Tuesday, October 23, 2012

KTFX [240356]: Preliminary Local Storm Report

NWUS55 KTFX 240356
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
940 PM MDT TUE OCT 23 2012

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

0930 PM SNOW HOBSON 47.00N 109.87W
10/23/2012 E2.0 INCH JUDITH BASIN MT TRAINED SPOTTER

STILL SNOWING AS OF 930 PM


&&

$$

BLANK

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KTFX [240341]: Preliminary Local Storm Report

NWUS55 KTFX 240341
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
940 PM MDT TUE OCT 23 2012

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

0930 PM SNOW HOBSON 47.00N 109.87W
10/23/2012 E2.0 INCH JUDITH BASIN MT TRAINED SPOTTER

STILL SNOWING AS OF 930 PM


&&

$$

BLANK

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KPIH [240220]: Preliminary Local Storm Report

NWUS55 KPIH 240220
LSRPIH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE POCATELLO
820 PM MDT TUE OCT 23 2012

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

0814 PM SNOW 33 WNW ARCO 43.82N 113.91W
10/23/2012 M7.2 INCH CUSTER ID MESONET

BEAR CANYON - 7903 FEET - STORM TOTAL

0814 PM SNOW 30 SW BURLEY 42.23N 114.20W
10/23/2012 M3.8 INCH CASSIA ID MESONET

BOSTETTER RANGER STN - 7503 FEET - STORM TOTAL

0814 PM HEAVY SNOW 16 WSW KETCHUM 43.60N 114.67W
10/23/2012 M10.0 INCH BLAINE ID MESONET

DOLLARHIDE SUMMIT - 8421 FEET - STORM TOTAL

0814 PM HEAVY SNOW 20 NE PRESTON 42.30N 111.60W
10/23/2012 M7.4 INCH FRANKLIN ID MESONET

EMIGRANT SUMMIT - 7390 FEET - STORM TOTAL

0814 PM HEAVY SNOW 17 SW MACKAY 43.74N 113.85W
10/23/2012 M11.2 INCH CUSTER ID MESONET

SMILEY MOUNTAIN - 9520 FEET - STORM TOTAL

0814 PM HEAVY SNOW 22 NW KETCHUM 43.91N 114.69W
10/23/2012 M8.4 INCH BLAINE ID MESONET

GALENA SUMMIT - 8782 FEET - STORM TOTAL

0814 PM HEAVY SNOW 10 NW KETCHUM 43.79N 114.52W
10/23/2012 M6.8 INCH BLAINE ID MESONET

LOST WOOD DIVIDE - 7903 FEET - STORM TOTAL


&&

$$

PANGEL

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KRIW [240130]: Preliminary Local Storm Report

NWUS55 KRIW 240130
LSRRIW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
730 PM MDT TUE OCT 23 2012

