Saturday, December 8, 2012

KBIS [090441]: Preliminary Local Storm Report

NWUS53 KBIS 090441
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1041 PM CST SAT DEC 08 2012

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

1041 PM SNOW CARTWRIGHT 47.86N 103.93W
12/08/2012 M3.5 INCH MCKENZIE ND PUBLIC

SNOW TOTAL RELAYED BY MEDIA.


&&

$$

TM

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KBIS [090440]: Preliminary Local Storm Report

NWUS53 KBIS 090440
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1040 PM CST SAT DEC 08 2012

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

1039 PM SNOW ELGIN 46.40N 101.85W
12/08/2012 E3.0 INCH GRANT ND PUBLIC

3 INCHES IN ELGIN AND STILL SNOWING. RELAYED BY MEDIA.


&&

$$

TM

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KTFX [090437]: Preliminary Local Storm Report...summary

NWUS55 KTFX 090437
LSRTFX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GREAT FALLS MT
936 PM MST SAT DEC 08 2012

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

0300 AM HEAVY SNOW 11 SSW EAST GLACIER PAR 48.30N 113.33W
12/08/2012 M10.0 INCH GLACIER MT MESONET

PIKE CREEK SNOTEL MEASURES 24-HOUR SNOWFALL OF 10.0
INCHES. ELEVATION 5930 FEET.

0400 AM HEAVY SNOW 14 SW HEART BUTTE 48.13N 113.02W
12/08/2012 M15.0 INCH PONDERA MT MESONET

BADGER PASS SNOTEL MEASURES 24-HOUR SNOWFALL OF 15.0
INCHES. ELEVATION 6900 FEET.

0600 AM HEAVY SNOW 24 W BYNUM 47.92N 112.82W
12/08/2012 M8.0 INCH TETON MT MESONET

MOUNT LOCKHART SNOTEL MEASURES 12-HOUR SNOWFALL OF 8.0
INCHES. ELEVATION 6400 FEET.

0600 AM HEAVY SNOW 12 SSE NEIHART 46.78N 110.62W
12/08/2012 M8.0 INCH MEAGHER MT MESONET

SPUR PARK SNOTEL 12-HOUR SNOWFALL. ELEVATION 8100 FEET.

0700 AM HEAVY SNOW 8 W NEIHART 46.93N 110.90W
12/08/2012 M8.0 INCH MEAGHER MT MESONET

STRINGER CREEK SNOTEL MEASURES 12-HOUR SNOWFALL OF 8.0
INCHES. ELEVATION 6550.

0920 AM SNOW 5 SSE ULM 47.37N 111.48W
12/08/2012 M8.5 INCH CASCADE MT TRAINED SPOTTER

MEASURED 8.5 INCHES SNOW SINCE MIDNIGHT. 0.34 INCHES
LIQUID EQUIVALENT. HEAVY SNOW CONTINUING AT TIME OF
OBSERVATION

1005 AM SNOW 7 S GREAT FALLS 47.40N 111.29W
12/08/2012 M6.0 INCH CASCADE MT NWS EMPLOYEE

1150 AM SNOW 6 SSW BELT 47.30N 110.98W
12/08/2012 M8.0 INCH CASCADE MT TRAINED SPOTTER

1200 PM HEAVY SNOW 5 SSE ULM 47.37N 111.48W
12/08/2012 E11.0 INCH CASCADE MT TRAINED SPOTTER

11 INCHES...NEW SNOWFALL PAST 12 HOURS...LIQUID
EQUIVALENT OF 0.47 INCHES...23 TO 1 SNOW TO LIQUID
RATIO...ELEVATION 3336 FT

1200 PM HEAVY SNOW BELT 47.39N 110.93W
12/08/2012 E7.0 INCH CASCADE MT PUBLIC

7 INCHES...NEW SNOWFALL PAST 12 HOURS...ELEVATION 3515
FT

1200 PM HEAVY SNOW 7 SE ROCKY BOY 48.18N 109.69W
12/08/2012 E8.0 INCH HILL MT TRAINED SPOTTER

8 INCHES...NEW SNOWFALL PAST 12 HOURS...ELEVATION 5100
FT

1230 PM HEAVY SNOW SAND COULEE 47.40N 111.17W
12/08/2012 E12.0 INCH CASCADE MT PUBLIC

12 INCHES...NEW SNOWFALL PAST 12 HOURS...ELEVATION 3500
FT

0415 PM HEAVY SNOW 2 N CLANCY 46.49N 111.99W
12/08/2012 E9.0 INCH JEFFERSON MT TRAINED SPOTTER

MEASURED 24-HOUR SNOWFALL OF AROUND 9 INCHES. WATER
CONTENT 0.23 INCHES. ELEVATION 4500 FEET.

0430 PM HEAVY SNOW 1 WNW MARYSVILLE 46.76N 112.32W
12/08/2012 M16.0 INCH LEWIS AND CLARK MT PUBLIC

SKI AREA MEASURES 24-HOUR SNOWFALL OF 16.0 INCHES.
ELEVATION 5750.


&&

$$

MLV

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KFSD [090424]: Preliminary Local Storm Report

NWUS53 KFSD 090424
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1024 PM CST SAT DEC 08 2012

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

1024 PM SNOW MITCHELL 43.73N 98.03W
12/08/2012 M1.1 INCH DAVISON SD CO-OP OBSERVER


&&

$$

BT

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KJAN [090423]: Preliminary Local Storm Report...summary

NWUS54 KJAN 090423
LSRJAN

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
1023 PM CST SAT DEC 08 2012

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

0644 PM HAIL 6 W OAK GROVE 32.86N 91.49W
12/08/2012 E0.75 INCH WEST CARROLL LA TRAINED SPOTTER

TRAINED SPOTTER REPORTED PENNY SIZE HAIL

0648 PM HAIL OAK GROVE 32.86N 91.39W
12/08/2012 E0.50 INCH WEST CARROLL LA LAW ENFORCEMENT

WEST CARROLL SO REPORTED DIME SIZE HAIL

0741 PM HAIL MONEY 33.65N 90.21W
12/08/2012 E1.00 INCH LEFLORE MS EMERGENCY MNGR

0741 PM TSTM WND DMG MONEY 33.65N 90.21W
12/08/2012 LEFLORE MS EMERGENCY MNGR

TREE DOWN ACROSS A BRIDGE IN MONEY

0755 PM HAIL HOLCOMB 33.76N 89.98W
12/08/2012 E0.50 INCH GRENADA MS LAW ENFORCEMENT

DIME SIZE HAIL REPORTED BY GRENADA COUNTY SO

0805 PM HAIL 5 NW GRENADA 33.83N 89.87W
12/08/2012 E1.00 INCH GRENADA MS TRAINED SPOTTER


&&

$$

CME

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MESO: Mesoscale Discussion 2137

ACUS11 KWNS 090419
SWOMCD
SPC MCD 090418
ARZ000-OKZ000-090615-

MESOSCALE DISCUSSION 2137
NWS STORM PREDICTION CENTER NORMAN OK
1018 PM CST SAT DEC 08 2012

AREAS AFFECTED...EXTREME SERN OK INTO WRN THROUGH CNTRL AR

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 090418Z - 090615Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...SLOW BUT GRADUAL INCREASE IN THUNDERSTORM COVERAGE AND
INTENSITIES WILL LIKELY OCCUR INTO THE EARLY MORNING HOURS FROM
EXTREME SERN OK INTO WRN AND CNTRL AR. A FEW STORMS MAY BECOME
CAPABLE OF PRODUCING SMALL TO MARGINALLY SEVERE HAIL. THREAT IS
EXPECTED TO REMAIN TOO MARGINAL FOR WW ISSUANCE.

