KMEG [180446]: Preliminary Local Storm Report...corrected

NWUS54 KMEG 180446
LSRMEG

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MEMPHIS TN
1046 PM CST TUE FEB 17 2009

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

1033 PM HAIL 4 SW GERMANTOWN 35.05N 89.84W
02/17/2009 E0.75 INCH SHELBY TN NWS EMPLOYEE

HAIL TO 3/4 OF AN INCH AT INTERSTATE 240 AND LAMAR EXIT

1035 PM HAIL 5 SW GERMANTOWN 35.04N 89.85W
02/17/2009 E1.00 INCH SHELBY TN TRAINED SPOTTER

HAIL TO 1 INCH AT INTERSTATE 240 AND GETWELL EXIT

&&

$$

DSV

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KMEG [180445]: Preliminary Local Storm Report...summary

NWUS54 KMEG 180445
LSRMEG

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
1045 PM CST TUE FEB 17 2009

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

1033 PM HAIL 4 SW GERMANTOWN 35.05N 89.84W
02/17/2009 E0.75 INCH SHELBY TN NWS EMPLOYEE

HAIL TO 3/4 OF AN INCH AT INTERSTATE 240 AND LAMAR EXIT

1035 PM HAIL 4 SW GERMANTOWN 35.05N 89.84W
02/17/2009 E1.00 INCH SHELBY TN TRAINED SPOTTER

HAIL TO 1 INCH AT INTERSTATE 240 AND GETWELL EXIT

&&

$$

DSV

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KARX [180438]: Preliminary Local Storm Report

NWUS53 KARX 180438
LSRARX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
1038 PM CST TUE FEB 17 2009

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

1036 PM SNOW 4 NNE NEILLSVILLE 44.61N 90.56W
02/17/2009 E1.5 INCH CLARK WI PUBLIC

SOME ACCUMULATION ON AREA ROADS

&&

$$

SHEA

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KMEG [180437]: Preliminary Local Storm Report

NWUS54 KMEG 180437
LSRMEG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
1037 PM CST TUE FEB 17 2009

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

1033 PM HAIL 4 SW GERMANTOWN 35.05N 89.84W
02/17/2009 E1.00 INCH SHELBY TN NWS EMPLOYEE

HAIL TO 1 INCH AT INTERSTATE 240 AND GETWELL...LAMAR
EXITS

&&

$$

DSV

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KTSA [180419]: Preliminary Local Storm Report

NWUS54 KTSA 180419
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1019 PM CST TUE FEB 17 2009

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

1015 PM HAIL FAIRMOUNT 36.23N 94.45W
02/17/2009 E0.88 INCH BENTON AR LAW ENFORCEMENT

&&

$$

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KSGF [180419]: Preliminary Local Storm Report

NWUS53 KSGF 180419
LSRSGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1019 PM CST TUE FEB 17 2009

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

1005 PM HAIL 1 N SHELL KNOB 36.65N 93.63W
02/17/2009 E1.75 INCH BARRY MO COUNTY OFFICIAL

&&

$$

LINDENBERG

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KCYS [180411]: Preliminary Local Storm Report

NWUS55 KCYS 180411
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
911 PM MST TUE FEB 17 2009

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

0905 PM SNOW SAGE CREEK BASIN 41.40N 107.26W
02/17/2009 M8.4 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW DIVIDE PEAK 41.30N 107.15W
02/17/2009 M12.0 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW BATTLE MOUNTAIN 41.05N 107.27W
02/17/2009 M8.4 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW SANDSTONE RANGER STATIO 41.11N 107.17W
02/17/2009 M12.0 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW OLD BATTLE 41.15N 106.97W
02/17/2009 M7.5 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW WEBBER SPRINGS 41.16N 106.93W
02/17/2009 M10.5 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW LITTLE SNAKE RIVER 41.07N 106.94W
02/17/2009 M7.0 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW WHISKEY PARK 41.00N 106.91W
02/17/2009 M6.0 INCH CARBON WY PARK/FOREST SRVC

0905 PM SLEET SOUTH BRUSH CREEK 41.33N 106.50W
02/17/2009 M10.50 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW NORTH FRENCH CREEK 41.33N 106.38W
02/17/2009 M16.5 INCH CARBON WY PARK/FOREST SRVC

0905 PM SNOW BROOKLYN LAKE 41.36N 106.23W
02/17/2009 M10.5 INCH ALBANY WY PARK/FOREST SRVC

&&

$$

BCHAPMAN

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KTSA [180410]: Preliminary Local Storm Report

NWUS54 KTSA 180410
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1010 PM CST TUE FEB 17 2009

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

0958 PM TSTM WND GST COLCORD 36.26N 94.69W
02/17/2009 E65 MPH DELAWARE OK EMERGENCY MNGR

&&

$$

RBD

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KPIH [180357]: Preliminary Local Storm Report

NWUS55 KPIH 180357 CCA
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
621 PM MST TUE FEB 17 2009...CORRECTION

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

0620 PM SNOW 5 ESE DAYTON 42.09N 111.87W
02/17/2009 E8.0 INCH FRANKLIN ID TRAINED SPOTTER

STORM TOTAL.

&&

$$

PANGEL

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KDLH [180356]: Preliminary Local Storm Report

NWUS53 KDLH 180356
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
956 PM CST TUE FEB 17 2009

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

0955 PM SNOW KABETOGAMA 48.44N 93.03W
02/17/2009 M6.8 INCH ST. LOUIS MN TRAINED SPOTTER

&&

$$

SCW

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MESO: Mesoscale Discussion 0117

ACUS11 KWNS 180345
SWOMCD
SPC MCD 180345
TNZ000-MSZ000-MOZ000-ARZ000-LAZ000-OKZ000-180545-

MESOSCALE DISCUSSION 0117
NWS STORM PREDICTION CENTER NORMAN OK
0945 PM CST TUE FEB 17 2009

AREAS AFFECTED...PORTIONS CENTRAL/SRN/ERN AR...NERN LA...WRN/NRN
MS...SWRN TN...OZARKS OF AR/MO/OK.

CONCERNING...SEVERE THUNDERSTORM WATCH 22...

VALID 180345Z - 180545Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 22
CONTINUES.

CONTINUE VALID PORTIONS WW. WFO SHV COUNTIES HAVE BEEN CLEARED AS
STRONGEST CONVECTION WITHIN WW HAS MOVED NEWD OVER SERN AR AND
EXTREME NERN LA. THIS ACTIVITY WILL FOLLOW RELATED PLUME OF STG LOW
LEVEL WAA AND MOISTURE TRANSPORT ENEWD ACROSS PORTIONS NRN MS AND
SWRN TN...WHERE PARCELS ARE LIFTED ISENTROPICALLY TO LFC.
ADDITIONAL DEVELOPMENT IS POSSIBLE FARTHER SW ACROSS SRN AR...WHICH
WOULD MOVE INTO ENVIRONMENT CHARACTERIZED BY FAVORABLE VERTICAL
SHEAR -- WITH EFFECTIVE BULK SHEAR MAGNITUDES 45-60KT. ELEVATED
MUCAPE SHOULD REMAIN IN 800-1200 J/KG RANGE ACROSS MUCH OF
AR...SPREADING/EXPANDING EWD ACROSS MID-SOUTH REGION AS THETAE
ADVECTION CONTINUES ABOVE RELATIVELY STABLE BOUNDARY LAYER.

NWRN PORTION OF THIS REGIME ALSO IS CONTRIBUTING TO RAPID...ELEVATED
CONVECTIVE DEVELOPMENT OVER NERN OK THAT WILL MOVE OVER PORTIONS SRN
MO/NRN AR...WITH INCREASING POTENTIAL FOR LARGE HAIL. AREA WILL BE
MONITORED FOR POSSIBLE WW.

..EDWARDS.. 02/18/2009

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

ATTN...WFO...OHX...PAH...MEG...JAN...LZK...SGF...TSA...

LAT...LON 33279012 32899133 33079187 33619251 34739327 35779493
36829432 36949120 36308925 35958811 35438790 34738847
34178898 33279012

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KMPX [180341]: Preliminary Local Storm Report

NWUS53 KMPX 180341
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
941 PM CST TUE FEB 17 2009

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

0933 PM SNOW MENOMONIE 44.89N 91.91W
02/17/2009 M2.3 INCH DUNN WI TRAINED SPOTTER

0930 PM SNOW CHANHASSEN 44.86N 93.56W
02/17/2009 M0.5 INCH CARVER MN OFFICIAL NWS OBS

MEASURED AT NWS OFFICE.

&&

$$

MTF

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KTSA [180339]: Preliminary Local Storm Report

NWUS54 KTSA 180339
LSRTSA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
939 PM CST TUE FEB 17 2009

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

0930 PM HAIL 4 SSE PRYOR 36.25N 95.29W
02/17/2009 E0.88 INCH MAYES OK BROADCAST MEDIA

NICKEL SIZED HAIL COVERING THE GOLF COURSE SOUTHEAST OF
PRYOR.

&&

$$

PBS

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KARX [180336]: Preliminary Local Storm Report

NWUS53 KARX 180336
LSRARX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LA CROSSE WI
936 PM CST TUE FEB 17 2009

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

0936 PM SNOW NEILLSVILLE 44.56N 90.59W
02/17/2009 E0.3 INCH CLARK WI LAW ENFORCEMENT

&&
MELTING AS IT FALLS.
$$

SHEA

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KMPX [180332]: Preliminary Local Storm Report

NWUS53 KMPX 180332
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
932 PM CST TUE FEB 17 2009

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

0842 PM SNOW NORTH ST PAUL 45.01N 93.00W
02/17/2009 M0.5 INCH RAMSEY MN TRAINED SPOTTER

0911 PM SNOW CLAYTON 45.32N 92.17W
02/17/2009 M1.0 INCH POLK WI TRAINED SPOTTER

0930 PM SNOW 2 N MENOMONIE 44.92N 91.91W
02/17/2009 M1.5 INCH DUNN WI TRAINED SPOTTER

&&

$$

MTF

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KGRB [180256]: Preliminary Local Storm Report

NWUS53 KGRB 180256
LSRGRB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
855 PM CST TUE FEB 17 2009

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

0850 PM SNOW ANTIGO 45.15N 89.15W
02/17/2009 E0.5 INCH LANGLADE WI LAW ENFORCEMENT

0850 PM SNOW MERRILL 45.18N 89.68W
02/17/2009 E1.0 INCH LINCOLN WI LAW ENFORCEMENT

0850 PM SNOW STEVENS POINT 44.51N 89.56W
02/17/2009 E0.5 INCH PORTAGE WI COUNTY OFFICIAL

&&

$$

DC

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KCYS [180217]: Preliminary Local Storm Report

NWUS55 KCYS 180217
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
717 PM MST TUE FEB 17 2009

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

0700 PM SNOW RAWLINS 41.78N 107.23W
02/17/2009 M2.5 INCH CARBON WY CO-OP OBSERVER

&&

$$

BCHAPMAN

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KCYS [180215]: Preliminary Local Storm Report

NWUS55 KCYS 180215
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
715 PM MST TUE FEB 17 2009

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

0709 PM SNOW 16 SE SARATOGA 41.29N 106.59W
02/17/2009 M4.5 INCH CARBON WY TRAINED SPOTTER

0700 PM SNOW RIVERSIDE 41.21N 106.78W
02/17/2009 E4.0 INCH CARBON WY PUBLIC

0704 PM SNOW ARLINGTON 41.59N 106.21W
02/17/2009 E3.0 INCH CARBON WY TRAINED SPOTTER

2 TO 3 INCHES. WINDY ALL DAY.

0702 PM SNOW SINCLAIR 41.78N 107.12W
02/17/2009 M4.0 INCH CARBON WY TRAINED SPOTTER

4 TO 5 INCHES OF WET SNOW.

0708 PM SNOW 7 W CENTENNIAL 41.30N 106.24W
02/17/2009 E12.0 INCH ALBANY WY PUBLIC

ELEVATION OF SITE IS 10,200.