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

0838 PM HEAVY SNOW 23 NW DUBOIS 43.73N 110.01W
10/22/2012 E7.00 INCHES FREMONT WY PARK/FOREST SRVC

BROOKS LAKE LODGE

0842 PM SNOW 14 ESE OLD FAITHFUL 44.37N 110.58W
10/22/2012 E2.00 INCHES YELLOWSTONE WY MESONET

THUMB DIVIDE SNOTEL

0842 PM SNOW 21 W CLARK 44.94N 109.57W
10/22/2012 E4.00 INCHES PARK WY MESONET

BEARTOOTH LAKE SNOTEL

0843 PM SNOW 14 NE PAHASKA 44.65N 109.78W
10/22/2012 E3.00 INCHES PARK WY MESONET

EVENING STAR SNOTEL

0847 PM SNOW 1 WSW CANYON 44.72N 110.51W
10/22/2012 E1.00 INCHES YELLOWSTONE WY MESONET

CANYON SNOTEL

0516 PM HEAVY SNOW 1 SW KEMMERER 41.78N 110.56W
10/23/2012 M9.00 INCHES LINCOLN WY TRAINED SPOTTER

0517 PM SNOW 17.2 E THAYNE 42.97N 110.61W
10/23/2012 E4.00 INCHES LINCOLN WY PARK/FOREST SRVC

BLIND BULL SUMMIT

0518 PM HEAVY SNOW 5 NE ALTA 43.79N 110.94W
10/23/2012 E8.00 INCHES TETON WY PARK/FOREST SRVC

GRAND TARGHEE-CHIEF JOSEPH

0518 PM HEAVY SNOW 9.9 NNW JACKSON 43.60N 110.85W
10/23/2012 M8.00 INCHES TETON WY PARK/FOREST SRVC

JACKSON HOLE-RAYMER

0518 PM HEAVY SNOW 9.4 NNW JACKSON 43.59N 110.87W
10/23/2012 M10.00 INCHES TETON WY PARK/FOREST SRVC

JACKSON HOLE-RENDEZVOUS BOWL

0520 PM HEAVY SNOW TOGWOTEE MOUNTAIN LODGE 43.82N 110.18W
10/23/2012 E6.00 INCHES TETON WY PARK/FOREST SRVC

0521 PM SNOW 9.3 NNW JACKSON 43.59N 110.84W
10/23/2012 M5.00 INCHES TETON WY PARK/FOREST SRVC

JACKSON HOLE-MID

0533 PM SNOW 1 S JACKSON 43.46N 110.76W
10/23/2012 M1.00 INCHES TETON WY PUBLIC

SNOW KING SKI AREA

0539 PM HEAVY SNOW 24 ESE BOULDER 42.65N 109.26W
10/23/2012 E8.00 INCHES SUBLETTE WY MESONET

BIG SANDY OPENING SNOTEL

0539 PM SNOW 12 NNE PINEDALE 43.01N 109.76W
10/23/2012 E4.00 INCHES SUBLETTE WY MESONET

ELKHART PARK G.S. SNOTEL

0539 PM HEAVY SNOW 16 SW DUBOIS 43.38N 109.88W
10/23/2012 E8.00 INCHES SUBLETTE WY MESONET

GUNSITE PASS SNOTEL

0541 PM SNOW 22 N CORA 43.25N 110.02W
10/23/2012 E1.00 INCHES SUBLETTE WY MESONET

KENDALL RANGER STATION SNOTEL

0543 PM HEAVY SNOW 25 SW LANDER 42.58N 109.08W
10/23/2012 E6.00 INCHES SUBLETTE WY MESONET

LARSEN CREEK SNOTEL

0543 PM HEAVY SNOW 16 E BOULDER 42.71N 109.41W
10/23/2012 E11.00 INCHES SUBLETTE WY MESONET

POCKET CREEK SNOTEL

0545 PM HEAVY SNOW 14 W CROWHEART 43.28N 109.45W
10/23/2012 E13.00 INCHES FREMONT WY MESONET

COLD SPRINGS SNOTEL

0548 PM HEAVY SNOW 19 SSW LANDER 42.59N 108.90W
10/23/2012 E7.00 INCHES FREMONT WY MESONET

DEER PARK SNOTEL

0548 PM HEAVY SNOW 18 W LANDER 42.87N 109.09W
10/23/2012 E16.00 INCHES FREMONT WY MESONET

HOBBS PARK SNOTEL

0549 PM HEAVY SNOW 6 WSW DUBOIS 43.50N 109.75W
10/23/2012 E10.00 INCHES FREMONT WY MESONET

LITTLE WARM SNOTEL

0550 PM SNOW 7 NW ATLANTIC CITY 42.57N 108.84W
10/23/2012 E4.00 INCHES FREMONT WY MESONET

SOUTH PASS SNOTEL

0551 PM SNOW 26 NW LANDER 43.03N 109.17W
10/23/2012 E3.00 INCHES FREMONT WY MESONET

ST. LAWRENCE ALT SNOTEL

0552 PM SNOW 12 SW LANDER 42.70N 108.90W
10/23/2012 E2.00 INCHES FREMONT WY MESONET

TOWNSEND CREEK SNOTEL

0554 PM SNOW 19 SW BONDURANT 42.96N 110.61W
10/23/2012 E4.00 INCHES LINCOLN WY MESONET

BLIND BULL SUMMIT SNOTEL

0556 PM SNOW 8 SE AFTON 42.65N 110.81W
10/23/2012 E3.00 INCHES LINCOLN WY MESONET

COTTONWOOD CREEK SNOTEL

0556 PM SNOW 26 N KEMMERER 42.15N 110.68W
10/23/2012 E3.00 INCHES LINCOLN WY MESONET

HAMS FORK SNOTEL

0556 PM HEAVY SNOW 36 N KEMMERER 42.30N 110.68W
10/23/2012 E8.00 INCHES LINCOLN WY MESONET

INDIAN CREEK SNOTEL

0558 PM SNOW 15 NNE COKEVILLE 42.27N 110.81W
10/23/2012 E5.00 INCHES LINCOLN WY MESONET

KELLEY RANGER STATION SNOTEL

0558 PM SNOW 15 S AFTON 42.51N 110.91W
10/23/2012 E2.00 INCHES LINCOLN WY MESONET

SALT RIVER SUMMIT SNOTEL

0558 PM SNOW 21 W BIG PINEY 42.49N 110.53W
10/23/2012 E2.00 INCHES SUBLETTE WY MESONET

SNIDER BASIN SNOTEL

0600 PM HEAVY SNOW 19 SE AFTON 42.53N 110.66W
10/23/2012 E7.00 INCHES LINCOLN WY MESONET

SPRING CREEK DIVIDE SNOTEL

0601 PM SNOW 17 E AFTON 42.76N 110.59W
10/23/2012 E4.00 INCHES SUBLETTE WY MESONET

TRIPLE PEAK SNOTEL

0602 PM HEAVY SNOW 8 NE AFTON 42.82N 110.84W
10/23/2012 E7.00 INCHES LINCOLN WY MESONET

WILLOW CREEK SNOTEL

0604 PM SNOW 5 N SOUTH ENTRANCE 44.21N 110.67W