DISCUSSION...THIS EVENING A QUASI-STATIONARY FRONT EXTENDS FROM
CNTRL AR INTO SERN OK AND NRN TX. VWP DATA SHOW THE LOW LEVEL JET
HAS INCREASED TO 40 KT...AND THE RESULTING THETA-E ADVECTION WILL
CONTRIBUTE TO NWD DESTABILIZATION WITH TIME THROUGH ERN OK AND AR.
OBJECTIVE ANALYSIS INDICATES MUCAPE CURRENTLY FROM 300-500
J/KG...BUT WILL LIKELY INCREASE TO 500-1000 J/KG LATER TONIGHT.
SLIGHTLY ELEVATED STORMS WILL CONTINUE DEVELOPING WITHIN ZONE OF
ISENTROPIC ASCENT ALONG AND NORTH OF THE QUASI-STATIONARY BOUNDARY.
THE INCREASE IN INSTABILITY AND EFFECTIVE CLOUD LAYER SHEAR OF 40+
KT WILL PROMOTE A THREAT FOR UPDRAFT ROTATION AND AT LEAST A MODEST
THREAT FOR HAIL. HOWEVER...WEAK MID LEVEL LAPSE RATES SHOULD
MITIGATE OVERALL LARGE HAIL POTENTIAL.

..DIAL/EDWARDS.. 12/09/2012

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

ATTN...WFO...LZK...SHV...TSA...

LAT...LON 34119390 34159464 35039451 35449391 35409241 34789245
34119390

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KMSO [081641]: Preliminary Local Storm Report

NWUS55 KMSO 081641
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
940 AM MST SAT DEC 8 2012

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

0935 AM SNOW 2 N EVARO 47.06N 114.10W
12/08/2012 M3.0 INCH MISSOULA MT TRAINED SPOTTER



&&

$$

IRIS SYSTEM

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KFGF [081632]: Preliminary Local Storm Report

NWUS53 KFGF 081632
LSRFGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1032 AM CST SAT DEC 08 2012

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

1029 AM SNOW LIDGERWOOD 46.07N 97.15W
12/08/2012 M1.5 INCH RICHLAND ND CO-OP OBSERVER


&&

$$

HOPKINS

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KFSD [081630]: Preliminary Local Storm Report...summary

NWUS53 KFSD 081630
LSRFSD

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1030 AM CST SAT DEC 08 2012

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

0300 PM SNOW VERMILLION 42.78N 96.93W
12/07/2012 M1.0 INCH CLAY SD CO-OP OBSERVER

0325 PM SNOW SIOUX CENTER 43.08N 96.17W
12/07/2012 M1.0 INCH SIOUX IA CO-OP OBSERVER

0327 PM SNOW PLANKINTON 43.72N 98.48W
12/07/2012 E0.2 INCH AURORA SD LAW ENFORCEMENT

0330 PM SNOW 4 NNE FORESTBURG 44.08N 98.08W
12/07/2012 E1.0 INCH SANBORN SD CO-OP OBSERVER

0332 PM SNOW HOWARD 44.01N 97.52W
12/07/2012 E2.0 INCH MINER SD EMERGENCY MNGR

0333 PM SNOW SALEM 43.72N 97.39W
12/07/2012 E1.5 INCH MCCOOK SD EMERGENCY MNGR

0334 PM SNOW CHAMBERLAIN 43.81N 99.32W
12/07/2012 E1.5 INCH BRULE SD LAW ENFORCEMENT

0335 PM SNOW 2 N CHESTER 43.92N 96.93W
12/07/2012 E2.0 INCH LAKE SD CO-OP OBSERVER

0338 PM SNOW ARLINGTON 44.36N 97.13W
12/07/2012 E4.0 INCH KINGSBURY SD LAW ENFORCEMENT

0350 PM SNOW 8 ESE HOWARD 43.97N 97.37W
12/07/2012 E2.0 INCH MINER SD CO-OP OBSERVER

0357 PM SNOW IVANHOE 44.46N 96.25W
12/07/2012 E2.0 INCH LINCOLN MN EMERGENCY MNGR

0413 PM SNOW 5 N ELK POINT 42.76N 96.68W
12/07/2012 E1.5 INCH UNION SD PUBLIC

0700 PM SNOW MENNO 43.24N 97.58W
12/07/2012 M2.0 INCH HUTCHINSON SD CO-OP OBSERVER

0700 PM SNOW RAMONA 44.12N 97.21W
12/07/2012 E3.5 INCH LAKE SD EMERGENCY MNGR

3 TO 4 INCHES OF SNOW

1000 PM SNOW DE SMET 44.39N 97.55W
12/07/2012 M5.0 INCH KINGSBURY SD CO-OP OBSERVER

1158 PM SNOW MITCHELL 43.73N 98.03W
12/07/2012 M0.9 INCH DAVISON SD CO-OP OBSERVER

1159 PM SNOW SIOUX FALLS 43.54N 96.73W
12/07/2012 M0.8 INCH MINNEHAHA SD OFFICIAL NWS OBS

1159 PM SNOW HURON 44.36N 98.22W
12/07/2012 M2.8 INCH BEADLE SD NWS STORM SURVEY

1159 PM SNOW SIOUX CITY 42.50N 96.39W
12/07/2012 M0.5 INCH WOODBURY IA OFFICIAL NWS OBS

1159 PM SNOW 4 W SPIRIT LAKE 43.42N 95.19W
12/07/2012 M0.3 INCH DICKINSON IA CO-OP OBSERVER

0617 AM SNOW 6 WNW MECKLING 42.86N 97.18W
12/08/2012 M1.0 INCH YANKTON SD COCORAHS

0630 AM SNOW YANKTON 42.89N 97.39W
12/08/2012 M0.5 INCH YANKTON SD CO-OP OBSERVER

0700 AM SNOW MARION 43.42N 97.26W
12/08/2012 M0.9 INCH TURNER SD CO-OP OBSERVER

0700 AM SNOW ALEXANDRIA 43.65N 97.78W
12/08/2012 M1.0 INCH HANSON SD CO-OP OBSERVER

0700 AM SNOW ORANGE CITY 43.00N 96.06W
12/08/2012 M1.2 INCH SIOUX IA CO-OP OBSERVER

0700 AM SNOW WORTHINGTON 43.63N 95.60W
12/08/2012 M0.5 INCH NOBLES MN CO-OP OBSERVER

0700 AM SNOW WESSINGTON SPRINGS 44.08N 98.57W
12/08/2012 M1.8 INCH JERAULD SD CO-OP OBSERVER

0700 AM SNOW SHELDON 43.18N 95.84W
12/08/2012 M0.3 INCH O'BRIEN IA CO-OP OBSERVER

0700 AM SNOW WAKEFIELD 42.27N 96.87W
12/08/2012 M1.0 INCH DIXON NE CO-OP OBSERVER

0723 AM SNOW PICKSTOWN 43.07N 98.53W
12/08/2012 M0.0 INCH CHARLES MIX SD CO-OP OBSERVER

0725 AM SNOW 3 ESE SIOUX FALLS 43.52N 96.67W
12/08/2012 M1.0 INCH MINNEHAHA SD COCORAHS

0740 AM SNOW SSW BROOKINGS 44.30N 96.79W
12/08/2012 M2.0 INCH BROOKINGS SD COCORAHS

0741 AM SNOW ROCK VALLEY 43.20N 96.30W
12/08/2012 M0.5 INCH SIOUX IA CO-OP OBSERVER

0745 AM SNOW 6 NNE ELK POINT 42.76N 96.65W
12/08/2012 M1.5 INCH UNION SD COCORAHS

0746 AM SNOW 8 SW HERRICK 43.03N 99.30W
12/08/2012 M0.5 INCH GREGORY SD COCORAHS

0753 AM SNOW 5 WNW HENDRICKS 44.53N 96.52W
12/08/2012 M3.5 INCH BROOKINGS SD COCORAHS

0800 AM SNOW BROOKINGS 44.31N 96.79W
12/08/2012 M2.4 INCH BROOKINGS SD CO-OP OBSERVER

0800 AM SNOW PIPESTONE 44.00N 96.31W
12/08/2012 M3.0 INCH PIPESTONE MN CO-OP OBSERVER

0800 AM SNOW SIBLEY 43.40N 95.74W
12/08/2012 M1.0 INCH OSCEOLA IA CO-OP OBSERVER

0810 AM SNOW WHITE LAKE 43.73N 98.71W
12/08/2012 M1.0 INCH AURORA SD CO-OP OBSERVER

0823 AM SNOW AKRON 42.83N 96.56W
12/08/2012 M1.3 INCH PLYMOUTH IA CO-OP OBSERVER

0850 AM SNOW HOLSTEIN 42.49N 95.54W
12/08/2012 M0.5 INCH IDA IA CO-OP OBSERVER

0900 AM SNOW MADISON 44.01N 97.11W
12/08/2012 M2.0 INCH LAKE SD CO-OP OBSERVER

0900 AM SNOW MARSHALL 44.45N 95.79W
12/08/2012 M3.5 INCH LYON MN CO-OP OBSERVER


&&

$$

TRM

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KFGF [081630]: Preliminary Local Storm Report