0709 PM SNOW 3 S CENTENNIAL 41.26N 106.11W
02/17/2009 M2.0 INCH ALBANY WY PUBLIC

3 INCHES IN SOME SPOTS. WINDY ALL DAY.

&&

$$

BCHAPMAN

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KDDC [180156]: Preliminary Local Storm Report

NWUS53 KDDC 180156
LSRDDC

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DODGE CITY KS
754 PM CST TUE FEB 17 2009

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

0350 PM NON-TSTM WND DMG LIBERAL 37.04N 100.94W
02/17/2009 SEWARD KS LAW ENFORCEMENT

A COUNTY OFFICIAL REPORTED CABLE TV LINES BLOWN DOWN, BUT
NOTHING MAJOR.

0107 PM NON-TSTM WND GST ELKHART 37.00N 101.89W
02/17/2009 M59 MPH MORTON KS BROADCAST MEDIA

THE REPORT WAS AT ELKHART MIDDLE SCHOOL.

0335 PM NON-TSTM WND GST LIBERAL 37.04N 100.94W
02/17/2009 M62 MPH SEWARD KS ASOS

&&

$$

06

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KHNX [180123]: Preliminary Local Storm Report...summary

NWUS56 KHNX 180123
LSRHNX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
523 PM PST TUE FEB 17 2009

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

0105 AM NON-TSTM WND GST PANOCHE ROAD RAWS 36.73N 120.48W
02/15/2009 M43.00 MPH FRESNO CA MESONET

500 FT 1 MI SW OF I5

0505 AM NON-TSTM WND GST LOS BANOS RAWS 37.05N 121.05W
02/15/2009 M36.00 MPH MERCED CA MESONET

1118 AM NON-TSTM WND GST 2 N GRAPEVINE 34.97N 118.93W
02/15/2009 M58.00 MPH KERN CA MESONET

CHP WEIGH STATION AT BASE OF GRAPEVINE ELEV 1358 FT

1203 PM NON-TSTM WND GST CATHEYS VALLEY RAWS 37.47N 120.11W
02/15/2009 M40.00 MPH MARIPOSA CA MESONET

ELEV 1200 FT

1225 PM NON-TSTM WND GST 5 SW WASCO 35.54N 119.40W
02/15/2009 M37.00 MPH KERN CA MESONET

0213 PM NON-TSTM WND GST 1 E GRAPEVINE 34.94N 118.91W
02/15/2009 M73.00 MPH KERN CA MESONET

GRAPEVINE PEAK RAWS

0350 PM NON-TSTM WND GST KETTLEMAN HILLS RAWS 36.03N 120.06W
02/15/2009 M38.00 MPH KINGS CA MESONET

ELEV 810 FT

0405 PM NON-TSTM WND GST PANOCHE ROAD RAWS 36.73N 120.48W
02/15/2009 M49.00 MPH FRESNO CA MESONET

ELEV 500 FT 1 MI SW OF I-5 ALONG PANOCHE RD

1148 PM NON-TSTM WND GST 2 N GRAPEVINE 34.97N 118.93W
02/15/2009 M66.00 MPH KERN CA MESONET

CHP WEIGH STATION ELEV 1358 FT

1213 AM NON-TSTM WND GST 1 E GRAPEVINE 34.94N 118.91W
02/16/2009 M103 MPH KERN CA MESONET

GRAPEVINE PEAK RAWS

0302 AM NON-TSTM WND GST LOS BANOS RAWS 37.05N 121.05W
02/16/2009 M42.00 MPH MERCED CA MESONET

ELEV 302 FT

0405 AM NON-TSTM WND GST 7 SW FISH CAMP 37.41N 119.73W
02/16/2009 M48.00 MPH MADERA CA MESONET

MIAMI RAWS

0405 AM NON-TSTM WND GST PANOCHE ROAD RAWS 36.73N 120.48W
02/16/2009 M51.00 MPH FRESNO CA MESONET

ELEV 500 FT 1 MI SW OF I-5

0434 AM TSTM WND GST 2 NNE HANFORD 36.35N 119.63W
02/16/2009 M35.00 MPH KINGS CA MESONET

0525 AM NON-TSTM WND GST 5 SW WASCO 35.54N 119.40W
02/16/2009 M37.00 MPH KERN CA MESONET

0550 AM NON-TSTM WND GST KETTLEMAN HILLS RAWS 36.03N 120.06W
02/16/2009 M42.00 MPH KINGS CA MESONET

0653 AM NON-TSTM WND GST MERCED 37.30N 120.48W
02/16/2009 E38.00 MPH MERCED CA ASOS

KMCE

0655 AM NON-TSTM WND GST SHADEQUARTER RAWS 36.57N 118.96W
02/16/2009 M40.00 MPH TULARE CA MESONET

0655 AM NON-TSTM WND GST ATWATER 37.35N 120.60W
02/16/2009 M40.00 MPH MERCED CA ASOS

KMER/CASTLE AFB

0920 AM SNOW 5 WNW CHUCHUPATE RAWS 34.84N 119.08W
02/16/2009 M12.0 INCH KERN CA TRAINED SPOTTER

ALSO REPORTS SE WINDS AT 8 MPH GUSTS TO 18 MPH.

0920 AM SNOW 1 SE QUAKING ASPEN SNOT 36.10N 118.53W
02/16/2009 M5.0 INCH TULARE CA TRAINED SPOTTER

1103 AM NON-TSTM WND GST CATHEYS VALLEY RAWS 37.47N 120.11W
02/16/2009 M41.00 MPH MARIPOSA CA MESONET

ELEV 1200 FT

1145 AM FUNNEL CLOUD 2 NW BUTTONWILLOW 35.42N 119.50W
02/16/2009 KERN CA LAW ENFORCEMENT

REPORTED TO CHP FROM TRUCK DRIVER.

1157 AM SNOW 4 SSE OAKHURST 37.28N 119.62W
02/16/2009 M0.5 INCH MADERA CA PUBLIC

PUBLIC AT 3510 FOOT ELEVATION REPORTS HEAVY SNOW AND 32
DEGREES. 1/2 INCH SNOW ON THE GROUND.

0159 PM NON-TSTM WND GST 3 NW AHWAHNEE/OAKHURST 37.42N 119.75W
02/16/2009 M54.00 MPH MARIPOSA CA MESONET

MIAMI RAWS ELEV 4334 FT

0213 PM NON-TSTM WND GST 10 NW MCKITTRICK 35.41N 119.75W
02/16/2009 M61.00 MPH KERN CA MESONET

TWISSELMAN RAWS ELEV 3232 FT

0424 PM HEAVY SNOW CHARLOTTE LAKE SNOTEL 36.80N 118.42W
02/17/2009 E11.0 INCH FRESNO CA MESONET

ELEV. 10,400

0424 PM SNOW 21 NE TEHACHAPI 35.35N 118.18W
02/17/2009 E6.0 INCH KERN CA MESONET

PIUTE PEAK RAWS, ELEV. 6,650

0424 PM SNOW 5 SSW TEHACHAPI 35.07N 118.47W
02/17/2009 E6.0 INCH KERN CA MESONET

WALKER CANYON HADS, ELEV. 5,760

0424 PM SNOW PIUTES RAWS 35.45N 118.28W
02/17/2009 E6.0 INCH KERN CA MESONET

ELEV. 6,650

0424 PM HEAVY SNOW FRAZIER PARK 34.82N 118.94W
02/17/2009 M13.0 INCH KERN CA CO-OP OBSERVER

0424 PM HEAVY SNOW GRANT GROVE 36.74N 118.96W
02/17/2009 M19.0 INCH FRESNO CA CO-OP OBSERVER

0424 PM HEAVY SNOW LODGEPOLE 36.60N 118.73W
02/17/2009 M22.0 INCH TULARE CA CO-OP OBSERVER

0424 PM HEAVY SNOW TUOLUMNE MEADOWS 37.87N 119.36W
02/17/2009 M16.0 INCH TUOLUMNE CA CO-OP OBSERVER

0424 PM HEAVY SNOW QUAKING ASPEN SNOTEL 36.12N 118.54W
02/17/2009 E22.0 INCH TULARE CA MESONET

ELEV. 7,200

0424 PM HEAVY SNOW TUNNEL GUARD STATION SN 36.37N 118.29W
02/17/2009 E14.0 INCH TULARE CA MESONET

ELEV. 8,900

0424 PM HEAVY SNOW WET MEADOWS SNOTEL 36.35N 118.57W
02/17/2009 E28.0 INCH TULARE CA MESONET

ELEV. 8,950

0424 PM HEAVY SNOW PASCOES SNOTEL 35.97N 118.35W
02/17/2009 E16.0 INCH TULARE CA MESONET

ELEV. 9,150

0424 PM HEAVY SNOW FAREWELL GAP SNOTEL 36.41N 118.58W
02/17/2009 E34.0 INCH TULARE CA MESONET

ELEV. 9,500

0424 PM HEAVY SNOW UPPER TYNDALL CREEK SNO 36.65N 118.40W
02/17/2009 E15.0 INCH TULARE CA MESONET

ELEV. 11,400

0424 PM HEAVY SNOW GRAVEYARD MEADOW SNOTEL 37.47N 119.29W
02/17/2009 E17.0 INCH MADERA CA MESONET

ELEV. 6,900

0424 PM HEAVY SNOW CHILKOOT MEADOW SNOTEL 37.41N 119.49W
02/17/2009 E31.0 INCH MADERA CA MESONET

ELEV. 7,150

0424 PM HEAVY SNOW TAMARACK SUMMIT SNOTEL 37.17N 119.20W
02/17/2009 E22.0 INCH FRESNO CA MESONET

ELEV. 7,550

0424 PM HEAVY SNOW TENAYA LAKE SNOTEL 37.84N 119.45W
02/17/2009 E17.0 INCH MARIPOSA CA MESONET

ELEV. 8,150

0424 PM HEAVY SNOW HORSE MEADOW SNOTEL 38.16N 119.66W
02/17/2009 E21.0 INCH TUOLUMNE CA MESONET

ELEV. 8,400

0424 PM HEAVY SNOW AGNEW PASS SNOTEL 37.73N 119.14W
02/17/2009 E29.0 INCH MADERA CA MESONET

ELEV. 9,450

0424 PM HEAVY SNOW UPPER BURNT CORRAL SNOT 37.18N 118.94W
02/17/2009 E34.0 INCH FRESNO CA MESONET

ELEV. 9,700

0424 PM SNOW TEHACHAPI 35.13N 118.44W
02/17/2009 M5.0 INCH KERN CA CO-OP OBSERVER

&&
SUMMARY OF THE FEBRUARY 16-17 WINTER STORM
$$

JBRO/BINGHAM

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KPIH [180121]: Preliminary Local Storm Report

NWUS55 KPIH 180121
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
621 PM MST TUE FEB 17 2009

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

0620 PM SNOW 4 SE REA 44.42N 111.37W
02/17/2009 E8.0 INCH FREMONT ID TRAINED SPOTTER

STORM TOTAL.