10/23/2012 E4.00 INCHES YELLOWSTONE WY MESONET

LEWIS LAKE DIVIDE SNOTEL

0604 PM SNOW 16 N PAHASKA 44.73N 109.91W
10/23/2012 E5.00 INCHES YELLOWSTONE WY MESONET

PARKER PEAK SNOTEL

0605 PM SNOW 10 W PAHASKA 44.48N 110.16W
10/23/2012 E4.00 INCHES YELLOWSTONE WY MESONET

SYLVAN LAKE SNOTEL

0605 PM SNOW 4 WSW PAHASKA 44.48N 110.04W
10/23/2012 E3.00 INCHES YELLOWSTONE WY MESONET

SYLVAN ROAD SNOTEL

0607 PM HEAVY SNOW 25 NE MORAN JUNCTION 44.15N 110.22W
10/23/2012 E10.00 INCHES YELLOWSTONE WY MESONET

TWO OCEAN PLATEAU SNOTEL

0609 PM HEAVY SNOW 19 WSW WAPITI 44.38N 109.79W
10/23/2012 E9.00 INCHES PARK WY MESONET

BLACKWATER SNOTEL

0610 PM SNOW 11 N DUBOIS 43.70N 109.67W
10/23/2012 E5.00 INCHES FREMONT WY MESONET

BURROUGHS CREEK SNOTEL

0614 PM SNOW 16 NE DUBOIS 43.67N 109.37W
10/23/2012 E3.00 INCHES FREMONT WY MESONET

CASTLE CREEK SNOTEL

0615 PM HEAVY SNOW 30 SW MEETEETSE 43.86N 109.32W
10/23/2012 E11.00 INCHES PARK WY MESONET

KIRWIN SNOTEL

0617 PM SNOW 18 SW CODY 44.30N 109.24W
10/23/2012 E2.00 INCHES PARK WY MESONET

MARQUETTE SNOTEL

0620 PM SNOW 40 W THERMOPOLIS 43.66N 109.01W
10/23/2012 E2.00 INCHES HOT SPRINGS WY MESONET

OWL CREEK SNOTEL

0621 PM SNOW 18 WSW MEETEETSE 44.03N 109.18W
10/23/2012 E2.00 INCHES PARK WY MESONET

TIMBER CREEK SNOTEL

0623 PM SNOW 56 SW CODY 43.93N 109.82W
10/23/2012 E4.00 INCHES PARK WY MESONET

YOUNTS PEAK SNOTEL

0625 PM HEAVY SNOW 6 ENE ALTA 43.78N 110.93W
10/23/2012 E8.00 INCHES TETON WY MESONET

GRAND TARGHEE SNOTEL

0627 PM SNOW 8 W SOUTH ENTRANCE 44.13N 110.83W
10/23/2012 E1.00 INCHES TETON WY MESONET

GRASSY LAKE SNOTEL

0628 PM SNOW 20 NE BONDURANT 43.39N 110.13W
10/23/2012 E2.00 INCHES TETON WY MESONET

GROS VENTRE SUMMIT SNOTEL

0628 PM SNOW 14 E BONDURANT 43.17N 110.14W
10/23/2012 E1.00 INCHES SUBLETTE WY MESONET

LOOMIS PARK SNOTEL

0632 PM HEAVY SNOW 8 WNW JACKSON 43.52N 110.91W
10/23/2012 E6.00 INCHES TETON WY MESONET

PHILLIPS BENCH SNOTEL

0633 PM HEAVY SNOW 25 NW DUBOIS 43.75N 110.06W
10/23/2012 E7.00 INCHES TETON WY MESONET

TOGWOTEE PASS SNOTEL

0634 PM SNOW 5 NNE THAYNE 42.97N 110.94W
10/23/2012 M4.50 INCHES LINCOLN WY COCORAHS

0634 PM SNOW 21 NNW KEMMERER 42.06N 110.67W
10/23/2012 M5.50 INCHES LINCOLN WY COCORAHS

0643 PM SNOW 5 SSE SMOOT 42.55N 110.88W
10/23/2012 M4.00 INCHES LINCOLN WY COCORAHS

0643 PM SNOW 1 N KEMMERER 41.79N 110.54W
10/23/2012 M3.00 INCHES LINCOLN WY COCORAHS

0644 PM SNOW 14 NW PINEDALE 42.98N 110.08W
10/23/2012 M1.10 INCHES SUBLETTE WY COCORAHS

0646 PM SNOW AFTON 42.72N 110.92W
10/23/2012 M4.80 INCHES LINCOLN WY PUBLIC

0646 PM SNOW 3 SE BEDFORD 42.87N 110.90W
10/23/2012 M1.00 INCHES LINCOLN WY CO-OP OBSERVER

0647 PM SNOW 2.5 SE BOULDER 42.71N 109.69W
10/23/2012 M2.00 INCHES SUBLETTE WY CO-OP OBSERVER

BOULDER REARING STATION

0714 PM SNOW DUBOIS 43.53N 109.65W
10/23/2012 M2.00 INCHES FREMONT WY CO-OP OBSERVER

0714 PM SNOW 5 N FARSON 42.18N 109.44W
10/23/2012 M2.00 INCHES SWEETWATER WY CO-OP OBSERVER

0715 PM SNOW SNAKE RIVER RANGER STAT 44.13N 110.66W
10/23/2012 M2.00 INCHES YELLOWSTONE WY CO-OP OBSERVER

0715 PM SNOW EAST ENTRANCE 44.48N 110.00W
10/23/2012 M1.00 INCHES PARK WY CO-OP OBSERVER

YELLOWSTONE EAST ENTRANCE

0716 PM SNOW 9 N DANIEL 42.98N 110.08W
10/23/2012 M0.50 INCHES SUBLETTE WY CWOP

0717 PM HEAVY SNOW 10 W KEMMERER 41.81N 110.71W
10/23/2012 M8.00 INCHES LINCOLN WY PARK/FOREST SRVC

THUNDER SNOW


&&

$$

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 240042
SWODY1
SPC AC 240040

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0740 PM CDT TUE OCT 23 2012

VALID 240100Z - 241200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
A LARGE TROUGH OVER THE WRN U.S. THROUGH THE END OF THE PERIOD WILL
BE RESPONSIBLE FOR AREAS OF CONVECTION THIS EVENING/OVERNIGHT -- ONE
AREA FROM THE MID AND UPPER MS VALLEY REGION EWD ACROSS THE OH
VALLEY/MIDWEST IN A BROAD ZONE OF WARM ADVECTION AHEAD OF THE
SYSTEM...AND A SECOND AREA INVOF THE PAC COAST WHERE COLD AIR ALOFT
IS RESULTING IN MODEST MID-LEVEL INSTABILITY. IN BOTH AREAS
HOWEVER...ONLY WEAK/ISOLATED/OCCASIONAL THUNDERSTORMS ARE
EXPECTED...AND SEVERE WEATHER IS NOT ANTICIPATED.