NWUS53 KFGF 081630
LSRFGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
1030 AM CST SAT DEC 08 2012

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

1029 AM SNOW 6 SE PENN 48.16N 99.00W
12/08/2012 M2.9 INCH RAMSEY ND CO-OP OBSERVER


&&

$$

HOPKINS

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KGRR [081629]: Preliminary Local Storm Report

NWUS53 KGRR 081629
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1129 AM EST SAT DEC 08 2012

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

1114 AM SNOW MOUNT PLEASANT 43.60N 84.77W
12/08/2012 E1.5 INCH ISABELLA MI LAW ENFORCEMENT


&&

$$

JK

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KGRR [081628]: Preliminary Local Storm Report

NWUS53 KGRR 081628
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1128 AM EST SAT DEC 08 2012

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

1125 AM SNOW 3 WSW CANNONSBURG 43.04N 85.52W
12/08/2012 M2.5 INCH KENT MI NWS EMPLOYEE


&&

$$

JK

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KFSD [081627]: Preliminary Local Storm Report

NWUS53 KFSD 081627
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1027 AM CST SAT DEC 08 2012

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

0700 AM SNOW ORANGE CITY 43.00N 96.06W
12/08/2012 M1.2 INCH SIOUX IA CO-OP OBSERVER


&&

$$

TRM

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KBIS [081626]: Preliminary Local Storm Report

NWUS53 KBIS 081626
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1026 AM CST SAT DEC 08 2012

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

0830 AM SNOW HAZEN 47.29N 101.62W
12/08/2012 M1.0 INCH MERCER ND COCORAHS


&&

$$

LHUBER

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 081626
SWODY1
SPC AC 081623

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1023 AM CST SAT DEC 08 2012

VALID 081630Z - 091200Z

...NO SVR TSTM AREAS FORECAST...

BROAD CYCLONIC FLOW IS PRESENT TODAY OVER THE CONUS WITH SEVERAL
EMBEDDED SHORTWAVE TROUGHS ROTATING ACROSS THE WESTERN/CENTRAL
UNITED STATES. A PERSISTENT BAND OF LOW LEVEL WARM/MOIST ADVECTION
IS RESULTING IN SCATTERED SHOWERS AND THUNDERSTORMS ALONG AN AXIS
FROM SOUTHEAST TX...ACROSS PARTS OF LA/AR/MS...INTO TN/KY. THIS
PATTERN WILL PERSIST THROUGH THE DAY AND INTO TONIGHT AS AN
APPROACHING UPPER SYSTEM HELPS TO STRENGTHEN THE LOW LEVEL JET.
OVERALL CAPE VALUES ARE WEAK ALONG THIS CORRIDOR DUE TO POOR LAPSE
RATES AND LIMITED DAYTIME HEATING. HOWEVER...SOME POTENTIAL WILL
EXIST FOR ROBUST UPDRAFTS THIS AFTERNOON AND EVENING FROM EAST TX
INTO LA/AR WHERE MODELS SUGGEST MODEST HEATING/DESTABILIZATION WILL
OCCUR. LOW/MID LEVEL SHEAR WILL ALSO STRENGTHEN THROUGH THE
AFTERNOON/TONIGHT...SUPPORTING SOME RISK OF ORGANIZED STORMS. EVEN A
WEAK SUPERCELL CAPABLE OF HAIL AND GUSTY WINDS CANNOT BE RULED OUT
IN THIS AREA. HOWEVER...THE OVERALL COVERAGE OF SEVERE STORMS IS
EXPECTED TO BE LOW WITH ONLY 5 PERCENT HAIL/WIND PROBABILITIES
FORECAST AT THIS TIME.

..HART/DISPIGNA.. 12/08/2012

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KFSD [081624]: Preliminary Local Storm Report

NWUS53 KFSD 081624
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1024 AM CST SAT DEC 08 2012

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

0900 AM SNOW MADISON 44.01N 97.11W
12/08/2012 M2.0 INCH LAKE SD CO-OP OBSERVER

0900 AM SNOW MARSHALL 44.45N 95.79W
12/08/2012 M3.5 INCH LYON MN CO-OP OBSERVER


&&

$$

TRM

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KGRR [081621]: Preliminary Local Storm Report

NWUS53 KGRR 081621
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1120 AM EST SAT DEC 08 2012

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

1111 AM SNOW ST. JOHNS 43.00N 84.56W
12/08/2012 M1.5 INCH CLINTON MI TRAINED SPOTTER


&&

$$

JK

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KMPX [081612]: Preliminary Local Storm Report

NWUS53 KMPX 081612
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1012 AM CST SAT DEC 08 2012

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

0800 AM SNOW 4 SSE SILVER CREEK 45.26N 93.91W
12/08/2012 M0.5 INCH WRIGHT MN TRAINED SPOTTER

24 HOUR TOTAL


&&

$$

CARLYON

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KFSD [081608]: Preliminary Local Storm Report

NWUS53 KFSD 081608
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1008 AM CST SAT DEC 08 2012