&&

$$

PANGEL

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KHNX [180115]: Preliminary Local Storm Report

NWUS56 KHNX 180115
LSRHNX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
514 PM PST TUE FEB 17 2009

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

0424 PM HEAVY SNOW CHARLOTTE LAKE SNOTEL 36.80N 118.42W
02/17/2009 E11.0 INCH FRESNO CA MESONET

ELEV. 10,400

0424 PM HEAVY SNOW UPPER BURNT CORRAL SNOT 37.18N 118.94W
02/17/2009 E34.0 INCH FRESNO CA MESONET

ELEV. 9,700

0424 PM HEAVY SNOW AGNEW PASS SNOTEL 37.73N 119.14W
02/17/2009 E29.0 INCH MADERA CA MESONET

ELEV. 9,450

0424 PM HEAVY SNOW HORSE MEADOW SNOTEL 38.16N 119.66W
02/17/2009 E21.0 INCH TUOLUMNE CA MESONET

ELEV. 8,400

0424 PM HEAVY SNOW TENAYA LAKE SNOTEL 37.84N 119.45W
02/17/2009 E17.0 INCH MARIPOSA CA MESONET

ELEV. 8,150

0424 PM HEAVY SNOW TAMARACK SUMMIT SNOTEL 37.17N 119.20W
02/17/2009 E22.0 INCH FRESNO CA MESONET

ELEV. 7,550

0424 PM HEAVY SNOW CHILKOOT MEADOW SNOTEL 37.41N 119.49W
02/17/2009 E31.0 INCH MADERA CA MESONET

ELEV. 7,150

0424 PM HEAVY SNOW GRAVEYARD MEADOW SNOTEL 37.47N 119.29W
02/17/2009 E17.0 INCH MADERA CA MESONET

ELEV. 6,900

0424 PM HEAVY SNOW UPPER TYNDALL CREEK SNO 36.65N 118.40W
02/17/2009 E15.0 INCH TULARE CA MESONET

ELEV. 11,400

0424 PM HEAVY SNOW FAREWELL GAP SNOTEL 36.41N 118.58W
02/17/2009 E34.0 INCH TULARE CA MESONET

ELEV. 9,500

0424 PM HEAVY SNOW PASCOES SNOTEL 35.97N 118.35W
02/17/2009 E16.0 INCH TULARE CA MESONET

ELEV. 9,150

0424 PM HEAVY SNOW WET MEADOWS SNOTEL 36.35N 118.57W
02/17/2009 E28.0 INCH TULARE CA MESONET

ELEV. 8,950

0424 PM HEAVY SNOW TUNNEL GUARD STATION SN 36.37N 118.29W
02/17/2009 E14.0 INCH TULARE CA MESONET

ELEV. 8,900

0424 PM HEAVY SNOW QUAKING ASPEN SNOTEL 36.12N 118.54W
02/17/2009 E22.0 INCH TULARE CA MESONET

ELEV. 7,200

0424 PM HEAVY SNOW TUOLUMNE MEADOWS 37.87N 119.36W
02/17/2009 M16.0 INCH TUOLUMNE CA CO-OP OBSERVER

0424 PM HEAVY SNOW LODGEPOLE 36.60N 118.73W
02/17/2009 M22.0 INCH TULARE CA CO-OP OBSERVER

0424 PM HEAVY SNOW GRANT GROVE 36.74N 118.96W
02/17/2009 M19.0 INCH FRESNO CA CO-OP OBSERVER

0424 PM HEAVY SNOW FRAZIER PARK 34.82N 118.94W
02/17/2009 M13.0 INCH KERN CA CO-OP OBSERVER

0424 PM SNOW TEHACHAPI 35.13N 118.44W
02/17/2009 M5.0 INCH KERN CA CO-OP OBSERVER

0424 PM SNOW PIUTES RAWS 35.45N 118.28W
02/17/2009 E6.0 INCH KERN CA MESONET

ELEV. 6,650

0424 PM SNOW 5 SSW TEHACHAPI 35.07N 118.47W
02/17/2009 E6.0 INCH KERN CA MESONET

WALKER CANYON HADS, ELEV. 5,760

0424 PM SNOW 21 NE TEHACHAPI 35.35N 118.18W
02/17/2009 E6.0 INCH KERN CA MESONET

PIUTE PEAK RAWS, ELEV. 6,650

&&

$$

BINGHAM

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WATCHES: Severe Thunderstorm Watch Number 22

WWUS20 KWNS 180108
SEL2
SPC WW 180108
ARZ000-LAZ000-MSZ000-TNZ000-180800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 22
NWS STORM PREDICTION CENTER NORMAN OK
705 PM CST TUE FEB 17 2009

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

SOUTHERN AND EASTERN ARKANSAS
NORTHERN LOUISIANA
NORTHERN MISSISSIPPI
FAR SOUTHWEST TENNESSEE

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 705 PM
UNTIL 200 AM CST.

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

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES WEST OF EL
DORADO ARKANSAS TO 15 MILES NORTH NORTHEAST OF OXFORD
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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

DISCUSSION...ELEVATED THUNDERSTORMS WILL CONTINUE TO INCREASE IN
BOTH COVERAGE AND INTENSITY ACROSS THIS REGION THROUGH THE EVENING
WITHIN BROAD LOW LEVEL WAA REGIME. 00Z SOUNDINGS INDICATE STEEP MID
LEVEL LAPSE RATES...WITH PARCELS TAPPING LOW LEVEL MOISTENING NEAR
H85 EXPANDING NEWD INTO THE MID SOUTH. THIS WILL SUPPORT MODEST
MUCAPE WITHIN STRONG CLOUD-LAYER SHEAR. STRONGER CORES WILL BE
CAPABLE OF LARGE HAIL...WITH ELEVATED SUPERCELLS INCREASING
POTENTIAL FOR SEVERE HAIL BY LATER THIS EVENING.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 25035.

...EVANS

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KREV [180107]: Preliminary Local Storm Report

NWUS55 KREV 180107
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
507 PM PST TUE FEB 17 2009

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

0900 AM SNOW 5 E ALPINE MEADOWS 39.18N 120.14W
02/17/2009 M9.0 INCH PLACER CA TRAINED SPOTTER

SPOTTER REPORTED 9 INCHES OF NEW SNOWFALL BETWEEN 900 PM
AND 900 AM AT ELEVATION 6400 FT.

&&

$$

KMOZLEY

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 180102
SWODY1
SPC AC 180059

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0659 PM CST TUE FEB 17 2009

VALID 180100Z - 181200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF SRN AR...FAR NE
TX...NRN LA...NRN MS...WRN TN AND FAR NW AL...

...OZARKS/LOWER MS AND TN VALLEYS...
AT 01Z...WATER VAPOR IMAGERY SHOWS A WEST SOUTHWEST FLOW PATTERN IN
PLACE ACROSS THE SRN STATES WITH THE SUBTROPICAL PLUME EXTENDING
ENEWD ACROSS NRN MEXICO INTO TX AND THE LOWER MS VALLEY. A 45 TO 55
KT LOW-LEVEL JET IS ANALYZED OVER ERN OK AND AR WITH THE SRN EXTENT
OF THE JET IN ERN TX. IN RESPONSE TO THE LOW-LEVEL JET...MOISTURE
ADVECTION IS OCCURRING ACROSS EAST TX WHERE SFC DEWPOINTS ARE NOW
APPROACHING 60 F. THUNDERSTORMS ARE DEVELOPING DUE TO LIFT
ASSOCIATED WITH THE LOW-LEVEL JET ON THE LEADING EDGE OF THE
MOISTURE RETURN. MODEL FORECASTS ARE IN GENERAL AGREEMENT EXPANDING
THIS ACTIVITY ENEWD WITH THE POSITION OF THE LOW-LEVEL JET ACROSS
AR...NRN LA INTO NRN MS AND WRN TN DURING THE OVERNIGHT PERIOD.

CONCERNING THE NATURE OF THE CONVECTION...RUC FORECAST SOUNDINGS
ACROSS THE ARKLATEX THIS EVENING SUGGEST THE ACTIVITY IS ELEVATED
WITH PARCELS STARTING AT ABOUT 850 MB. AT MID-LEVELS...A 500 MB TEMP
TROUGH IS ANALYZED OVER THE ARKLATEX WITH 500 MB TEMPS AROUND -14C.
THIS ALONG WITH 850 TO 500 MB LAPSE RATES OF 6.5 TO 7.0 C/KM SHOULD
SUPPORT A HAIL THREAT. AS THIS COLD AIR ALOFT ADVECTS EWD AND
MOISTURE INCREASES WITH THE LOW-LEVEL JET...THE HAIL THREAT SHOULD
GRADUALLY EXPAND ACROSS ERN AR...NRN MS INTO WRN TN. IN ADDITION...A
FEW AREAS COULD RECEIVE LARGE HAIL DUE TO THE STRONG VERTICAL SHEAR
WHICH COULD SUPPORT AN ISOLATED SUPERCELL THREAT.

FURTHER WEST SOUTHWEST...MODEL FORECASTS REDEVELOP CONVECTION LATE
TONIGHT FROM THE ARKLATEX EWD ACROSS SRN AR ALONG THE MOIST AXIS. BY
THIS TIME...FORECAST SOUNDING SHOW MUCAPE VALUES AROUND 1000 J/KG
WITH SFC PARCELS STARTING IN THE BOUNDARY LAYER. THIS COULD BE
SUFFICIENT FOR SFC-BASED STORMS WITH A CONTINUING A SEVERE THREAT
LATE IN THE PERIOD. HAIL AND MARGINALLY SEVERE WIND DAMAGE WOULD BE
THE PRIMARY THREATS WITH THE ACTIVITY.