..GOSS.. 10/24/2012

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KMFR [240007]: Preliminary Local Storm Report

NWUS56 KMFR 240007
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
507 PM PDT TUE OCT 23 2012

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

0507 PM HEAVY RAIN 3 S BANDON 43.07N 124.42W
10/23/2012 M1.35 INCH COOS OR TRAINED SPOTTER

24 HOUR AMOUNT


&&

$$

BUNKER

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KGRR [232331]: Preliminary Local Storm Report

NWUS53 KGRR 232331
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
731 PM EDT TUE OCT 23 2012

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

0730 AM HEAVY RAIN 3 SW MERRILL 43.38N 84.37W
10/23/2012 M1.60 INCH GRATIOT MI PUBLIC

THIS WAS A 24 HOUR TOTAL.


&&

$$

WH

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KMFR [232312]: Preliminary Local Storm Report

NWUS56 KMFR 232312
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
412 PM PDT TUE OCT 23 2012

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

0411 PM HEAVY RAIN 2 N CAVE JUNCTION 42.19N 123.65W
10/23/2012 M1.55 INCH JOSEPHINE OR TRAINED SPOTTER

IN 24 HOURS ENDING AT 1600 PDT TUESDAY. RAIN MIXED WITH
SNOW FOR ABOUT 30 MINUTES THIS MORNING.


&&

$$

STOCKTON

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KMFR [232305]: Preliminary Local Storm Report

NWUS56 KMFR 232305
LSRMFR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEDFORD OR
405 PM PDT TUE OCT 23 2012

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

0402 PM HEAVY RAIN 5 SE CAVE JUNCTION 42.11N 123.58W
10/23/2012 M1.32 INCH JOSEPHINE OR TRAINED SPOTTER

IN 24 HOURS SINCE 4 PM PDT MONDAY.


&&

$$

STOCKTON

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KSTO [232303]: Preliminary Local Storm Report

NWUS56 KSTO 232303
LSRSTO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SACRAMENTO CA
402 PM PDT TUE OCT 23 2012

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

0410 PM TORNADO 3 WSW BROWNS VALLEY 39.23N 121.46W
10/22/2012 EF0 YUBA CA LAW ENFORCEMENT

THE NWS STORM SURVEY HAS RATED THE
10/22/2012 BROWNS VALLEY STORM AS AN EF0
TORNADO. THIS TORNADO TOUCHED DOWN IN A RICE
FIELD NEAR THE INTERSECTION OF SPRING VALLEY
ROAD AND JOINES ROAD AND TRAVELED A DISTANCE
OF AROUND 100 FEET TO THE NORTHEAST. WINDS
WERE ESTIMATED AT 70 TO 80 MPH. NO DAMAGE
WAS ASSOCIATED WITH THIS TORNADO.

&&

$$

IRIS SYSTEM

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KTFX [232156]: Preliminary Local Storm Report...summary

NWUS55 KTFX 232156
LSRTFX

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE GREAT FALLS MT
356 PM MDT TUE OCT 23 2012