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

0300 PM SNOW VERMILLION 42.78N 96.93W
12/07/2012 M1.0 INCH CLAY SD CO-OP OBSERVER

0325 PM SNOW SIOUX CENTER 43.08N 96.17W
12/07/2012 M1.0 INCH SIOUX IA CO-OP OBSERVER

0700 PM SNOW MENNO 43.24N 97.58W
12/07/2012 M2.0 INCH HUTCHINSON SD CO-OP OBSERVER

1000 PM SNOW DE SMET 44.39N 97.55W
12/07/2012 M5.0 INCH KINGSBURY SD CO-OP OBSERVER

1158 PM SNOW MITCHELL 43.73N 98.03W
12/07/2012 M0.9 INCH DAVISON SD CO-OP OBSERVER

1159 PM SNOW 4 W SPIRIT LAKE 43.42N 95.19W
12/07/2012 M0.3 INCH DICKINSON IA CO-OP OBSERVER

1159 PM SNOW SIOUX CITY 42.50N 96.39W
12/07/2012 M0.5 INCH WOODBURY IA OFFICIAL NWS OBS

1159 PM SNOW HURON 44.36N 98.22W
12/07/2012 M2.8 INCH BEADLE SD NWS STORM SURVEY

1159 PM SNOW SIOUX FALLS 43.54N 96.73W
12/07/2012 M0.8 INCH MINNEHAHA SD OFFICIAL NWS OBS

0617 AM SNOW 6 WNW MECKLING 42.86N 97.18W
12/08/2012 M1.0 INCH YANKTON SD COCORAHS

0630 AM SNOW YANKTON 42.89N 97.39W
12/08/2012 M0.5 INCH YANKTON SD CO-OP OBSERVER

0700 AM SNOW ALEXANDRIA 43.65N 97.78W
12/08/2012 M1.0 INCH HANSON SD CO-OP OBSERVER

0700 AM SNOW MARION 43.42N 97.26W
12/08/2012 M0.9 INCH TURNER SD CO-OP OBSERVER

0700 AM SNOW WAKEFIELD 42.27N 96.87W
12/08/2012 M1.0 INCH DIXON NE CO-OP OBSERVER

0700 AM SNOW SHELDON 43.18N 95.84W
12/08/2012 M0.3 INCH O'BRIEN IA CO-OP OBSERVER

0700 AM SNOW WESSINGTON SPRINGS 44.08N 98.57W
12/08/2012 M1.8 INCH JERAULD SD CO-OP OBSERVER

0700 AM SNOW WORTHINGTON 43.63N 95.60W
12/08/2012 M0.5 INCH NOBLES MN CO-OP OBSERVER

0723 AM SNOW PICKSTOWN 43.07N 98.53W
12/08/2012 M0.0 INCH CHARLES MIX SD CO-OP OBSERVER

0725 AM SNOW 3 ESE SIOUX FALLS 43.52N 96.67W
12/08/2012 M1.0 INCH MINNEHAHA SD COCORAHS

0740 AM SNOW SSW BROOKINGS 44.30N 96.79W
12/08/2012 M2.0 INCH BROOKINGS SD COCORAHS

0741 AM SNOW ROCK VALLEY 43.20N 96.30W
12/08/2012 M0.5 INCH SIOUX IA CO-OP OBSERVER

0745 AM SNOW 6 NNE ELK POINT 42.76N 96.65W
12/08/2012 M1.5 INCH UNION SD COCORAHS

0746 AM SNOW 8 SW HERRICK 43.03N 99.30W
12/08/2012 M0.5 INCH GREGORY SD COCORAHS

0753 AM SNOW 5 WNW HENDRICKS 44.53N 96.52W
12/08/2012 M3.5 INCH BROOKINGS SD COCORAHS

0800 AM SNOW PIPESTONE 44.00N 96.31W
12/08/2012 M3.0 INCH PIPESTONE MN CO-OP OBSERVER

0800 AM SNOW SIBLEY 43.40N 95.74W
12/08/2012 M1.0 INCH OSCEOLA IA CO-OP OBSERVER

0800 AM SNOW BROOKINGS 44.31N 96.79W
12/08/2012 M2.4 INCH BROOKINGS SD CO-OP OBSERVER

0810 AM SNOW WHITE LAKE 43.73N 98.71W
12/08/2012 M1.0 INCH AURORA SD CO-OP OBSERVER

0823 AM SNOW AKRON 42.83N 96.56W
12/08/2012 M1.3 INCH PLYMOUTH IA CO-OP OBSERVER

0850 AM SNOW HOLSTEIN 42.49N 95.54W
12/08/2012 M0.5 INCH IDA IA CO-OP OBSERVER


&&

$$

TRM

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KBIS [081606]: Preliminary Local Storm Report

NWUS53 KBIS 081606
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1006 AM CST SAT DEC 08 2012

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

0900 AM SNOW 10 SW SAWYER 47.99N 101.21W
12/08/2012 M1.5 INCH WARD ND COCORAHS


&&

$$

LHUBER

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KBIS [081605]: Preliminary Local Storm Report

NWUS53 KBIS 081605
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1005 AM CST SAT DEC 08 2012

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

0800 AM SNOW 4 NNE BOTTINEAU 48.88N 100.41W
12/08/2012 M5.0 INCH BOTTINEAU ND COCORAHS


&&

$$

LHUBER

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KFGF [081555]: Preliminary Local Storm Report

NWUS53 KFGF 081555
LSRFGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
954 AM CST SAT DEC 08 2012

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

0700 AM SNOW EDMORE 48.41N 98.45W
12/08/2012 M2.0 INCH RAMSEY ND CO-OP OBSERVER

0700 AM SNOW HAVANA 45.95N 97.62W
12/08/2012 M2.5 INCH SARGENT ND CO-OP OBSERVER

0700 AM SNOW OTTERTAIL 46.43N 95.56W
12/08/2012 M1.0 INCH OTTER TAIL MN CO-OP OBSERVER

0700 AM SNOW 3 SE BRECKENRIDGE 46.23N 96.54W
12/08/2012 M2.1 INCH WILKIN MN CO-OP OBSERVER

0825 AM SNOW 5 SE STARKWEATHER 48.40N 98.80W
12/08/2012 M2.5 INCH RAMSEY ND CO-OP OBSERVER

0825 AM SNOW 3 N SARLES 48.99N 99.00W
12/08/2012 M3.0 INCH CAVALIER ND CO-OP OBSERVER

SARLES PORT OF ENTRY

0940 AM SNOW 7 NW CAVALIER 48.87N 97.73W
12/08/2012 M1.7 INCH PEMBINA ND CO-OP OBSERVER


&&

$$

HOPKINS

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KBIS [081552]: Preliminary Local Storm Report

NWUS53 KBIS 081552
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
952 AM CST SAT DEC 08 2012

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

0825 AM SNOW KILLDEER 47.37N 102.75W
12/08/2012 M1.0 INCH DUNN ND CO-OP OBSERVER


&&

$$

ACOOPER

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KJAX [081545]: Preliminary Local Storm Report

NWUS52 KJAX 081545
LSRJAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1045 AM EST SAT DEC 08 2012

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

0738 AM DENSE FOG MAYPORT 30.38N 81.41W
12/08/2012 DUVAL FL COAST GUARD

VISIBILITIES WERE 1/4 MILE.

0740 AM DENSE FOG FLAGLER BEACH 29.47N 81.13W
12/08/2012 FLAGLER FL FIRE DEPT/RESCUE

VISIBILITIES WERE 1/2 SM TO 3/4 SM ALONG AND OVER THE
ATLANTIC OCEAN IN FLAGLER BEACH.

0740 AM DENSE FOG FERNANDINA BEACH 30.66N 81.45W
12/08/2012 NASSAU FL PUBLIC

THE FERNANDINA BEACH MARINA REPORTED VISIBILITIES OF LESS
THAN 200 HUNDRED FEET.

1020 AM DENSE FOG MAYPORT 30.38N 81.41W
12/08/2012 DUVAL FL PUBLIC

THE MAYPORT BAR PILOT REPORTED VISIBILITIES WITHIN THE
JETTIES AND OFFSHORE OF THE COAST OF ONLY SEVERAL HUNDRED
YARDS.


&&

$$

AENYEDI

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KGRR [081541]: Preliminary Local Storm Report

NWUS53 KGRR 081541
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1041 AM EST SAT DEC 08 2012

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

0943 AM SNOW ROTHBURY 43.51N 86.35W
12/08/2012 M1.5 INCH OCEANA MI PUBLIC

1001 AM SNOW 4 NNW GRAND RAPIDS 43.01N 85.68W
12/08/2012 M0.4 INCH KENT MI BROADCAST MEDIA


&&

$$

JK

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KMSO [081528]: Preliminary Local Storm Report

NWUS55 KMSO 081528
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
827 AM MST SAT DEC 8 2012

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

0820 AM HEAVY SNOW 1 S CONDON 47.51N 113.71W
12/08/2012 M5.0 INCH MISSOULA MT PUBLIC

MAJORITY OF THE SNOWFALL OCCURRED BETWEEN
2000-2300MST.

&&

$$

IRIS SYSTEM

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MESO: Mesoscale Discussion 2133

ACUS11 KWNS 081525
SWOMCD
SPC MCD 081524
NDZ000-MTZ000-081930-

MESOSCALE DISCUSSION 2133
NWS STORM PREDICTION CENTER NORMAN OK
0924 AM CST SAT DEC 08 2012

AREAS AFFECTED...ERN MT AND WRN ND

CONCERNING...HEAVY SNOW

VALID 081524Z - 081930Z

SUMMARY...A TRANSIENT THREAT OF HEAVY SNOW IS EXPECTED THIS MORNING
AND AFTERNOON AS A SNOW BAND PIVOTS ESEWD THROUGH ERN MT AND WRN ND.
INCH AN HOUR RATES WILL BE POSSIBLE...THOUGH THE DURATION OF HEAVY
SNOW MAY BE LIMITED DUE TO MIGRATORY NATURE OF THE ONGOING BAND.

