLVE
INTO A LINEAR SYSTEM WITH THE THREAT FOR HAIL AND DAMAGING WINDS
CONTINUING EWD THROUGH THE MID AND LOWER MO VALLEYS MONDAY NIGHT.

FROM CNTRL KS INTO THE RED RIVER VALLEY...MORE NORMAL ORIENTATION OF
DEEP-LAYER SHEAR VECTORS TO THE DRYLINE AND GENERALLY WEAKER
LARGE-SCALE FORCING MAY BE MORE FAVORABLE FOR BROKEN LINE SEGMENTS
OR DISCRETE STORMS MONDAY AFTERNOON INTO MONDAY NIGHT. WHILE
ENVIRONMENT WILL NOT BE PARTICULARLY UNSTABLE...THE PRESENCE OF
RATHER STRONG LOW AND DEEP-LAYER SHEAR /I.E. 0-1 KM SHEAR OF 25-35
KT AND EFFECTIVE BULK SHEAR OF 50-60 KT/ SUGGESTS THE THREAT FOR A
FEW SUPERCELLS CAPABLE OF DAMAGING WINDS...HAIL AND PERHAPS
TORNADOES. HERE TOO...STORMS MAY TEND TO GROW UPSCALE INTO A LINEAR
SYSTEM MONDAY NIGHT WITH A HAIL/WIND THREAT PERSISTING EWD ACROSS OK
PERHAPS INTO PARTS OF THE OZARK PLATEAU AND NRN TX. EMBEDDED
SUPERCELLS WILL REMAIN POSSIBLE HOWEVER...AND GIVEN THAT BOUNDARY
LAYER MOISTURE WILL CONTINUE TO INCREASE IN AN ENVIRONMENT OF STRONG
LOW-LEVEL SHEAR...ISOLATED TORNADOES CANNOT BE RULED OUT.

..MEAD.. 03/22/2009

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KDDC [220513]: Preliminary Local Storm Report

NWUS53 KDDC 220513
LSRDDC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DODGE CITY KS
1213 AM CDT SUN MAR 22 2009

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

1118 PM HAIL LIBERAL 37.04N 100.94W
03/21/2009 M0.88 INCH SEWARD KS PUBLIC

DIME TO NICKEL SIZED HAIL COVERED THE GROUND.


&&

$$

JFINCH

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KDDC [220448]: Preliminary Local Storm Report

NWUS53 KDDC 220448
LSRDDC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DODGE CITY KS
1148 PM CDT SAT MAR 21 2009

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

1130 PM HAIL 1 S LIBERAL 37.03N 100.94W
03/21/2009 E0.75 INCH SEWARD KS LAW ENFORCEMENT


&&

$$

BURKE

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KDDC [220441]: Preliminary Local Storm Report...corrected

NWUS53 KDDC 220441
LSRDDC

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DODGE CITY KS
1141 PM CDT SAT MAR 21 2009

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

1115 PM TSTM WND GST 2 W LIBERAL 37.05N 100.97W
03/21/2009 M59.00 MPH SEWARD KS AWOS

LBL AWOS 0415Z 21039G51KT.


&&

$$

BURKE

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KDDC [220436]: Preliminary Local Storm Report

NWUS53 KDDC 220436
LSRDDC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DODGE CITY KS
1135 PM CDT SAT MAR 21 2009

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

1115 PM TSTM WND GST 2 W LIBERAL 37.05N 100.97W
03/21/2009 M51 MPH SEWARD KS AWOS

LBL AWOS 0415Z 21039G51KT.


&&

$$

BURKE

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