..BROYLES.. 02/18/2009

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KABQ [180037]: Preliminary Local Storm Report

NWUS55 KABQ 180037
LSRABQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
536 PM MST TUE FEB 17 2009

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

1155 AM HIGH SUST WINDS 2 SSW FORT STANTON 33.47N 105.54W
02/17/2009 M40.00 MPH LINCOLN NM AWOS

0153 PM HIGH SUST WINDS 1 SSE CLINES CORNERS 35.00N 105.66W
02/17/2009 M40.00 MPH TORRANCE NM ASOS

0300 PM NON-TSTM WND DMG 4 WNW ALBUQUERQUE 35.15N 106.68W
02/17/2009 BERNALILLO NM LAW ENFORCEMENT

HIGHWAY SIGN BLEW OFF POST AND STRUCK VEHICLE.

0315 PM SNOW BRAZOS 36.75N 106.56W
02/17/2009 E1.0 INCH RIO ARRIBA NM PUBLIC

0400 PM SNOW CHAMA 36.89N 106.58W
02/17/2009 M1.0 INCH RIO ARRIBA NM CO-OP OBSERVER

0500 PM SNOW 2 WSW EL MORRO 35.04N 108.35W
02/17/2009 M2.0 INCH CIBOLA NM CO-OP OBSERVER

&&

$$

SHOEMAKE

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KREV [180028]: Preliminary Local Storm Report...corrected

NWUS55 KREV 180028
LSRREV

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE RENO NV
427 PM PST TUE FEB 17 2009

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

0600 AM SNOW 2 N ALPINE MEADOWS 39.20N 120.22W
02/17/2009 E10.0 INCH PLACER CA PUBLIC

24-HR SNOWFALL OF 8-10 INCHES SQUAW VALLEY USA SKI RESORT
AT 8200 FT. REPORTED 6 TO 8 INCHES AT 6200 FT.

&&

$$

SSNYDER

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KDLH [172359]: Preliminary Local Storm Report

NWUS53 KDLH 172359
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
559 PM CST TUE FEB 17 2009

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

0558 PM SNOW INTERNATIONAL FALLS 48.59N 93.41W
02/17/2009 M7.4 INCH KOOCHICHING MN TRAINED SPOTTER

SINCE MIDNIGHT

&&

$$

SCW

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MESO: Mesoscale Discussion 0116

ACUS11 KWNS 172345
SWOMCD
SPC MCD 172344
ARZ000-MSZ000-LAZ000-TXZ000-OKZ000-180215-

MESOSCALE DISCUSSION 0116
NWS STORM PREDICTION CENTER NORMAN OK
0544 PM CST TUE FEB 17 2009

AREAS AFFECTED...SRN/CENTRAL AR AND ARKLATEX REGION -- PORTIONS NE
TX...NWRN LA...SWRN AR...EXTREME SERN OK.

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 172344Z - 180215Z

TSTMS ARE FCST TO DEVELOP AND INCREASE IN COVERAGE GRADUALLY THROUGH
EVENING -- SPREADING FROM SW-NE ACROSS ARKLATEX REGION TOWARD LOWER
MS VALLEY. MAIN CONCERN WILL BE HAIL.

SFC MESOANALYSIS INDICATES DIFFUSE/FRAGMENTED WARM FRONTAL ZONE
EVIDENT FROM S-CENTRAL OK SWD THEN EWD ACROSS CENTRAL/E-CENTRAL
TX...S OF TYR...TO CENTRAL LA. WARM FRONT SHOULD CONSOLIDATE
SOMEWHAT AND LIFT NEWD ACROSS MUCH OF E TX AND LA THROUGH 06Z.
MEANWHILE STG ELEVATED WAA REGIME IS MAINTAINED TO ITS NE ALONG
SLOPED FRONTAL/ISENTROPIC SFC...AND AMIDST STRENGTHENING/45-60 KT
LLJ. INCREASINGLY MOIST PARCELS -- EMANATING FROM COASTAL AREAS
WITH DEW POINTS UPPER 60S F AT SFC AND 10-13 DEG C AT 850 MB -- WILL
BE LIFTED TO LFC BENEATH MUCAPES BETWEEN 500-1000 J/KG. AS BUOYANCY
ALOFT STRENGTHENS/DEEPENS WITH TIME...SO WILL BOTH EFFECTIVE SHEAR
AND EFFECTIVE SRH -- 50-60 KT AND 200-300 J/KG RESPECTIVELY --
AVAILABLE TO THOSE ELEVATED INFLOW PARCELS. STORM ORGANIZATION
SHOULD INCREASE ACCORDINGLY...WITH MOST FAVORABLE LARGE HAIL
POTENTIAL FROM TSTMS THAT CAN MAINTAIN THEIR IDENTITY LONG ENOUGH TO
BUILD LOW-MIDDLE LEVEL MESOCYCLONES. ROBUST STABLE LAYER NEAR SFC
WILL BE MAINTAINED OVER DISCUSSION AREA THROUGH EVENING...WITHOUT
APPRECIABLE DRYING ABOVE...WHICH SHOULD MINIMIZE POTENTIAL FOR
ORGANIZED SVR WIND. HOWEVER...ISOLATED GUSTS APCHG SVR LEVELS
CANNOT BE RULED OUT FROM MOST INTENSE TSTMS -- ESPECIALLY OVER NE TX
WHERE PRE WARM-FRONTAL STABLE LAYER WILL BE SHALLOWEST.

..EDWARDS.. 02/17/2009

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

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

LAT...LON 31799375 31609449 31749536 32079558 33079566 34139523
34899415 35329215 35239107 34619067 34069089 33329171
32519259 31799375

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KHNX [172330]: Preliminary Local Storm Report...summary

NWUS56 KHNX 172330
LSRHNX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
330 PM PST TUE FEB 17 2009

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

0105 AM NON-TSTM WND GST PANOCHE ROAD RAWS 36.73N 120.48W
02/15/2009 M43.00 MPH FRESNO CA MESONET

500 FT 1 MI SW OF I5

0505 AM NON-TSTM WND GST LOS BANOS RAWS 37.05N 121.05W
02/15/2009 M36.00 MPH MERCED CA MESONET

1118 AM NON-TSTM WND GST 2 N GRAPEVINE 34.97N 118.93W
02/15/2009 M58.00 MPH KERN CA MESONET

CHP WEIGH STATION AT BASE OF GRAPEVINE ELEV 1358 FT

1203 PM NON-TSTM WND GST CATHEYS VALLEY RAWS 37.47N 120.11W
02/15/2009 M40.00 MPH MARIPOSA CA MESONET

ELEV 1200 FT

1225 PM NON-TSTM WND GST 5 SW WASCO 35.54N 119.40W
02/15/2009 M37.00 MPH KERN CA MESONET

0213 PM NON-TSTM WND GST 1 E GRAPEVINE 34.94N 118.91W
02/15/2009 M73.00 MPH KERN CA MESONET

GRAPEVINE PEAK RAWS

0350 PM NON-TSTM WND GST KETTLEMAN HILLS RAWS 36.03N 120.06W
02/15/2009 M38.00 MPH KINGS CA MESONET

ELEV 810 FT

0405 PM NON-TSTM WND GST PANOCHE ROAD RAWS 36.73N 120.48W
02/15/2009 M49.00 MPH FRESNO CA MESONET

ELEV 500 FT 1 MI SW OF I-5 ALONG PANOCHE RD

1148 PM NON-TSTM WND GST 2 N GRAPEVINE 34.97N 118.93W
02/15/2009 M66.00 MPH KERN CA MESONET

CHP WEIGH STATION ELEV 1358 FT

1213 AM NON-TSTM WND GST 1 E GRAPEVINE 34.94N 118.91W
02/16/2009 M103 MPH KERN CA MESONET

GRAPEVINE PEAK RAWS

0302 AM NON-TSTM WND GST LOS BANOS RAWS 37.05N 121.05W
02/16/2009 M42.00 MPH MERCED CA MESONET

ELEV 302 FT

0405 AM NON-TSTM WND GST 7 SW FISH CAMP 37.41N 119.73W
02/16/2009 M48.00 MPH MADERA CA MESONET

MIAMI RAWS

0405 AM NON-TSTM WND GST PANOCHE ROAD RAWS 36.73N 120.48W
02/16/2009 M51.00 MPH FRESNO CA MESONET

ELEV 500 FT 1 MI SW OF I-5

0434 AM TSTM WND GST 2 NNE HANFORD 36.35N 119.63W
02/16/2009 M35.00 MPH KINGS CA MESONET

0525 AM NON-TSTM WND GST 5 SW WASCO 35.54N 119.40W
02/16/2009 M37.00 MPH KERN CA MESONET

0550 AM NON-TSTM WND GST KETTLEMAN HILLS RAWS 36.03N 120.06W
02/16/2009 M42.00 MPH KINGS CA MESONET

0653 AM NON-TSTM WND GST MERCED 37.30N 120.48W
02/16/2009 E38.00 MPH MERCED CA ASOS

KMCE

0655 AM NON-TSTM WND GST SHADEQUARTER RAWS 36.57N 118.96W
02/16/2009 M40.00 MPH TULARE CA MESONET

0655 AM NON-TSTM WND GST ATWATER 37.35N 120.60W
02/16/2009 M40.00 MPH MERCED CA ASOS

KMER/CASTLE AFB

0920 AM SNOW 1 SE QUAKING ASPEN SNOT 36.10N 118.53W
02/16/2009 M5.0 INCH TULARE CA TRAINED SPOTTER

0920 AM SNOW 5 WNW CHUCHUPATE RAWS 34.84N 119.08W
02/16/2009 M12.0 INCH KERN CA TRAINED SPOTTER

ALSO REPORTS SE WINDS AT 8 MPH GUSTS TO 18 MPH.

1103 AM NON-TSTM WND GST CATHEYS VALLEY RAWS 37.47N 120.11W
02/16/2009 M41.00 MPH MARIPOSA CA MESONET

ELEV 1200 FT

1145 AM FUNNEL CLOUD 2 NW BUTTONWILLOW 35.42N 119.50W
02/16/2009 KERN CA LAW ENFORCEMENT

REPORTED TO CHP FROM TRUCK DRIVER.

1157 AM SNOW 4 SSE OAKHURST 37.28N 119.62W
02/16/2009 M0.5 INCH MADERA CA PUBLIC

PUBLIC AT 3510 FOOT ELEVATION REPORTS HEAVY SNOW AND 32
DEGREES. 1/2 INCH SNOW ON THE GROUND.