DISCUSSION...THE APPROACH OF A COMPACT SHORT WAVE TROUGH /NOTED ON
WV IMAGERY OVER CNTRL MT AS OF 15Z/ IS INFLUENCING 850-700 MB
FRONTOGENESIS. AS SUCH...INCREASING UPWARD MOTION OWING TO FAVORABLE
JUXTAPOSITION OF LOW-LEVEL CONVERGENCE AND UPPER-LEVEL DIVERGENCE
WILL LIKELY MAINTAIN AN ONGOING SNOW BAND ACROSS NERN MT. LOW-LEVEL
SATURATION EVIDENCED ON THE 12Z GGW SOUNDING WILL SUPPORT INCH AN
HOUR RATES FOR AREAS BENEATH THE BAND. AS THE UPPER TROUGH
PROGRESSES SEWD WITH A SUBSEQUENT LOW-LEVEL MASS RESPONSE /DEEPENING
SURFACE PRESSURE/...THE BAND IS EXPECTED TO PIVOT SSEWD THROUGH THE
AFTERNOON...BECOMING FOCUSED EAST OF THE MCD AREA THEREAFTER. AS
THIS OCCURS...COLDER/DRIER AIR ADVECTING INTO THE REGION WILL LEAD
TO A CESSATION OF HEAVIER RATES FOR THE MCD AREA LATE THIS AFTERNOON
INTO THE EVENING.

..DISPIGNA.. 12/08/2012

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

ATTN...WFO...BIS...BYZ...GGW...

LAT...LON 47470758 48120589 48200321 47710193 47450164 46850202
46430239 45950427 45610556 45560692 45730760 46590769
47470758

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KDTX [081524]: Preliminary Local Storm Report

NWUS53 KDTX 081524
LSRDTX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1024 AM EST SAT DEC 08 2012

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

1020 AM SNOW 5 W SAGINAW 43.42N 84.05W
12/08/2012 M3.1 INCH SAGINAW MI TRAINED SPOTTER

...WET HEAVY SNOW... SNOWFALL SINCE 3AM


&&

$$

DELLIOTT

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KBIS [081523]: Preliminary Local Storm Report

NWUS53 KBIS 081523
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
923 AM CST SAT DEC 08 2012

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

0815 AM SNOW 1 E DUNN CENTER 47.35N 102.60W
12/08/2012 M2.0 INCH DUNN ND CO-OP OBSERVER


&&

$$

ACOOPER

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KBIS [081440]: Preliminary Local Storm Report

NWUS53 KBIS 081440
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
840 AM CST SAT DEC 08 2012

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

0800 AM SNOW ASHLEY 46.03N 99.37W
12/08/2012 M1.7 INCH MCINTOSH ND CO-OP OBSERVER


&&

$$

ACOOPER

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KBIS [081415]: Preliminary Local Storm Report

NWUS53 KBIS 081415
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
815 AM CST SAT DEC 08 2012

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

0800 AM SNOW MINOT 48.23N 101.30W
12/08/2012 M2.3 INCH WARD ND CO-OP OBSERVER


&&

$$

ACOOPER

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KBIS [081404]: Preliminary Local Storm Report

NWUS53 KBIS 081404
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
804 AM CST SAT DEC 08 2012

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

0500 AM SNOW LANSFORD 48.63N 101.38W
12/08/2012 M3.0 INCH BOTTINEAU ND CO-OP OBSERVER


&&

$$

LHUBER

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KMSO [081345]: Preliminary Local Storm Report

NWUS55 KMSO 081345
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
644 AM MST SAT DEC 8 2012

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

1030 PM HEAVY SNOW 5 SE CRESTON 48.14N 114.07W
12/07/2012 M8.0 INCH FLATHEAD MT PUBLIC

HEAVIEST SNOW FELL AFTER 1800MST

&&

$$

IRIS SYSTEM

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KGRR [081336]: Preliminary Local Storm Report

NWUS53 KGRR 081336
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
836 AM EST SAT DEC 08 2012

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

0835 AM SNOW 1 ESE GREENVILLE 43.17N 85.24W
12/08/2012 M2.3 INCH MONTCALM MI TRAINED SPOTTER


&&

$$

OSTUNO

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KMSO [081322]: Preliminary Local Storm Report

NWUS55 KMSO 081322
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
621 AM MST SAT DEC 8 2012

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

0600 AM HEAVY SNOW 1 W BONNER 46.87N 113.89W
12/08/2012 M8.0 INCH MISSOULA MT COCORAHS

WAS GETTING UP TO 2 INCHES PER HOUR AT TIMES
BETWEEN 1800-2300MST LAST NIGHT

&&

$$

IRIS SYSTEM

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KDTX [081319]: Preliminary Local Storm Report

NWUS53 KDTX 081319
LSRDTX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
819 AM EST SAT DEC 08 2012

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

0805 AM SNOW 3 NW SAGINAW 43.45N 83.99W
12/08/2012 M1.3 INCH SAGINAW MI COCORAHS

...SINCE 3AM...


&&

$$

DELLIOTT

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 081236
SWODY1
SPC AC 081234

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0634 AM CST SAT DEC 08 2012

VALID 081300Z - 091200Z

...NO SVR TSTM AREAS FORECAST...

...ERN TX/OK TO KY/TN THROUGH TONIGHT...
WITHIN A BROAD CYCLONIC FLOW REGIME OVER THE CONUS...ONE SHORTWAVE
TROUGH WILL EJECT ENEWD FROM THE GREAT LAKES TO NEW ENGLAND...AS AN
UPSTREAM TROUGH AMPLIFIES OVER THE NRN/CENTRAL ROCKIES. AT THE
SURFACE...A QUASI-STATIONARY FRONT FROM CENTRAL TX TO THE LOWER OH
VALLEY THIS MORNING WILL DRIFT A LITTLE TO THE N IN RESPONSE TO
PRESSURE FALLS ACROSS THE CENTRAL PLAINS. THIS FRONT WILL PROVIDE
THE PRIMARY FOCUS FOR THUNDERSTORM DEVELOPMENT THROUGH TONIGHT.

S OF THE SLOW-MOVING FRONT...BOUNDARY LAYER DEWPOINTS RANGE FROM THE
UPPER 50S ACROSS TN/KY TO THE MID-UPPER 60S ALONG THE TX COAST.
DAYTIME HEATING IN CLOUD BREAKS /MOST PROBABLE FROM E CENTRAL TX
INTO NW LA/ AND MIDLEVEL LAPSE RATES OF 6.5-7 C/KM WILL CONTRIBUTE
TO MLCAPE OF 750-1250 J/KG ALONG THE FRONT THIS AFTERNOON. THOUGH
FORCING FOR ASCENT WILL BE WEAK...A FEW THUNDERSTORMS MAY DEVELOP
ALONG THE BOUNDARY AS CONVECTIVE INHIBITION WEAKENS BY MID-LATE
AFTERNOON. THE DEGREE OF BUOYANCY WILL BE SUFFICIENT FOR A
LOW-PROBABILITY RISK FOR ORGANIZED STORMS WITH STRONG GUSTS AND
MARGINALLY SEVERE HAIL...GIVEN 30-40 KT EFFECTIVE BULK SHEAR.
OVERNIGHT...THE THREAT FOR ELEVATED THUNDERSTORMS WILL INCREASE
ACROSS ERN OK AND AR IN A STRENGTHENING WAA REGIME. ELEVATED
INSTABILITY AND SUFFICIENT CLOUD LAYER VERTICAL SHEAR MAY SUPPORT A
FEW STORMS CAPABLE OF PRODUCING MARGINALLY SEVERE HAIL.