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

0453 PM SNOW 8 WSW FAIRFIELD 47.58N 112.15W
10/22/2012 E1.0 INCH TETON MT TRAINED SPOTTER

SNOWING HEAVY RIGHT NOW

0816 PM SNOW 18 SSW FORESTGROVE 46.77N 109.28W
10/22/2012 E4.0 INCH FERGUS MT TRAINED SPOTTER

SWE 0.42

1000 PM SNOW 15 SW DUPUYER 48.06N 112.76W
10/22/2012 E6.0 INCH TETON MT MESONET

6 INCHES OF NEW SNOW...PAST 24 HOURS...AT DUPUYER
SNOTEL...ELEVATION 5750 FT

1200 AM SNOW 3 ENE HELENA 46.61N 111.96W
10/23/2012 M1.0 INCH LEWIS AND CLARK MT OFFICIAL NWS OBS

1 INCH OF NEW SNOW AT THE HELENA AIRPORT.

0100 AM SNOW 11 WSW BABB 48.80N 113.67W
10/23/2012 E6.0 INCH GLACIER MT MESONET

6 INCHES OF NEW SNOW...PAST 24 HOURS...AT MANY GLACIER
SNOTEL...ELEVATION 4900 FT

0119 AM SNOW 5 SW GREAT FALLS 47.46N 111.38W
10/23/2012 M2.6 INCH CASCADE MT OFFICIAL NWS OBS

2.6 INCHES TOTAL SNOWFALL THROUGH 0100 AM MDT AT NWS
FORECAST OFFICE.

0200 AM SNOW 11 SSW EAST GLACIER PAR 48.30N 113.33W
10/23/2012 E6.0 INCH GLACIER MT MESONET

6 INCHES OF NEW SNOW...PAST 24 HOURS...AT PIKE CREEK
SNOTEL...ELEVATION 5930 FT

0300 AM SNOW 23 W BYNUM 47.92N 112.79W
10/23/2012 E6.0 INCH TETON MT MESONET

6 INCHES OF NEW SNOW...PAST 24 HOURS...AT WALDRON
SNOTEL...ELEVATION 5600 FT

0423 AM SNOW 1 NW HEART BUTTE 48.30N 112.85W
10/23/2012 M5.4 INCH GLACIER MT CO-OP OBSERVER

5.4 INCHES OF SNOWFALL IN THE LAST 24 HOURS.

0500 AM SNOW 24 W BYNUM 47.92N 112.82W
10/23/2012 E5.0 INCH TETON MT MESONET

5 INCHES OF NEW SNOW...PAST 24 HOURS...AT MOUNT
LOCKHART SNOTEL...ELEVATION 6400 FT

0600 AM SNOW 26 NW SANTA RITA 48.99N 112.80W
10/23/2012 E7.0 INCH GLACIER MT OTHER FEDERAL

7 INCHES OF NEW SNOW...PAST 24 HOURS...AT DEL BONITA
PORT OF ENTRY...ELEVATION 4366 FT

0900 AM HEAVY SNOW SHELBY 48.51N 111.86W
10/23/2012 M6.0 INCH TOOLE MT CO-OP OBSERVER

6 INCHES OF NEW SNOW IN SHELBY IN THE PAST 12 HOURS.


&&

$$

SUK

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KPUB [232147]: Preliminary Local Storm Report...summary

NWUS55 KPUB 232147
LSRPUB

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE PUEBLO CO
345 PM MDT TUE OCT 23 2012

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

0157 PM NON-TSTM WND GST 1 WNW COLORADO CITY 37.95N 104.87W
10/23/2012 M70.00 MPH PUEBLO CO MESONET

COLORADO CITY RAWS SITE

0156 PM NON-TSTM WND GST 3 SSE RED WING 37.68N 105.28W
10/23/2012 M60.00 MPH HUERFANO CO MESONET

BLACK MOUNTAIN RAWS SITE

0156 PM NON-TSTM WND GST 5 WNW SAN ISABEL 38.02N 105.12W
10/23/2012 M68.00 MPH CUSTER CO MESONET

PSF3 RAWS SITE

0137 PM NON-TSTM WND GST 1 WNW LA VETA 37.52N 105.03W
10/23/2012 M64.00 MPH HUERFANO CO MESONET

LA VETA D8514. MEASURED GUSTS FOR 10 MINUTES AT 64 MPH.

1258 PM NON-TSTM WND GST 5 ESE WETMORE 38.21N 105.00W
10/23/2012 M79.00 MPH PUEBLO CO MESONET

RED CREEK RAWS SITE

1237 PM NON-TSTM WND GST 6 S COLORADO CITY 37.86N 104.83W
10/23/2012 M68.00 MPH HUERFANO CO MESONET

I-25 APACHE CITY CDOT SENSOR

1155 AM NON-TSTM WND GST 5 S STONEWALL 37.07N 105.02W
10/23/2012 M84.00 MPH LAS ANIMAS CO MESONET

TERCIO RANCH

0606 AM NON-TSTM WND GST 5 NNE ROSITA 38.16N 105.28W
10/23/2012 M76.00 MPH CUSTER CO TRAINED SPOTTER


&&

$$

LW

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KSTO [232129]: Preliminary Local Storm Report

NWUS56 KSTO 232129
LSRSTO

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SACRAMENTO CA
228 PM PDT TUE OCT 23 2012

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

0530 PM TORNADO HIGGINS CORNER 39.04N 121.09W
10/22/2012 EF1 NEVADA CA PUBLIC

THE NWS STORM SURVEY HAS RATED THE
10/22/2012 LAKE OF THE PINES STORM AS AN EF1
TORNADO. THIS TORNADO TOUCHED DOWN NEAR
HIGHWAY 49 AT COMBIE ROAD AND TRAVELED A
DISTANCE OF AROUND 4 MILES TO THE NORTHEAST.
WINDS WERE ESTIMATED AT 90 TO 100 MPH. MOST
OF THE DAMAGE WAS DONE TO TREES...WITH
SEVERAL 1 TO 3 FT DIAMETER TREE TRUNKS
SNAPPED AND MANY TREES UPROOTED. A FEW POWER
LINES WERE ALSO BLOWN OVER.

&&

$$

IRIS SYSTEM

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KEKA [232107]: Preliminary Local Storm Report

NWUS56 KEKA 232107
LSREKA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EUREKA CA
207 PM PDT TUE OCT 23 2012

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

0154 PM HAIL 3 SSW ARCATA ARPT 40.94N 124.12W
10/23/2012 E0.25 INCH HUMBOLDT CA COCORAHS

PEA SIZE HAIL MIXED WITH RAIN.


&&

$$

STP

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KPUB [232041]: Preliminary Local Storm Report

NWUS55 KPUB 232041
LSRPUB

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PUEBLO CO
241 PM MDT TUE OCT 23 2012

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

1155 AM NON-TSTM WND GST 5 S STONEWALL 37.07N 105.02W
10/23/2012 M84.00 MPH LAS ANIMAS CO MESONET

TERCIO RANCH

1237 PM NON-TSTM WND GST 6 S COLORADO CITY 37.86N 104.83W
10/23/2012 M68.00 MPH HUERFANO CO MESONET

I-25 APACHE CITY CDOT SENSOR

1258 PM NON-TSTM WND GST 5 ESE WETMORE 38.21N 105.00W
10/23/2012 M79.00 MPH PUEBLO CO MESONET

RED CREEK RAWS SITE

0137 PM NON-TSTM WND GST 1 WNW LA VETA 37.52N 105.03W
10/23/2012 M64.00 MPH HUERFANO CO MESONET

LA VETA D8514. MEASURED GUSTS FOR 10 MINUTES AT 64 MPH.