0159 PM NON-TSTM WND GST 3 NW AHWAHNEE/OAKHURST 37.42N 119.75W
02/16/2009 M54.00 MPH MARIPOSA CA MESONET

MIAMI RAWS ELEV 4334 FT

0213 PM NON-TSTM WND GST 10 NW MCKITTRICK 35.41N 119.75W
02/16/2009 M61.00 MPH KERN CA MESONET

TWISSELMAN RAWS ELEV 3232 FT

&&
SUMMARY OF FEB 15-16 WINTER STORM
$$

JMB

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KABQ [172243]: Preliminary Local Storm Report

NWUS55 KABQ 172243
LSRABQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
342 PM MST TUE FEB 17 2009

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

0815 AM SNOW 12 SW SAN RAFAEL 34.99N 108.03W
02/17/2009 M2.4 INCH CIBOLA NM CO-OP OBSERVER

1030 AM SNOW PREWITT 35.36N 108.04W
02/17/2009 M1.5 INCH MCKINLEY NM TRAINED SPOTTER

0311 PM SNOW PREWITT 35.36N 108.04W
02/17/2009 E1.5 INCH MCKINLEY NM PUBLIC

&&

$$

DPORTER

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KMFR [172207]: Preliminary Local Storm Report

NWUS56 KMFR 172207
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
207 PM PST TUE FEB 17 2009

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

0205 PM SNOW 4 SSW WEED 41.36N 122.42W
02/17/2009 M3.0 INCH SISKIYOU CA TRAINED SPOTTER

24 HOUR SNOW AMOUNT ENDING AT 1130 AM PST TUESDAY

&&

$$

SPILDE

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KDLH [172152]: Preliminary Local Storm Report

NWUS53 KDLH 172152
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
351 PM CST TUE FEB 17 2009

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

0350 PM SNOW ORR 48.06N 92.82W
02/17/2009 M4.7 INCH ST. LOUIS MN TRAINED SPOTTER

SINCE MIDNIGHT

&&

$$

DCANNON

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KDLH [172109]: Preliminary Local Storm Report

NWUS53 KDLH 172109
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
309 PM CST TUE FEB 17 2009

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

0307 PM SNOW KABETOGAMA 48.44N 93.03W
02/17/2009 M5.5 INCH ST. LOUIS MN CO-OP OBSERVER

ACCUMULATION SINCE 0700 AM

&&

$$

SGOHDE

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KREV [172051]: Preliminary Local Storm Report

NWUS55 KREV 172051
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
1251 PM PST TUE FEB 17 2009

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

1250 PM SNOW 4 S PROSSER CREEK RESER 39.32N 120.18W
02/17/2009 E7.0 INCH NEVADA CA TRAINED SPOTTER

SPOTTER REPORTED 6 TO 7 INCHES OF SNOWFALL SINCE
YESTERDAY AFTERNOON.

&&

$$

KMOZLEY

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KAMA [172048]: Preliminary Local Storm Report

NWUS54 KAMA 172048
LSRAMA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
248 PM CST TUE FEB 17 2009

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

0240 PM NON-TSTM WND GST 3 SSE BOISE CITY 36.69N 102.49W
02/17/2009 M58 MPH CIMARRON OK MESONET

&&

EVENT NUMBER AMA0901032

$$

JC

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KAMA [172042]: Preliminary Local Storm Report

NWUS54 KAMA 172042
LSRAMA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
242 PM CST TUE FEB 17 2009

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

0220 PM NON-TSTM WND GST 3 SSE BOISE CITY 36.69N 102.49W
02/17/2009 M60 MPH CIMARRON OK MESONET

&&

EVENT NUMBER AMA0901031

$$

JC

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KGLD [172040]: Preliminary Local Storm Report

NWUS53 KGLD 172040
LSRGLD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
140 PM MST TUE FEB 17 2009

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

0130 PM NON-TSTM WND GST 9 NNE KIT CARSON 38.88N 102.73W
02/17/2009 M58 MPH CHEYENNE CO MESONET

&&

$$

KJAMES

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KAMA [172025]: Preliminary Local Storm Report...summary

NWUS54 KAMA 172025
LSRAMA

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
225 PM CST TUE FEB 17 2009

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

0136 PM NON-TSTM WND GST 3 SW DALHART 36.03N 102.55W
02/17/2009 M62 MPH HARTLEY TX ASOS

0153 PM NON-TSTM WND GST 3 SW DALHART 36.03N 102.55W
02/17/2009 M59 MPH HARTLEY TX ASOS

&&

EVENT NUMBER AMA0901029 AMA0901030

$$

JC

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 171947
SWODY1
SPC AC 171944

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0144 PM CST TUE FEB 17 2009

VALID 172000Z - 181200Z

...THERE IS A SLGT RISK OF SVR TSTMS TONIGHT ACROSS PARTS OF THE LWR
MS VALLEY....

...SOUTHEAST TEXAS THROUGH THE LWR MS/OH AND TENNESSEE VALLEYS...
SURFACE CYCLOGENESIS IS WELL UNDERWAY TO THE LEE OF THE CENTRAL
ROCKIES. AS THE SURFACE LOW CENTER CONTINUES TO DEEPEN AND MIGRATE
EAST OF THE CENTRAL HIGH PLAINS...TOWARD THE MIDDLE MISSISSIPPI
VALLEY THROUGH THE REMAINDER OF THE PERIOD...A SOUTHERLY RETURN FLOW
OF MOISTURE WILL STRENGTHEN OFF THE WESTERN OF MEXICO. UPPER
60S/LOWER 70S SURFACE DEW POINTS ARE CURRENTLY PRESENT ACROSS THE
WESTERN GULF OF MEXICO INTO THE TEXAS COASTAL PLAIN. AND...AT LEAST
UPPER 50S/LOWER 60S SURFACE DEW POINTS ARE EXPECTED TO ADVECT
NORTHEASTWARD ALONG AN AXIS THROUGH THE LOWER MISSISSIPPI VALLEY BY
12Z WEDNESDAY.

MOISTURE RETURN HAS BEEN QUICKER THAN THE RETREAT OF A COLD SURFACE
RIDGE...NOW ENCOMPASSING MOST AREAS FROM THE MISSISSIPPI VALLEY
EASTWARD. THIS HAS RESULTED IN INCREASING SHALLOW CONVECTION AND
PRECIPITATION WITHIN A ZONE OF BROAD ISENTROPIC ASCENT ALONG AND
EAST OF THE LOWER MISSISSIPPI VALLEY. HOWEVER...WARMING ALOFT
BENEATH SHORT WAVE RIDGING IS SUPPRESSING THE FORMATION OF
THUNDERSTORMS. THIS PROBABLY WILL REMAIN THE CASE THROUGH THE MID
EVENING HOURS...PERHAPS MUCH OF THE NIGHT...PARTICULARLY ALONG THE
AXIS OF SURFACE-BASED...OR NEAR SURFACE-BASED...DESTABILIZATION
DEVELOPING NORTHEASTWARD OUT OF SOUTHEAST TEXAS.

MODELS ARE STILL NOT PARTICULARLY CLEAR ON THE TIMING/LOCATION OF
THE INITIATION OF STORMS TONIGHT. HOWEVER...THE JUXTAPOSITIONING OF
STRONGER LOW-LEVEL MOISTENING AND STEEPENING ISENTROPIC ASCENT SEEMS
MOST PROBABLE BENEATH THE DIFLUENT REGIME BETWEEN THE POLAR AND
SUBTROPICAL JET AXES...EAST OF THE CREST OF THE UPPER RIDGE...
ACROSS EASTERN ARKANSAS INTO WESTERN TENNESSEE/NORTHERN MISSISSIPPI
DURING THE 03-06Z TIME FRAME. THIS ACTIVITY SHOULD DEVELOP EASTWARD
TOWARD THE UPPER TENNESSEE VALLEY OVERNIGHT. THE ONSET OF AT LEAST
WEAK COOLING IN THE CAPPING LAYER TOWARD THE 09-12Z TIME FRAME MAY
SUPPORT ADDITIONAL STORM DEVELOPMENT NEAR OR JUST WEST OF THE
MISSISSIPPI/ARKANSAS BORDER AREA. IF THIS OCCURS...
DESTABILIZATION IN THE PRESENCE OF STRONG SHEAR WILL BE MORE
SUPPORTIVE OF A SEVERE THREAT...WITH A FEW SUPERCELLS CAPABLE OF
PRODUCING AT LEAST LARGE HAIL POSSIBLE.

...CENTRAL CALIFORNIA...
A RESIDUAL CYCLONIC MID-LEVEL CIRCULATION CENTER IS IN THE PROCESS
OF MIGRATING INLAND....NORTH OF SAN FRANCISCO BAY. BUT...
OROGRAPHICALLY BACKED...SOUTHEASTERLY SURFACE WINDS BENEATH 20-30 KT
SOUTHERLY 850 FLOW ARE MAINTAINING SIZABLE CLOCKWISE CURVED
LOW-LEVEL HODOGRAPHS ACROSS THE INTERIOR VALLEY. THIS MAY PERSIST
THROUGH A LARGE PORTION OF THE AFTERNOON. GIVEN THE COLD MID-LEVEL
ENVIRONMENT ACROSS THIS REGION...THERE APPEARS TO BE ENOUGH
DEVELOPING BREAKS IN THE OVERCAST TO ALLOW FOR POCKETS OF SURFACE
HEATING AND DESTABILIZATION SUPPORTIVE OF LOW TOPPED STORM
DEVELOPMENT. IF THIS OCCURS...THE RISK FOR ROTATING UPDRAFTS
CAPABLE OF PRODUCING SOME HAIL OR A BRIEF TORNADO IS NOT COMPLETELY
NEGLIGIBLE.

..KERR.. 02/17/2009

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KREV [171931]: Preliminary Local Storm Report

NWUS55 KREV 171931
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
1131 AM PST TUE FEB 17 2009

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

0800 AM HEAVY SNOW 1 WNW ALPINE MEADOWS 39.17N 120.24W
02/17/2009 M20.0 INCH PLACER CA MESONET

24-HR SNOWFALL ALPINE MEADOWS SKI AREA. ELEVATION APPROX
8500 FT.

0930 AM HEAVY SNOW 1 N ALPINE MEADOWS 39.18N 120.22W
02/17/2009 M15.0 INCH PLACER CA MESONET

24-HR SNOWFALL ALPINE MEADOWS SKI AREA AT 6800 FT.