..THOMPSON/ROGERS.. 12/08/2012

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KARX [081119]: Preliminary Local Storm Report

NWUS53 KARX 081119
LSRARX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
0517 AM CST SAT DEC 08 2012

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

0454 AM SNOW MEDFORD 45.14N 90.35W
12/08/2012 E0.8 INCH TAYLOR WI PUBLIC
6 HOURS.

0500 AM SNOW OWEN 44.95N 90.57W
12/08/2012 E0.2 INCH CLARK WI PUBLIC
6 HOURS.

0514 AM SNOW MANTORVILLE 44.07N 92.76W
12/08/2012 E0.1 INCH DODGE MN PUBLIC
6 HOURS.

0514 AM SNOW WABASHA 44.37N 92.04W
12/08/2012 E0.1 INCH WABASHA MN PUBLIC
6 HOURS.

0515 AM SNOW ROCHESTER 44.02N 92.48W
12/08/2012 E0.1 INCH OLMSTED MN PUBLIC
6 HOURS.

0517 AM SNOW MONDOVI 44.57N 91.67W
12/08/2012 E0.0 INCH BUFFALO WI PUBLIC
6 HOURS ...TRACE REPORTED

&&

$$

WETENKAMP

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 080956
SWOD48
SPC AC 080955

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0355 AM CST SAT DEC 08 2012

VALID 111200Z - 161200Z

...DISCUSSION...
MODELS CONTINUE TO INDICATE THE AMPLIFICATION OF AN UPPER IMPULSE
WITHIN A BELT OF WESTERLIES...CURVING AROUND AN EASTERN PACIFIC
UPPER RIDGE INTO LINGERING BROAD UPPER TROUGHING OVER NORTH
AMERICA...BY THE MIDDLE OF NEXT WEEK. AS THIS FEATURE DIGS TOWARD
THE CALIFORNIA COAST...GUIDANCE INDICATES INTERACTION WITH A BELT OF
WESTERLIES EMANATING FROM THE SUBTROPICAL EASTERN PACIFIC...LEADING
TO THE DEVELOPMENT OF A STRONG UPPER JET ACROSS THE CENTRAL AND
SOUTHERN TIER OF THE U.S. LATE NEXT WEEK INTO NEXT WEEKEND. IT DOES
NOT APPEAR OUT OF THE QUESTION THAT THIS INITIAL IMPULSE COULD
CONTRIBUTE TO SIGNIFICANT SURFACE CYCLOGENESIS TO THE LEE OF THE
CENTRAL AND SOUTHERN ROCKIES NEXT FRIDAY/ SATURDAY. AND MOISTURE
RETURN OFF THE WESTERN GULF OF MEXICO... COUPLED WITH STEEPENING
MID-LEVEL LAPSE RATES...MAY CONTRIBUTE TO SUFFICIENT DESTABILIZATION
FOR A SUBSTANTIVE INCREASE IN POTENTIAL FOR SEVERE STORM DEVELOPMENT
FROM PARTS OF THE CENTRAL AND SOUTHERN PLAINS EASTWARD INTO PARTS OF
THE MID SOUTH AND CENTRAL/ EASTERN GULF STATES.
HOWEVER...UNCERTAINTIES REMAIN FAR TOO LARGE TO ATTEMPT TO ASCERTAIN
AND DELINEATE THE RISK FOR A REGIONAL SEVERE WEATHER EVENT.

..KERR.. 12/08/2012

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KPBZ [080913]: Preliminary Local Storm Report

NWUS51 KPBZ 080913
LSRPBZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
413 AM EST SAT DEC 08 2012

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

0410 AM HEAVY RAIN 3 E PITTSBURGH 40.44N 79.92W
12/08/2012 E1.30 INCH ALLEGHENY PA TRAINED SPOTTER


&&

EVENT NUMBER PBZ1201228

$$

TGREEN

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 080817
SWODY3
SPC AC 080816

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0216 AM CST SAT DEC 08 2012

VALID 101200Z - 111200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
ANY PHASING OF A PAIR OF SHORT WAVE IMPULSES DIGGING INTO LARGER
SCALE UPPER TROUGHING ENCOMPASSING MUCH OF NORTH AMERICA APPEARS
LIKELY TO BE SHORT-LIVED. THE SPREAD AMONG THE MODELS AND MODEL
ENSEMBLES CONTINUES TO INCREASE DURING THIS PERIOD CONCERNING SHORT
WAVE DEVELOPMENTS. BUT GUIDANCE GENERALLY SUGGESTS THAT THE
LARGE-SCALE TROUGH WILL BROADEN...AS THE NORTHERN IMPULSE LIFTS
NORTHEAST OF THE GREAT LAKES REGION THROUGH EASTERN CANADA. THE
PRIMARY ASSOCIATED SURFACE CYCLONE MAY CONTINUE TO DEEPEN AS IT
MIGRATES FROM THE LOWER GREAT LAKES REGION THROUGH THE CANADIAN
MARITIMES. AND DEEP LAYER WEST SOUTHWESTERLY MEAN FLOW MAY CONTINUE
TO STRENGTHEN ACROSS THE COLD FRONT...APPROACHING THE APPALACHIANS
AND LOWER MISSISSIPPI VALLEY/WESTERN GULF COAST EARLY IN THE
PERIOD...EASTWARD THROUGH THE ATLANTIC SEABOARD. HOWEVER...THE
SURFACE FRONT IS EXPECTED TO OUTPACE COOLING ALOFT...AND SECONDARY
FRONTAL WAVE DEVELOPMENT IS FORECAST TO REMAIN WEAK...AS THE
SOUTHERN SHORT WAVE IMPULSE LIFTS NORTHEAST OF THE SOUTHERN PLAINS
AND BECOMES INCREASINGLY SHEARED AS IT PROGRESSES ACROSS THE OHIO
VALLEY INTO THE NORTHEAST.

POTENTIAL FOR THUNDERSTORM ACTIVITY MAY PERSIST AHEAD OF THE
EASTWARD ADVANCING COLD FRONT ACROSS A LARGE PORTION OF THE EASTERN
U.S. ON MONDAY. HOWEVER..PROBABILITIES APPEAR GENERALLY LOW...AND
MOSTLY NEAR THE MINIMUM 10 PERCENT THRESHOLD FOR A CATEGORICAL
THUNDERSTORM LINE...AS WEAK LAPSE RATES LIMIT CAPE... AND
LARGE-SCALE FORCING FOR UPWARD VERTICAL MOTION GENERALLY WEAKENS.

...PARTS OF THE NRN GULF STATES INTO THE CUMBERLAND PLATEAU...
IT DOES NOT APPEAR OUT OF THE QUESTION THAT FORCING ASSOCIATED WITH
THE SOUTHERN IMPULSE COULD CONTRIBUTE TO STRONG ENOUGH LIFT IN A
PRE-FRONTAL CORRIDOR SPREADING ACROSS THE REGION DURING THE LATE
MORNING/AFTERNOON TO SUPPORT CONVECTIVE DEVELOPMENT. AND FORECAST
SOUNDINGS SUGGEST THAT...WHILE WEAK...CAPE MAY EXTEND THROUGH THE
FAVORABLE MIXED PHASE LAYER FOR CHARGE SEPARATION AND LIGHTNING.
EMBEDDED WITHIN A 40-50+ KT WEST SOUTHWESTERLY DEEP LAYER MEAN
FLOW...ACTIVITY COULD BECOME VIGOROUS ENOUGH TO ENHANCE THE DOWNWARD
TRANSFER OF HIGHER MOMENTUM TO THE SURFACE WITH POTENTIALLY DAMAGING
WIND GUSTS.