0156 PM NON-TSTM WND GST 3 SSE RED WING 37.68N 105.28W
10/23/2012 M60.00 MPH HUERFANO CO MESONET

BLACK MOUNTAIN RAWS SITE

0156 PM NON-TSTM WND GST 5 WNW SAN ISABEL 38.02N 105.12W
10/23/2012 M68.00 MPH CUSTER CO MESONET

PSF3 RAWS SITE

0157 PM NON-TSTM WND GST 1 WNW COLORADO CITY 37.95N 104.87W
10/23/2012 M70.00 MPH PUEBLO CO MESONET

COLORADO CITY RAWS SITE


&&

$$

KMOZLEY

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 231958
SWODY1
SPC AC 231957

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0257 PM CDT TUE OCT 23 2012

VALID 232000Z - 241200Z

...NO SVR TSTM AREAS FORECAST...

...SD TO ERN ND/NWRN MN...
FORCING FOR ASCENT ATTENDANT TO A SHORTWAVE TROUGH WILL CONTINUE TO
SPREAD NEWD ACROSS ERN ND AND NWRN MN THIS AFTERNOON AIDING IN
ADDITIONAL TSTM DEVELOPMENT. MEANWHILE...SUBSIDENCE IN THE WAKE OF
THIS TROUGH WILL RESULT IN A DIMINISHING TREND FOR DEEP CONVECTION
FROM SW-NE...WITH THIS TREND ALREADY UNDERWAY ACROSS SD AND SRN ND
PER THE LACK OF RECENT LIGHTNING STRIKES.

...GREAT LAKES AND OH VALLEY...
A PAIR OF SHORTWAVE TROUGHS MOVING EWD ACROSS THE UPPER GREAT LAKES
AND LOWER OH VALLEY WILL UNDERGO FURTHER WEAKENING AS THEY MOVE INTO
AN UPPER RIDGE AXIS EXTENDING FROM THE SERN STATES TO ONTARIO.
OVERALL TSTM COVERAGE IS EXPECTED TO DECREASE INTO THE EVENING AS
MASS FIELDS WEAKEN IN RESPONSE TO THE DEAMPLIFICATION OF THE
MIDLEVEL TROUGHS.

..PETERS.. 10/23/2012

.PREV DISCUSSION... /ISSUED 1129 AM CDT TUE OCT 23 2012/

...SYNOPSIS...
A BROAD TROUGH WILL PERSIST OVER THE PAC COAST AND NRN INTERMOUNTAIN

WEST...ALONG WITH A DOWNSTREAM RIDGE OVER THE UPPER MS VALLEY AND
GREAT LAKES. STEEP LAPSE RATE PROFILES WITH MARGINAL LOW-LEVEL
MOISTURE/BUOYANCY WILL SUPPORT A RISK FOR ISOLATED LOW-TOPPED
THUNDERSTORMS ALONG THE COAST FROM NRN CA TO WA. THERE WILL ALSO BE
A RISK FOR ISOLATED THUNDERSTORMS INTO THE SACRAMENTO VALLEY...WHERE
VERTICAL SHEAR WILL BE MARGINALLY FAVORABLE FOR LOW-TOPPED
SUPERCELLS. HOWEVER...THE EXPECTED VERY WEAK BUOYANCY SUGGESTS THAT
THE INTRODUCTION OF SEVERE STORM PROBABILITIES IS NOT NECESSARY.

OTHERWISE...CLUSTERS OF ELEVATED THUNDERSTORMS WILL CONTINUE ACROSS
THE GREAT LAKES/OH VALLEY REGIONS IN ASSOCIATION WITH LOW-LEVEL WAA
AND A WEAK EMBEDDED MIDLEVEL TROUGH MOVING EWD OVER IL/WI. FARTHER
TO THE W...THE LOW LEVELS WILL WARM/MOISTEN...BUT THIS WILL OCCUR
BENEATH A STRENGTHENING CAP SPREADING EWD FROM THE CENTRAL PLAINS.
CLOUDS WILL TEND TO LIMIT SURFACE HEATING INVOF THE SURFACE WARM
FRONT IN IA...AND THE CAP WILL BE MORE PRONOUNCED ALONG THE
DEVELOPING DRYLINE ACROSS KS/OK. THOUGH A CONDITIONAL SEVERE STORM
RISK EXISTS ACROSS THESE AREAS...THE PROBABILITY OF SURFACE-BASED
THUNDERSTORM INITIATION IS TOO LOW TO WARRANT THE INTRODUCTION OF
ANY UNCONDITIONAL SEVERE STORM PROBABILITIES.

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KGRR [230948]: Preliminary Local Storm Report

NWUS53 KGRR 230948
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
548 AM EDT TUE OCT 23 2012

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

1230 AM HEAVY RAIN 4 E KENTWOOD 42.90N 85.51W
10/23/2012 M1.23 INCH KENT MI OFFICIAL NWS OBS

STORM TOTAL RAINFALL AT NWS GRAND RAPIDS. RAIN FELL FROM
APPROXIMATELY 630PM TO 1230AM.