&&

$$

SSNYDER

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KPUB [171912]: Preliminary Local Storm Report

NWUS55 KPUB 171912
LSRPUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
1212 PM MST TUE FEB 17 2009

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

1158 AM NON-TSTM WND GST LAMAR 38.08N 102.62W
02/17/2009 M58.00 MPH PROWERS CO ASOS

1119 AM NON-TSTM WND GST LA JUNTA 37.98N 103.54W
02/17/2009 M58.00 MPH OTERO CO ASOS

1034 AM NON-TSTM WND GST COLORADO SPRINGS 38.83N 104.82W
02/17/2009 M50.00 MPH EL PASO CO ASOS

&&

$$

DMETZE

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KREV [171911]: Preliminary Local Storm Report

NWUS55 KREV 171911
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
1111 AM PST TUE FEB 17 2009

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

1108 AM SNOW BODIE 38.21N 119.01W
02/17/2009 M4.0 INCH MONO CA CO-OP OBSERVER

CO-OP OBSERVER REPORTED 4 INCHES OF SNOWFALL IN THE PAST
24 HOURS AT ELEVATION 8300 FT.

&&

$$

KMOZLEY

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KREV [171909]: Preliminary Local Storm Report

NWUS55 KREV 171909
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
1109 AM PST TUE FEB 17 2009

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

1108 AM SNOW TAHOE CITY 39.17N 120.14W
02/17/2009 E8.0 INCH PLACER CA COAST GUARD

COAST GUARD STATION LAKE TAHOE REPORTED 6 TO 8 INCHES OF
SNOWFALL IN THE PAST 24 HOURS AT ELEVATION 6250 FT.

&&

$$

KMOZLEY

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KABQ [171847]: Preliminary Local Storm Report

NWUS55 KABQ 171847
LSRABQ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
1147 AM MST TUE FEB 17 2009

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

0900 AM SNOW DULCE 36.94N 107.00W
02/17/2009 M1.1 INCH RIO ARRIBA NM CO-OP OBSERVER

&&

$$

DPORTER

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KPIH [171842]: Preliminary Local Storm Report

NWUS55 KPIH 171842
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
1142 AM MST TUE FEB 17 2009

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

1141 AM SNOW NE RUPERT 42.62N 113.67W
02/17/2009 M2.0 INCH MINIDOKA ID TRAINED SPOTTER

STORM TOTAL AS OF TIME OF REPORT

&&

$$

JKEYES

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KREV [171811]: Preliminary Local Storm Report

NWUS55 KREV 171811
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
1011 AM PST TUE FEB 17 2009

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

0530 AM SNOW 9 SW SOUTH LAKE TAHOE 38.85N 120.10W
02/17/2009 E14.0 INCH EL DORADO CA PUBLIC

SIERRA AT TAHOE SKI RESORT REPORTED 14 INCHES OF NEW
SNOWFALL IN THE PAST 24 HOURS.

0600 AM SNOW SQUAW VALLEY 39.20N 120.22W
02/17/2009 E8.0 INCH PLACER CA PUBLIC

SQUAW VALLEY USA SKI RESORT REPORTED 4 TO 6 INCHES OF
SNOWFALL AT ELEVATION 6200 FT AND 6 TO 8 INCHES AT
ELEVATION 8200 FT IN THE PAST 24 HOURS.

0600 AM SNOW 2 NE INCLINE VILLAGE 39.27N 119.94W
02/17/2009 E4.0 INCH WASHOE NV PUBLIC

DIAMOND PEAK SKI RESORT REPORTED 4 INCHES OF NEW SNOWFALL
IN THE PAST 24 HOURS.

0611 AM SNOW 5 N TRUCKEE 39.40N 120.20W
02/17/2009 E13.0 INCH NEVADA CA PUBLIC

TAHOE DONNER DOWNHILL SKI AREA REPORTED 6 TO 13 INCHES OF
SNOWFALL IN THE PAST 24 HOURS.

0700 AM SNOW TAHOE CITY 39.17N 120.14W
02/17/2009 M6.0 INCH PLACER CA CO-OP OBSERVER

CO-OP OBSERVER REPORTED 6 INCHES OF NEW SNOWFALL IN THE
PAST 24 HOURS AT ELEVATION 6230 FT.

0700 AM SNOW BOCA RESERVOIR 39.40N 120.09W
02/17/2009 M2.0 INCH NEVADA CA CO-OP OBSERVER

CO-OP OBSERVER REPORTED 2.0 INCHES IN THE PAST 24 HOURS
AT ELEVATION 5575 FT.

0751 AM SNOW 1 NE INCLINE VILLAGE 39.26N 119.94W
02/17/2009 M3.0 INCH WASHOE NV TRAINED SPOTTER

3 INCHES NEW SNOWFALL FROM 8 AM MONDAY TO 8 AM TUESDAY.

0912 AM SNOW 2 WNW CROMBERG 39.87N 120.72W
02/17/2009 E1.5 INCH PLUMAS CA TRAINED SPOTTER

24-HR SNOWFALL AT 4200 FT.

&&

$$

KMOZLEY

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KDLH [171810]: Preliminary Local Storm Report

NWUS53 KDLH 171810
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1209 PM CST TUE FEB 17 2009

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

1202 PM SNOW LITTLE MARAIS 47.41N 91.11W
02/17/2009 M1.2 INCH LAKE MN TRAINED SPOTTER

24 HOUR TOTAL

&&

$$

SGOHDE

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KBIS [171804]: Preliminary Local Storm Report

NWUS53 KBIS 171804
LSRBIS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1203 PM CST TUE FEB 17 2009

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

0700 AM SNOW 7 N FOXHOLM 48.47N 101.57W
02/17/2009 M2.0 INCH RENVILLE ND CO-OP OBSERVER

24 HOUR SNOWFALL REPORT AT LAKE DARLING.

&&

$$

VROLLER

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KREV [171802]: Preliminary Local Storm Report

NWUS55 KREV 171802
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
1002 AM PST TUE FEB 17 2009

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

0900 AM SNOW LEE VINING 37.96N 119.12W
02/17/2009 M6.5 INCH MONO CA CO-OP OBSERVER

CO-OP OBSERVER REPORTED 6.5 INCHES OF NEW SNOWFALL IN THE
PAST 24 HOURS AT ELEVATION 6797 FT.

&&

$$

SSNYDER

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KBOI [171749]: Preliminary Local Storm Report

NWUS55 KBOI 171749
LSRBOI

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BOISE ID
1048 AM MST TUE FEB 17 2009

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

0830 AM SNOW 3 SSW KIMBERLY 42.49N 114.39W
02/17/2009 M2.0 INCH TWIN FALLS ID TRAINED SPOTTER

2 IN SNOW OVERNIGHT.

0830 AM SNOW 5 SE TWIN FALLS 42.50N 114.40W
02/17/2009 M2.0 INCH TWIN FALLS ID TRAINED SPOTTER

1 TO 2 IN. SNOW OVERNIGHT. PPRESENTLY LIGHT SNOW.

0830 AM SNOW 6 S ROGERSON 42.13N 114.59W
02/17/2009 M6.0 INCH TWIN FALLS ID TRAINED SPOTTER

6 TO 7 IN. OF SNOW OVERNIGHT. SNOWING LIGHTLY.

0830 AM SNOW 2 ESE HOLLISTER 42.34N 114.56W
02/17/2009 E6.0 INCH TWIN FALLS ID TRAINED SPOTTER

6 IN OVERNIGHT.

0830 AM SNOW 5 S TWIN FALLS 42.49N 114.48W
02/17/2009 M1.0 INCH TWIN FALLS ID TRAINED SPOTTER

1-2 IN OVERNIGHT. WET SNOW.

0830 AM SNOW RIDDLE 42.19N 116.11W
02/17/2009 E6.0 INCH OWYHEE ID TRAINED SPOTTER

6 INCHES OVERNIGHT AND SNOWING LIGHTLY.

0830 AM SNOW HOLLISTER 42.35N 114.59W
02/17/2009 M5.5 INCH TWIN FALLS ID CO-OP OBSERVER

5.5 INCHES OVERNIGHT. SNOW DEPTHS INCREASE AS YOU GO
SOUTH OUT OFF TWIN FALLS.

0830 AM SNOW 2 S GRASMERE 42.36N 115.88W
02/17/2009 E4.0 INCH OWYHEE ID TRAINED SPOTTER

4 IN. SNOW OVERNIGHT AND ALSO 4 INCHES 4 MILES TO THE
SOUTH.

&&

$$

LHOLT

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KRNK [171740]: Preliminary Local Storm Report...corrected

NWUS51 KRNK 171740
LSRRNK

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BLACKSBURG VA
1240 PM EST TUE FEB 17 2009

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

0810 PM TSTM WND DMG 4 W GALA 37.69N 79.89W
02/11/2009 BOTETOURT VA LAW ENFORCEMENT

TREE DOWN ON ROARING RUN ROAD.

&&

$$

HYSELL

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 171732
SWODY2
SPC AC 171729

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1129 AM CST TUE FEB 17 2009

VALID 181200Z - 191200Z

...THERE IS A SLGT RISK OF SVR TSTMS WED INTO WED NIGHT ACROSS MUCH
OF THE CNTRL/ERN GULF STATES....

...SYNOPSIS...
MODELS CONTINUE TO INDICATE THAT INTERACTING IMPULSES...WITHIN THE
NORTHERN AND SOUTHERN BRANCHES OF THE PREVAILING SPLIT UPPER FLOW
REGIME...WILL CONTRIBUTE TO AN AMPLIFYING LARGER SCALE TROUGH ACROSS
THE CENTRAL AND EASTERN U.S. BY LATE WEDNESDAY NIGHT/EARLY THURSDAY.
SIGNIFICANT SURFACE CYCLOGENESIS IS ALREADY UNDERWAY TO THE LEE OF
THE CENTRAL ROCKIES...IN ASSOCIATION WITH AN INITIAL SHORT WAVE
TROUGH EMANATING FROM THE INTERMOUNTAIN WEST. THE UPPER FEATURE IS
PROGGED TO ADVANCE EAST NORTHEASTWARD THROUGH THE MIDDLE MISSISSIPPI
VALLEY BY 12Z WEDNESDAY...BEFORE LIFTING THROUGH THE OHIO VALLEY
INTO THE NORTHEAST STATES BY 12Z THURSDAY. AT THE SAME TIME...A
VIGOROUS SHORT WAVE IMPULSE...PIVOTING AROUND A COLD EASTERN
CANADIAN VORTEX...IS PROGGED TO DIG SOUTH OF THE INTERNATIONAL
BORDER...ACROSS THE UPPER MISSISSIPPI VALLEY INTO THE OHIO VALLEY.
IN RESPONSE TO THESE DEVELOPMENTS...THE DEEPENING SURFACE LOW CENTER
IS EXPECTED TO MIGRATE ACROSS THE MIDDLE MISSISSIPPI VALLEY...BEFORE
REDEVELOPING NORTHEASTWARD THROUGH THE LOWER GREAT LAKES REGION BY
LATE WEDNESDAY/WEDNESDAY NIGHT.