..KERR.. 12/08/2012

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KMSO [080800]: Preliminary Local Storm Report

NWUS55 KMSO 080800
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
1259 AM MST SAT DEC 8 2012

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

1155 PM HEAVY SNOW 6 NW MISSOULA 46.92N 114.09W
12/07/2012 M7.7 INCH MISSOULA MT MESONET

REPORTED AT COOP STATION MSOM8 HEAVY SNOW
DURATION 24 HOURS

&&

$$

IRIS SYSTEM

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KMSO [080731]: Preliminary Local Storm Report

NWUS55 KMSO 080731
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
1230 AM MST SAT DEC 8 2012

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

1100 PM HEAVY SNOW 2 NNE MISSOULA 46.90N 113.97W
12/07/2012 M8.8 INCH MISSOULA MT MESONET

REPORTED AT COOP STATION MSAM8 HEAVY SNOW
DURATION 24 HOURS

&&

$$

IRIS SYSTEM

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KMSO [080714]: Preliminary Local Storm Report

NWUS55 KMSO 080714
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
1214 AM MST SAT DEC 08 2012

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

1021 PM SNOW 2 NW KALISPELL 48.22N 114.34W
12/07/2012 M5.6 INCH FLATHEAD MT PUBLIC

SINCE 2PM MST ON THE 7TH


&&

$$

NESTER

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KMPX [080708]: Preliminary Local Storm Report

NWUS53 KMPX 080708
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
107 AM CST SAT DEC 08 2012

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

1000 PM SNOW 1 WNW PRIOR LAKE 44.73N 93.45W
12/07/2012 M1.1 INCH SCOTT MN TRAINED SPOTTER


&&

$$

JLT

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KMPX [080707]: Preliminary Local Storm Report

NWUS53 KMPX 080707
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
107 AM CST SAT DEC 08 2012

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

0100 AM SNOW SHAKOPEE 44.77N 93.48W
12/08/2012 M1.3 INCH SCOTT MN TRAINED SPOTTER


&&

$$

JLT

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KMPX [080634]: Preliminary Local Storm Report

NWUS53 KMPX 080634
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1234 AM CST SAT DEC 08 2012

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

1230 AM SNOW SACRED HEART 44.78N 95.35W
12/08/2012 M1.1 INCH RENVILLE MN TRAINED SPOTTER


&&

$$

JLT

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KMPX [080606]: Preliminary Local Storm Report

NWUS53 KMPX 080606
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1206 AM CST SAT DEC 08 2012

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

1205 AM SNOW 1 W NEW PRAGUE 44.55N 93.59W
12/08/2012 M1.4 INCH SCOTT MN TRAINED SPOTTER


&&

$$

JLT

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 080601
SWODY2
SPC AC 080600

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1200 AM CST SAT DEC 08 2012

VALID 091200Z - 101200Z

...THERE IS A SLGT RISK OF SVR TSTMS LATE SUN AFTN AND SUN EVE
ACROSS PARTS OF CNTRL/SRN AND ERN AR...NE TX...NRN LA...NW MS AND
WRN TN...

...SYNOPSIS...
WITHIN LARGE-SCALE UPPER TROUGHING ENCOMPASSING MUCH OF INTERIOR
NORTH AMERICA...IT STILL APPEARS THAT SOME PHASING OF EMBEDDED SHORT
WAVE IMPULSES WILL LEAD TO SHARPENING ALONG A POSITIVELY TILTED AXIS
EXTENDING FROM NORTHWESTERN ONTARIO THROUGH THE TEXAS BIG BEND
REGION BY 12Z MONDAY. SIZABLE SPREAD PERSISTS AMONG THE MODELS AND
MODEL ENSEMBLES CONCERNING THE DETAILS OF THE SHORT WAVE
DEVELOPMENTS...BUT IT APPEARS THAT THE LEAD IMPULSE SHIFTING EAST OF
THE NORTHERN PLAINS EARLY IN THE PERIOD MAY REMAIN MOST PROMINENT AS
IT CONTINUES EAST NORTHEASTWARD ACROSS THE UPPER MIDWEST AND GREAT
LAKES REGION. THIS FEATURE IS EXPECTED TO SUPPORT PRIMARY SURFACE
CYCLOGENESIS...MAINLY EAST OF THE MIDDLE MISSISSIPPI VALLEY INTO
SOUTHERN ONTARIO LATE IN THE PERIOD.

A SIGNIFICANT COLD INTRUSION PROBABLY WILL SURGE MORE RAPIDLY
SOUTHWARD THROUGH THE SOUTHERN PLAINS THAN EASTWARD INTO THE LOWER
MISSISSIPPI VALLEY...AS A SOUTHERLY RETURN FLOW OFF THE WESTERN GULF
OF MEXICO CONTRIBUTES TO PRE-FRONTAL MOISTENING. A NARROW CORRIDOR
OF PRECIPITABLE WATER IN EXCESS OF 1 INCH MAY REACH THE UPPER OHIO
VALLEY/LOWER GREAT LAKES REGION BY LATE SUNDAY NIGHT...WITH VALUES
OF 1.25 TO 1.5 INCHES ACROSS THE WESTERN GULF COAST INTO THE LOWER
MISSISSIPPI VALLEY. COUPLED WITH INCREASING FORCING FOR UPWARD
VERTICAL MOTION...DESTABILIZATION PROBABLY WILL BE SUFFICIENT TO
SUPPORT CONSIDERABLE THUNDERSTORM ACTIVITY FROM PORTIONS OF THE
SOUTHERN PLAINS INTO THE LOWER OHIO AND TENNESSEE VALLEYS...AND
PERHAPS PARTS OF THE LOWER GREAT LAKES REGION.

...CNTRL/SRN AND ERN AR...NE TX...NRN LA...NWRN MS...WRN TN...
ALTHOUGH SOUTH/SOUTHWESTERLY LOW-LEVEL JET STRENGTHENING LIKELY WILL
BE STRONGEST TO THE NORTHEAST OF THE REGION LATE IN THE
PERIOD...MODEST STRENGTHENING OF 850 MB FLOW TO 30-40 KT STILL
APPEARS POSSIBLE ACROSS PARTS OF THE ARKLATEX REGION INTO UPPER
PORTIONS OF THE LOWER MISSISSIPPI VALLEY SUNDAY EVENING. THIS IS
EXPECTED TO OCCUR AS A SHORT WAVE IMPULSE /LIKELY DIGGING UPSTREAM
THROUGH MUCH OF THE DAY SUNDAY/ FINALLY BEGINS TO ACCELERATE EAST OF
THE SOUTHERN ROCKIES. THIS MAY ALSO CONTRIBUTE TO AN INCREASINGLY
DIVERGENT UPPER FLOW FIELD ACROSS SOUTHERN/EASTERN ARKANSAS AND
ADJACENT STATES...WHERE VERTICAL SHEAR AND FORCING FOR UPWARD
VERTICAL MOTION MAY SUPPORT SQUALL LINE EVOLUTION. A WINDOW OF
OPPORTUNITY APPEARS TO EXIST FOR POTENTIALLY DAMAGING WIND
GUSTS...AS WELL AS LARGE HAIL...BEFORE ACTIVITY SPREADS INTO A LESS
STABLE ENVIRONMENT TO THE EAST AND WEAKENS OVERNIGHT.

PEAK BOUNDARY LAYER DESTABILIZATION IS EXPECTED DURING THE LATE
AFTERNOON AND EARLY EVENING HOURS ALONG A PRE-FRONTAL CORRIDOR
ACROSS THE ARKLATEX INTO CENTRAL ARKANSAS. BEFORE STRONGER FORCING
DEVELOPS...SCATTERED DISCRETE STORM DEVELOPMENT IS POSSIBLE IN THE
PRESENCE OF 500-1000 J/KG OF MIXED LAYER CAPE. FORECAST SOUNDINGS
ARE SUGGESTIVE OF STRONG...BUT MOSTLY UNIDIRECTIONAL VERTICAL SHEAR.
HOWEVER...LOW-LEVEL HODOGRAPHS MAY BECOME SUFFICIENTLY LARGE TO
SUPPORT AT LEAST SOME TORNADIC POTENTIAL.