&&

$$

HOVING

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KGRR [230941]: Preliminary Local Storm Report

NWUS53 KGRR 230941
LSRGRR

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
541 AM EDT TUE OCT 23 2012

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

1200 AM HEAVY RAIN 5 S HUDSONVILLE 42.80N 85.86W
10/23/2012 M2.13 INCH OTTAWA MI MESONET

STORM TOTAL RAINFALL. THIS RAIN OCCURRED FROM 7PM TO
MIDNIGHT LOCAL.


&&

$$

HOVING

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DAY48SVR: Nws Storm Prediction Center Norman Ok

ACUS48 KWNS 230852
SWOD48
SPC AC 230851

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0351 AM CDT TUE OCT 23 2012

VALID 261200Z - 311200Z

...DISCUSSION...
00Z ECMWF/GEFS/UKMET REMAIN IN GOOD AGREEMENT REGARDING THE GRADUAL
EASTWARD-SHIFT OF A LONGWAVE TROUGH OVER THE CENTRAL/EASTERN CONUS
THROUGH THIS WEEKEND. A COLD FRONT IS EXPECTED TO SPREAD
EAST-SOUTHEASTWARD ACROSS THE EAST-CENTRAL CONUS THROUGH DAYS 4-6
/FRIDAY-SUNDAY/. TSTMS MAY REMAIN POSSIBLE ALONG THE COLD FRONT
INTO DAY 4/FRIDAY FOR AREAS SUCH OF THE MID-SOUTH/ARKLATEX. WHILE
SOME STRONG TSTMS MIGHT BE POSSIBLE...AN ORGANIZED/CONSEQUENTIAL
SEVERE RISK IS NOT CURRENTLY ANTICIPATED.

THEREAFTER...AS DRY/COLD CONDITIONS PREVAIL EAST OF THE
ROCKIES...RELATIVELY QUIESCENT CONDITIONS WITH RESPECT TO
DEEP CONVECTION ARE GENERALLY ANTICIPATED THROUGH THE WEEKEND INTO
EARLY NEXT WEEK.

..GUYER.. 10/23/2012

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KCYS [230844]: Preliminary Local Storm Report

NWUS55 KCYS 230844
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
243 AM MDT TUE OCT 23 2012

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

0210 AM NON-TSTM WND GST 7 ESE ARLINGTON 41.55N 106.09W
10/23/2012 M54 MPH CARBON WY MESONET

REPORTED AT WYDOT STATION WY24

&&

$$

IRIS SYSTEM

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DAY3SVR: Nws Storm Prediction Center Norman Ok

ACUS03 KWNS 230731
SWODY3
SPC AC 230730

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CDT TUE OCT 23 2012

VALID 251200Z - 261200Z

...SYNOPSIS...
AN EAST-NORTHEASTWARD SHIFTING LONGWAVE TROUGH WILL REMAIN PREVALENT
OVER THE WESTERN/CENTRAL PORTIONS OF THE CONUS/CANADA ON
THURSDAY...WITH TSTM /AND ANY SEVERE/ POTENTIAL TIED TO AN
EAST-SOUTHEASTWARD MOVING COLD FRONT EXTENDING FROM THE GREAT LAKES
REGION TO THE OZARKS/SOUTHERN PLAINS.

...MIDWEST/MIDDLE MS RIVER VALLEY...
SCATTERED CONVECTION MAY DIURNALLY INTENSIFY THURSDAY AFTERNOON
ALONG/AHEAD OF THE EASTWARD-ADVANCING COLD FRONT...ALTHOUGH THE MAIN
BRUNT OF THE UPPER TROUGH/ASSOCIATED FORCING FOR ASCENT IS LIKELY TO
GRADUALLY SPREAD NORTHEASTWARD AWAY FROM THE REGION /TOWARD CANADA/.
DESTABILIZATION NEAR/AHEAD OF THE FRONT WILL LIKELY REMAIN MEAGER
THURSDAY AFTERNOON...WITH CURRENT INDICATIONS THAT THE SPATIALLY
NARROW /ESPECIALLY WITH NORTHWARD EXTENT/ PRE-FRONTAL MOIST SECTOR
WILL BE LIMITED TO 500-750 J/KG OR LESS. EVEN SO...MODEST
PRE-FRONTAL HEATING/DESTABILIZATION AND A STRONG/UNIDIRECTIONAL DEEP
LAYER WIND FIELD MAY LEAD TO THE DEVELOPMENT OF SOME STRONG
LOW-TOPPED LINE SEGMENTS THURSDAY AFTERNOON INTO EVENING. WHILE A
PARTICULARLY ORGANIZED/SUSTAINED SEVERE RISK IS NOT CURRENTLY
EXPECTED...LOW PROBABILITIES APPEAR WARRANTED FOR THE POSSIBILITY OF
SEVERE WIND/PERHAPS SOME HAIL POTENTIAL.