A 50-70 KT SOUTHWESTERLY LOW-LEVEL JET ASSOCIATED WITH THE EVOLVING
SYSTEM SHOULD CONTRIBUTE TO A RAPID RETURN FLOW OFF THE WESTERN GULF
OF MEXICO...WHERE THE BOUNDARY LAYER IS WARM AND MOIST...WITH
SURFACE DEW POINTS IN THE 60S TO AROUND 70F. HOWEVER...THE CURRENT
COLD/DRY AIR MASS NOW IN PLACE ACROSS THE EASTERN
STATES...ASSOCIATED WITH A RETREATING SURFACE RIDGE...COMPLICATES
THE POTENTIAL FOR BOUNDARY LAYER DESTABILIZATION WITHIN A POSSIBLE
LARGE EVOLVING WARM SECTOR EAST OF THE MISSISSIPPI VALLEY. MOISTURE
RETURN TONIGHT INTO EARLY WEDNESDAY MAY BE FASTER THAN THE RETREAT
OF THE COLD AIR...RESULTING IN CONSIDERABLE LOW CLOUD COVER AND
PRECIPITATION ASSOCIATED WITH BROAD ISENTROPIC ASCENT. AND...AN
EVAPORATIVELY COOLED BOUNDARY LAYER MAY BE SLOW TO RECOVER DURING
THE DAY WEDNESDAY...PARTICULARLY TO THE LEE OF THE SOUTHERN
APPALACHIANS. THIS PROBABLY WILL ALSO BE THE CASE FROM THE
TENNESSEE VALLEY NORTHWARD THROUGH THE OHIO VALLEY...WHERE STRONGEST
MID-LEVEL FORCING ASSOCIATED WITH AN EASTWARD PROPAGATING 90-100+ KT
500 MB JET STREAK IS FORECAST.

...SOUTHEASTERN STATES...
MODEL DATA...INCLUDING THE SREF...INDICATE THAT LOWER/MID 60S
SURFACE DEW POINTS WILL LIKELY ADVECT INLAND THROUGH MUCH OF THE
CENTRAL/EASTERN GULF STATES WEDNESDAY. THIS WILL PROVIDE SUPPORT
FOR POTENTIAL WEAK TO MODERATE BOUNDARY LAYER BASED DESTABILIZATION
IN THE PRESENCE OF STRONG DEEP LAYER SHEAR. THERE ARE INDICATIONS
THAT A LOW-LEVEL CONFLUENCE ZONE...BENEATH THE SUBTROPICAL JET
AXIS...COULD BE A FOCUS FOR CONVECTIVE DEVELOPMENT THROUGH MUCH OF
THE DAY ACROSS PARTS OF SOUTHERN MISSISSIPPI AND ALABAMA INTO
SOUTHWEST GEORGIA. HOWEVER...A PRE-FRONTAL DRY LINE TYPE STRUCTURE
EXPECTED TO EXTEND FROM NORTHERN ALABAMA THROUGH SOUTHWEST
MISSISSIPPI BY MIDDAY MAY BE THE FOCUS FOR STRONGER CONVECTIVE
INSTABILITY AND POTENTIAL...BENEATH A MID LEVEL DRY SLOT.
INITIATION OF STORMS ALONG THIS BOUNDARY SEEMS MOST LIKELY ACROSS
PARTS OF THE UPPER TENNESSEE VALLEY...AIDED BY MID-LEVEL COOLING AND
FORCING ON THE SOUTHERN FRINGE OF THE POLAR TROUGH... WHICH SHOULD
THEN SPREAD SOUTHEASTWARD TOWARD THE SOUTH ATLANTIC COAST WITH
FURTHER TROUGH AMPLIFICATION.

A CLUSTER OF STORMS COULD EVOLVE WITH THIS FORCING ACROSS NORTHERN
/CENTRAL ALABAMA THROUGH CENTRAL/SOUTHERN GEORGIA DURING THE MID TO
LATE AFTERNOON INTO EVENING HOURS. WHILE THE RISK FOR DAMAGING
WINDS/HAIL MAY BECOME THE MOST PROMINENT SEVERE THREATS...SIZABLE
CLOCKWISE CURVED LOW-LEVEL HODOGRAPHS MAY BE SUPPORTIVE OF TORNADO
POTENTIAL WITH THE INITIAL MORE DISCRETE STORMS. OTHER MORE
DISCRETE STORMS ARE POSSIBLE SOUTHWESTWARD ALONG THE PRE-FRONTAL
BOUNDARY TOWARD THE CENTRAL GULF COAST...IN THE PRESENCE OF WEAKER
LARGE-SCALE FORCING. THIS MAY INCLUDE A COUPLE OF SUPERCELLS...
THOUGH THE EXTENT OF THE TORNADO POTENTIAL IS A BIT UNCLEAR DUE TO
THE ANTICIPATED TENDENCY FOR SHRINKING LOW-LEVEL HODOGRAPHS WITH
VEERING/WEAKENING OF LOW-LEVEL FLOW FIELDS.

..KERR.. 02/17/2009

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KPIH [171729]: Preliminary Local Storm Report

NWUS55 KPIH 171729
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
1028 AM MST TUE FEB 17 2009

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

1020 AM SNOW 2 SW VICTOR 43.58N 111.14W
02/17/2009 M3.5 INCH TETON ID TRAINED SPOTTER

SNOWFALL IN PAST 12 HOURS.

1022 AM SNOW 2 NE MENAN 43.74N 111.97W
02/17/2009 M2.0 INCH JEFFERSON ID TRAINED SPOTTER

SNOWFALL IN PAST 12 HOURS AND HAS STOPPED SNOWING.

&&

$$

GWICKLUN

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KDLH [171700]: Preliminary Local Storm Report

NWUS53 KDLH 171700
LSRDLH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DULUTH MN
1100 AM CST TUE FEB 17 2009

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

0600 AM SNOW KABETOGAMA 48.44N 93.03W
02/17/2009 M1.6 INCH ST. LOUIS MN CO-OP OBSERVER

24 HOUR TOTAL

0600 AM SNOW 1 NNE COOK 47.87N 92.68W
02/17/2009 M1.5 INCH ST. LOUIS MN CO-OP OBSERVER

24 HOUR TOTAL

0600 AM SNOW EMBARRASS 47.66N 92.20W
02/17/2009 M0.5 INCH ST. LOUIS MN CO-OP OBSERVER

0800 AM SNOW 3 W INDUS 48.63N 93.90W
02/17/2009 M2.8 INCH KOOCHICHING MN CO-OP OBSERVER

24 HOUR TOTAL

0800 AM SNOW 3 NNE FINLAND 47.45N 91.22W
02/17/2009 M1.0 INCH LAKE MN TRAINED SPOTTER

24 HOUR TOTAL

0828 AM SNOW 10 WSW GUNFLINT LAKE 48.04N 90.90W
02/17/2009 M2.5 INCH COOK MN CO-OP OBSERVER

24 HOUR ACCUMULATION

0900 AM SNOW 14 W ISABELLA 47.62N 91.66W
02/17/2009 M1.5 INCH LAKE MN CO-OP OBSERVER

24 HOUR TOTAL

&&

$$

SGOHDE

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KMTR [171645]: Preliminary Local Storm Report

NWUS56 KMTR 171645
LSRMTR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
844 AM PST TUE FEB 17 2009

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

0745 AM HAIL N BOULDER CREEK 37.14N 122.13W
02/17/2009 M0.25 INCH SANTA CRUZ CA TRAINED SPOTTER

OBSERVED WITH THUNDER AND LIGHTNING.

0750 AM HAIL 4 SSW CAMPBELL 37.23N 121.99W
02/17/2009 M0.25 INCH SANTA CLARA CA TRAINED SPOTTER

0755 AM HAIL 1 SSW MONTE SERENO 37.22N 122.00W
02/17/2009 M0.50 INCH SANTA CLARA CA PUBLIC

COCORAHS OBSERVER CA-SC-5. ALSO REPORTED MINOR FLOODING.

0815 AM HAIL N BOULDER CREEK 37.14N 122.13W
02/17/2009 M0.50 INCH SANTA CRUZ CA TRAINED SPOTTER

HAIL FELL 20 MIN AGO...WITH LEAVES OFF TREES.

0815 AM HAIL 4 SE BIG SUR RAWS 36.19N 121.73W
02/17/2009 M0.25 INCH MONTEREY CA PUBLIC

COCORAHS OBSERVER CA-MT-11

&&

$$

BTENTING

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 171612
SWODY1
SPC AC 171609

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1009 AM CST TUE FEB 17 2009

VALID 171630Z - 181200Z

...THERE IS A SLGT RISK OF SVR TSTMS OVER THE LWR MS AND TN VLYS...

...SYNOPSIS...
FAIRLY LOW AMPLITUDE PATTERN WILL PREVAIL OVER MUCH OF THE CONUS
THIS PERIOD AS FLAT RIDGE NOW OVER THE OZARKS/SRN PLNS CONTINUES E
TO THE MID/S ATLANTIC CST...AND UPR LOW NOW NEAR SFO DRIFTS E AND
WEAKENS. SHORTWAVE IMPULSE NOW MOVING THRU CENTRAL ROCKIES EXPECTED
TO ACCELERATE E ACROSS THE CNTRL PLNS LATER TODAY/TONIGHT AHEAD OF
NRN STREAM DISTURBANCE AMPLIFYING SE FROM *SK*/MB.

AT LWR LVLS...A STRENGTHENING SW TO WSWLY 850 JET WILL PREVAIL FROM
E TX AND THE NW GULF OF MEXICO INTO THE TN AND LWR OH VLYS. THIS
JET WILL OVERRIDE A MORE S OR SSWLY FLOW OF MODIFIED POLAR AIR
RETURNING NWD ON BACKSIDE OF RETREATING SFC RIDGE ALONG THE S
ATLANTIC CST. DEVELOPING SURFACE LOW LEE OF ROCKIES MOVES/DEEPENS
EWD TO MID MS VALLEY BY 12Z WED.

...LWR MS/TN VLYS...
SATELLITE AND GPS PW DATA SHOW FAIRLY RICH MOISTURE /PW AOA 1 INCH/
IN PLACE OVER THE ERN THIRD OF TX AND WRN LA. THIS MOISTURE WILL
SPREAD ENE INTO THE LWR MS AND TN VLYS WITH 50+ KT LLJ LATER
TODAY INCREASING TO 60-65KT OVERNIGHT...ATOP SHALLOW LAYER OF
COOLER/DRIER AIR AT THE SFC.