..KERR.. 12/08/2012

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 080552
SWODY1
SPC AC 080550

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1150 PM CST FRI DEC 07 2012

VALID 081200Z - 091200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

BROAD CYCLONIC FLOW REGIME WILL PERSIST ACROSS THE NATION SATURDAY
WITH A GENERAL AMPLIFICATION OF A TROUGH OVER THE NRN AND CNTRL
ROCKIES IN ASSOCIATION WITH A STRONG UPPER JET MAX NOW DROPPING SEWD
INTO THE PACIFIC NW. PROGRESSIVE SHORTWAVE TROUGH OVER THE UPPER MS
VALLEY WILL MOVE THROUGH THE GREAT LAKES...REACHING THE NERN STATES
SATURDAY NIGHT. COLD FRONT ACCOMPANYING THIS FEATURE WILL CONTINUE
THROUGH THE NERN STATES...BUT TRAILING SECTIONS WILL STALL FROM NRN
TX THROUGH AR...AND MAY BEGIN A SLIGHT NWD RETREAT SATURDAY NIGHT.
MEANWHILE A STRONG COLD FRONT WILL ACCELERATE SEWD THROUGH THE
PLAINS...LIKELY EXTENDING FROM NWRN TX THROUGH KS INTO THE UPPER MS
VALLEY BY THE END OF THIS PERIOD.

...ERN OK AND NERN TX THROUGH LOWER MS AND TN VALLEY REGIONS...

MODIFIED CP AIR WITH DEWPOINTS IN THE LOW TO MID 60S WILL CONTINUE
TO ADVECT NEWD THROUGH THE WARM SECTOR ACROSS ERN TX INTO THE LOWER
MS VALLEY REGION. WHERE LOW CLOUDS MIX OUT...DIABATIC WARMING WILL
LIKELY BOOST MLCAPE TO AROUND 1000 J/KG ACROSS ERN TX WITH WEAKER
INSTABILITY FARTHER NORTH INTO THE LOWER MS VALLEY. A FEW SHOWERS
AND A COUPLE ISOLATED THUNDERSTORMS CANNOT BE RULED OUT SATURDAY
AFTERNOON...BUT CONVECTIVE POTENTIAL DURING THE DAY WILL PROBABLY
REMAIN LIMITED OWING TO WEAK FORCING AND LIKELIHOOD OF AT LEAST A
MODEST CAP.

THUNDERSTORM POTENTIAL SHOULD IMPROVE SATURDAY NIGHT FROM ERN OK AND
ESPECIALLY THE LOWER MS VALLEY NORTH OF STALLED BOUNDARY WITHIN ZONE
OF DESTABILIZATION AND ISENTROPIC ASCENT ASSOCIATED WITH
STRENGTHENING LLJ. THIS ACTIVITY WILL LIKELY BE ELEVATED ABOVE THE
STABLE SFC LAYER. THREAT FOR MARGINALLY SEVERE HAIL CANNOT BE RULED
OUT GIVEN EFFECTIVE CLOUD LAYER SHEAR IN EXCESS OF 40
KT...ESPECIALLY FROM ERN OK INTO WRN AR WHERE INSTABILITY MAY BE
SLIGHTLY GREATER. MODEST MID LEVEL LAPSE RATES SHOULD SERVE AS AN
OVERALL LIMITING FACTOR FOR A MORE ROBUST HAIL THREAT.

..DIAL/MOSIER.. 12/08/2012

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KMSO [080524]: Preliminary Local Storm Report

NWUS55 KMSO 080524
LSRMSO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
1024 PM MST FRI DEC 07 2012

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

1021 PM SNOW 5 N BIGFORK 48.14N 114.07W
12/07/2012 M0.0 INCH FLATHEAD MT PUBLIC

5.5 ON HIGHWAY 35 5N

1021 PM SNOW 5 N BIGFORK 48.14N 114.07W
12/07/2012 M5.5 INCH FLATHEAD MT PUBLIC

5 N OF BIGFORK ON HIGHWAY 35


&&

$$

NESTER

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KPDT [080505]: Preliminary Local Storm Report

NWUS56 KPDT 080505
LSRPDT

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OR
905 PM PST FRI DEC 07 2012

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

0630 AM HEAVY SNOW 7 NNW EASTON 47.32N 121.25W
12/07/2012 M6.0 INCH KITTITAS WA TRAINED SPOTTER

6 INCHES OF VERY WET SNOW ACCUMULATION FROM 8 PM TO DAWN.


0800 AM HEAVY SNOW 7 NW EASTON 47.32N 121.28W
12/07/2012 M12.0 INCH KITTITAS WA PUBLIC

12 INCHES OF SNOW IN PAST 24 HOURS.


&&

$$

JJSMITH

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KMSO [080504]: Preliminary Local Storm Report...summary

NWUS55 KMSO 080504
LSRMSO

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MISSOULA MT
1003 PM MST FRI DEC 7 2012

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

0940 PM HEAVY SNOW 4 NW NOXON 48.04N 115.84W
12/07/2012 M13.4 INCH SANDERS MT TRAINED SPOTTER

HEAVY SNOW DURATION 30 HOURS


0838 PM HEAVY SNOW 3 ESE TURAH 46.81N 113.78W
12/07/2012 E4.0 INCH MISSOULA MT TRAINED SPOTTER

CURRENTLY EXPERIENCING HEAVY SNOW. HEAVY
SNOW DURATION 4 HOURS 30 MINUTES


0830 PM HEAVY SNOW 1 SW MISSOULA 46.86N 114.01W
12/07/2012 M6.0 INCH MISSOULA MT NWS EMPLOYEE

6" OF SNOW FROM 5:30PM TO 8:30PM. HEAVY SNOW
DURATION 3 HOURS


0820 PM HEAVY SNOW 2 NW EAST MISSOULA 46.89N 113.97W
12/07/2012 M6.5 INCH MISSOULA MT NWS EMPLOYEE

RATTLESNAKE VALLEY SINCE 530 MST.


0800 PM HEAVY SNOW 6 WNW MISSOULA 46.92N 114.09W
12/07/2012 M4.5 INCH MISSOULA MT OFFICIAL NWS OB

1.7 INCHES FELL FROM 735 TO 800 PM MST.
WINDS WERE GUSTING TO 35 MPH.


0737 PM HEAVY SNOW HUSON 47.03N 114.33W
12/07/2012 M3.5 INCH MISSOULA MT TRAINED SPOTTER

ROADS ARE COVERED, VISIBILITIES ARE LESS
THAN 1/4 MILE. HEAVY SNOW DURATION 2 HOURS


0655 PM SNOW DAYTON 47.87N 114.28W
12/07/2012 E2.0 INCH LAKE MT TRAINED SPOTTER

SNOW DURATION 3 HOURS


0650 PM SNOW 1 SW MISSOULA 46.86N 114.01W
12/07/2012 E2.0 INCH MISSOULA MT NWS EMPLOYEE

SNOW DURATION 1 HOUR


0645 PM TSTM WND GST 6 SSE DENT 46.55N 116.16W
12/07/2012 E45 MPH CLEARWATER ID TRAINED SPOTTER

BRIEF PERIOD OF HEAVY SNOW WITH LIGHTNING.
VISIBILITIES LESS THAN ONE QUARTER MILE.
TSTM WND GST DURATION


0639 PM SNOW 2 NW EAST MISSOULA 46.89N 113.97W
12/07/2012 M2.0 INCH MISSOULA MT NWS EMPLOYEE

RATTLESNAKE VALLEY


0526 PM SNOW HAPPYS INN 48.08N 115.15W
12/07/2012 E10.0 INCH LINCOLN MT LAW ENFORCEMENT

HEAVY SNOW AT TIME OF REPORT. 4 TO 6 INCHES
OF SNOW ON ROAD. SNOW DURATION 24 HOURS


0338 PM SNOW 6 NE HERON 48.12N 115.85W
12/07/2012 M5.0 INCH SANDERS MT TRAINED SPOTTER

7.5" ON THE GROUND. SNOWFALL RATE 1" PER
HOUR AT TIME OF REPORT. SNOW DURATION 7
HOURS 38 MINUTES


0328 PM SNOW 1 W HUNGRY HORSE 48.39N 114.08W
12/07/2012 M2.5 INCH FLATHEAD MT TRAINED SPOTTER

SNOW DURATION 9 HOURS 30 MINUTES


0315 PM SNOW WEST GLACIER 48.50N 113.98W
12/07/2012 M6.0 INCH FLATHEAD MT PARK/FOREST SERVI

SNOW DURATION 24 HOURS



&&

$$

IRIS SYSTEM

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