ALTHOUGH MODERATE SFC-BASED INSTABILITY MAY DEVELOP WITH DAYTIME
HEATING TODAY OVER E TX...COMBINATION OF LOW CLOUDS AND CAPPING
INVERSION ON S SIDE OF SRN STREAM JET SHOULD PROHIBIT TSTM
DEVELOPMENT. WILL NEVERTHELESS MAINTAIN LOW PROBABILITIES FOR THE
UNLIKELY DEVELOPMENT OF AN ISOLD STORM THERE THIS AFTN. FARTHER
ENE...EXPECT AREA OF WEAK ELEVATED CONVECTION NOW OVER AR AND THE
LWR TN VLY TO BE FOLLOWED BY ADDITIONAL...STRONGER DEVELOPMENT
TONIGHT/EARLY WEDNESDAY AS RICHER ELEVATED MOISTURE INFLOW IS LIFTED
BY STRENGTHENING WAA.

FORCING FOR ASCENT ACROSS REGION WILL BE LIMITED TO 850-700 MB WAA
AS DPVA WITH AFOREMENTIONED CENTRAL ROCKIES IMPULSE REMAINS WELL TO
THE N AND W. BUT COMBINATION OF INCREASING MOISTURE
AVAILABILITY...FAIRLY STEEP MID LVL LAPSE RATES...AND 55-65 KT
UNIDIRECTIONAL WLY FLOW IN THE 700-500 MB LAYER WILL SUPPORT STORM
ORGANIZATION/ SUSTENANCE. SLIGHTLY ELEVATED ROTATING STRUCTURES AND
BOWS WILL POSE A THREAT FOR SVR HAIL...AND...ESPECIALLY TOWARD
12Z...POSSIBLY DMGG WIND.

IN FAR E TX...WRN/NRN LA AND SRN AR...THERE EXISTS A POSSIBILITY FOR
SFC-BASED STORMS LATE IN THE PERIOD AS RESIDUAL MODIFIED POLAR AIR
IS REPLACED BY MARITIME AIR AT THE SFC. FOR THIS REASON... WILL
MAINTAIN LOW PROBABILITIES FOR TORNADOES AND WIND DAMAGE IN THOSE
AREAS.

...CA...
COLD UPPER LOW JUST OFF NRN CA COAST FILLS TODAY BUT WILL MAINTAIN A
MOIST UNSTABLE WESTERLY FLOW CENTRAL CA UNTIL THIS EVENING. SURFACE
LOW JUST OFF COAST NW OF SFO IS MAINTAINING A BACKED S/SELY BOUNDARY
LAYER FLOW CENTRAL VALLEY. THIS FAVORABLE SHEAR PROFILE SUPPORTS
POTENTIAL FOR ROTATING LOW TOPPED CONVECTION PROVIDED AIR MASS ABLE
TO GENERATE SOME SURFACE INSTABILITY. CURRENT CLOUDINESS/SHOWERS
SHOULD BREAK UP SUFFICIENTLY BY EARLY AFTERNOON FOR SOME SURFACE
HEATING. WITH STEEP LAPSE RATES AND A COUPLE HUNDRED J/KG OF SBCAPE
THIS AFTERNOON...A FEW STORMS COULD PRODUCE HAIL AND A BRIEF FUNNEL
CLOUD OR WEAK TORNADO. BY EVENING ANY THREAT OF STRONG STORMS
SHOULD BE OVER AS OVERALL SHEAR/FLOW WEAKENS AND AIRMASS STABILIZES.

..HALES.. 02/17/2009

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KPIH [171545]: Preliminary Local Storm Report

NWUS55 KPIH 171545
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
845 AM MST TUE FEB 17 2009

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

0833 AM SNOW PRESTON 42.10N 111.87W
02/17/2009 M5.0 INCH FRANKLIN ID CO-OP OBSERVER

11 HOURS OF NEW SNOWFALL. STILL SNOWING BUT VERY LIGHT.

&&

$$

GWICKLUN

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KPIH [171524]: Preliminary Local Storm Report

NWUS55 KPIH 171524
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
824 AM MST TUE FEB 17 2009

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

0815 AM SNOW SSE MONTPELIER 42.32N 111.30W
02/17/2009 M5.0 INCH BEAR LAKE ID TRAINED SPOTTER

MEASURED ACCUMULATION SINCE EVENT BEGAN, APPROX. 11 HOURS
AGO. CURRENTLY SNOWING LIGHTLY. TEMPERATURE NEAR
FREEZING.

0820 AM SNOW 12 S OAKLEY 42.07N 113.88W
02/17/2009 M2.3 INCH CASSIA ID TRAINED SPOTTER

NEW SNOW SINCE EVENT BEGAN 12 HOURS AGO. SNOWING VERY
LIGHTLY AT THIS TIME. WINDS ARE CALM AND TEMPERATURE AT
31 DEGREES.

&&

$$

GWICKLUN

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KFGF [171328]: Preliminary Local Storm Report

NWUS53 KFGF 171328
LSRFGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
728 AM CST TUE FEB 17 2009

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

0727 AM SNOW PEMBINA 48.97N 97.25W
02/17/2009 M2.0 INCH PEMBINA ND CO-OP OBSERVER

&&

$$

DKELLENB

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 171302
SWODY1
SPC AC 171259

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0659 AM CST TUE FEB 17 2009

VALID 171300Z - 181200Z

...THERE IS A SLGT RISK OF SVR TSTMS THE LWR MS AND TN VLYS...

...SYNOPSIS...
FAIRLY LOW AMPLITUDE PATTERN WILL PREVAIL OVER MUCH OF THE CONUS
THIS PERIOD AS FLAT RIDGE NOW OVER THE OZARKS/SRN PLNS CONTINUES E
TO THE MID/S ATLANTIC CST...AND UPR LOW NOW NEAR SFO DRIFTS E AND
WEAKENS. SHORTWAVE IMPULSE NOW OVER ERN UT EXPECTED TO ACCELERATE E
ACROSS THE CNTRL RCKYS/CNTRL PLNS LATER TODAY/TONIGHT AHEAD OF NRN
STREAM DISTURBANCE AMPLIFYING SE FROM SK/MB.

AT LWR LVLS...A STRENGTHENING SW TO WSWLY 850 JET WILL PREVAIL FROM
E TX AND THE NW GULF OF MEXICO INTO THE TN AND LWR OH VLYS. THIS
JET WILL OVERRIDE A MORE S OR SSWLY FLOW OF MODIFIED POLAR AIR
RETURNING NWD ON BACKSIDE OF RETREATING SFC RIDGE ALONG THE S
ATLANTIC CST.

...LWR MS/TN VLYS...
SATELLITE AND GPS PW DATA SHOW FAIRLY RICH MOISTURE /PW AOA 1 INCH/
IN PLACE OVER THE ERN THIRD OF TX AND WRN LA. THIS MOISTURE WILL
SPREAD ENE INTO THE LWR MS AND TN VLYS WITH 50+ KT LLJ LATER
TODAY/TONIGHT...ATOP SHALLOW LAYER OF COOLER/DRIER AIR AT THE SFC.

ALTHOUGH MODERATE SFC-BASED INSTABILITY MAY DEVELOP WITH DAYTIME
HEATING TODAY OVER E TX...COMBINATION OF LOW CLOUDS AND CAPPING
INVERSION ON S SIDE OF SRN STREAM JET SHOULD PROHIBIT TSTM
DEVELOPMENT. WILL NEVERTHELESS MAINTAIN LOW PROBABILITIES FOR THE
UNLIKELY DEVELOPMENT OF AN ISOLD STORM THERE THIS AFTN. FARTHER
ENE...EXPECT AREA OF WEAK ELEVATED CONVECTION NOW OVER AR AND THE
LWR TN VLY TO BE FOLLOWED BY ADDITIONAL...STRONGER DEVELOPMENT
TONIGHT/EARLY WEDNESDAY AS RICHER ELEVATED MOISTURE INFLOW IS LIFTED
BY STRENGTHENING WAA.

FORCING FOR ASCENT ACROSS REGION WILL BE LIMITED TO 850-700 MB WAA
AS DPVA WITH AFOREMENTIONED UT IMPULSE REMAINS WELL TO THE N AND W.
BUT COMBINATION OF INCREASING MOISTURE AVAILABILITY...FAIRLY STEEP
MID LVL LAPSE RATES...AND 55-65 KT UNIDIRECTIONAL WLY FLOW IN THE
700-500 MB LAYER WILL SUPPORT STORM ORGANIZATION/ SUSTENANCE.
SLIGHTLY ELEVATED ROTATING STRUCTURES AND BOWS WILL POSE A THREAT
FOR SVR HAIL...AND...ESPECIALLY TOWARD 12Z...POSSIBLY DMGG WIND.

IN FAR E TX...WRN/NRN LA AND SRN AR...THERE EXISTS A POSSIBILITY FOR
SFC-BASED STORMS LATE IN THE PERIOD AS RESIDUAL MODIFIED POLAR AIR
IS REPLACED BY MARITIME AIR AT THE SFC. FOR THIS REASON... WILL
MAINTAIN LOW PROBABILITIES FOR TORNADOES AND WIND DAMAGE IN THOSE
AREAS.

...CA...
COLDEST AIR ALOFT ASSOCIATED WITH UPR LOW NOW NEARING SFO WILL CROSS
THE BAY AREA AND CNTRL VLY AROUND MAX HEATING TIME. SATELLITE LOOPS
SUGGEST POTENTIAL FOR SOME BREAKS...WITH SFC HEATING ACTING ON
BOUNDARY LAYER LEFT MOISTENED BY RECENT RAINS. SETUP MAY SUPPORT A
FEW CLUSTERS OF STORMS WITH MARGINALLY SVR HAIL THROUGH LATE AFTN.

..CORFIDI.. 02/17/2009

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KMEG [171247]: Preliminary Local Storm Report

NWUS54 KMEG 171247
LSRMEG

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
646 AM CST TUE FEB 17 2009

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

0644 AM SLEET POCAHONTAS 36.26N 90.97W
02/17/2009 U0.00 INCH RANDOLPH AR LAW ENFORCEMENT

SLEET CONTINUES TO FALL ACROSS RANDOLPH COUNTY AND IS
ACCUMULATING ON BRIDGES. THE COUNTY HAS BEGUN BRIDGE
SANDING OPERATIONS.

&&

$$

JLH

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KPUB [171031]: Preliminary Local Storm Report

NWUS55 KPUB 171031
LSRPUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
331 AM MST TUE FEB 17 2009

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

0201 AM NON-TSTM WND GST 5 NE AIR FORCE ACADEMY 39.03N 104.80W
02/17/2009 M72 MPH EL PASO CO TRAINED SPOTTER

&&

$$

MOORE

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KVEF [170824]: Preliminary Local Storm Report

NWUS55 KVEF 170824
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1224 AM PST TUE FEB 17 2009

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

1110 PM HEAVY SNOW PIOCHE 37.93N 114.45W
02/16/2009 E8.0 INCH LINCOLN NV LAW ENFORCEMENT

THE LINCOLN COUNTY SHERRIFS OFFICE ESTIMATED 7 TO 8
INCHES OF SNOWFALL BETWEEN 5 PM AND 11 PM IN PIOCHE.

&&

$$

JH

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