..GUYER.. 10/23/2012

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KTFX [230721]: Preliminary Local Storm Report

NWUS55 KTFX 230721
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
121 AM MDT TUE OCT 23 2012

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

0119 AM SNOW 5 SW GREAT FALLS 47.46N 111.38W
10/23/2012 M2.6 INCH CASCADE MT OFFICIAL NWS OBS

2.6 INCHES TOTAL SNOWFALL THROUGH 0100 AM MDT AT NWS
FORECAST OFFICE.


&&

$$

HOENISCH

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KCYS [230702]: Preliminary Local Storm Report

NWUS55 KCYS 230702
LSRCYS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
101 AM MDT TUE OCT 23 2012

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

1210 AM NON-TSTM WND GST 3 NW ARLINGTON 41.62N 106.24W
10/23/2012 M57 MPH CARBON WY MESONET

REPORTED AT WYDOT STATION WY22

&&

$$

IRIS SYSTEM

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MESO: Mesoscale Discussion 2086

ACUS11 KWNS 230612
SWOMCD
SPC MCD 230612
MOZ000-ARZ000-230845-

MESOSCALE DISCUSSION 2086
NWS STORM PREDICTION CENTER NORMAN OK
0112 AM CDT TUE OCT 23 2012

AREAS AFFECTED...PORTIONS W-CENTRAL/SWRN MO.

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY

VALID 230612Z - 230845Z

PROBABILITY OF WATCH ISSUANCE...5 PERCENT

SUMMARY...CLUSTER OF TSTMS MAY OFFER THREAT FOR DAMAGING GUSTS
THROUGH ABOUT 08Z...ALONG WITH CONDITIONAL/BRIEF TORNADO RISK.
THREAT APPEARS TOO LOW AND CONFINED IN TIME/SPACE FOR WW.

DISCUSSION...SFC MESOANALYSIS SHOWS WEAK/RESIDUAL/QUASISTATIONARY
FRONTAL ZONE FROM W-CENTRAL MO SSWWD ACROSS NERN AND S-CENTRAL OK.
THIS FRONT SHOULD CONTINUE TO WEAKEN THROUGH REMAINDER OVERNIGHT
HOURS...BUT WILL DEMARCATE WRN PORTION OF NARROW MOIST PLUME...AXIS
OF WHICH PRECEDES FRONT BY ABOUT 50 NM. BOUNDARY-LAYER THETAE
DECREASES SUBSTANTIALLY WITH EWD EXTENT THROUGH OZARKS...I.E. SFC
DEW POINTS UPPER 60S F NEAR MOIST AXIS TO MID 50S IN FLP/UNO AREAS.
TSTMS OVER DISCUSSION AREA HAVE DEVELOPED AS STRONGEST DEEP-LAYER
ASCENT -- ASSOCIATED WITH MID-UPPER LEVEL SHORTWAVE TROUGH NOW
CROSSING WRN MO -- JUXTAPOSES WITH MOIST AXIS...OPTIMIZING BUOYANCY
THAT NONETHELESS IS MRGL. MODIFIED FCST SOUNDINGS SUGGEST SOME
WEAKENING OF STABLE LAYER BETWEEN 700-850 MB THAT CHARACTERIZED
REGIONAL 00Z RAOBS...PERMITTING EFFECTIVELY SFC-BASED PARCELS NEAR
MOIST AXIS...PRIMARILY OVER SWRN MO. ABOVE THAT...MLCAPE UP TO 500
J/KG AND MUCAPE 500-1000 J/KG ARE EVIDENT...ALONG WITH LLJ-ENHANCED
EFFECTIVE SRH OF 200-400 J/KG. RELATIVELY WEAK MIDLEVEL
WINDS...HOWEVER...LIMIT DEEP SHEAR...WITH EFFECTIVE SHEAR MAGNITUDES
ONLY 20-30 KT OVER MOST OF THIS AREA.

GIVEN THESE MIXED SIGNALS...NET EFFECT SHOULD BE CONTINUATION OF
MESSY AND MOSTLY MULTICELLULAR/CLUSTERED STORM MODES...BUT WITH
POTENTIAL FOR BRIEF/EMBEDDED MESOCYCLONE DEVELOPMENT. AS PLUME OF
STRONGEST LARGE-SCALE ASCENT SHIFTS NE OF RICHEST NEAR-SFC
MOISTURE...CONVECTION WILL SHIFT EWD AND NEWD ACROSS CENTRAL/SRN MO
AND BECOME MORE ELEVATED IN NATURE.

..EDWARDS/HART.. 10/23/2012

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

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

LAT...LON 36499419 38089381 38869355 38819314 38209291 37379275
36529277 36269338 36229382 36359410 36499419

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DAY2SVR: Nws Storm Prediction Center Norman Ok

ACUS02 KWNS 230601
SWODY2
SPC AC 230600

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0100 AM CDT TUE OCT 23 2012

VALID 241200Z - 251200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE UPPER MS
VALLEY/MIDDLE MO VALLEY...

...SYNOPSIS...
AN EASTWARD-SHIFTING LONGWAVE TROUGH WILL BE PREVALENT OVER THE
WESTERN HALF OF THE CONUS ON WEDNESDAY. STEADY HEIGHT FALLS ARE
EXPECTED OVER THE UPPER MIDWEST AND UPPER MS VALLEY ON THE PERIPHERY
OF A CLOSED/LEAD PORTION OF THE UPPER TROUGH OVER THE CENTRAL
CANADIAN PRAIRIES. STEADY SURFACE CYCLOGENESIS IS ANTICIPATED
ESPECIALLY INTO WEDNESDAY NIGHT ACROSS THE UPPER MS
VALLEY AND CENTRAL HIGH PLAINS...WITH A STRONG COLD FRONT BECOMING
INCREASINGLY DEFINED IN A NORTHEAST-SOUTHEAST ORIENTATION ACROSS THE
UPPER MIDWEST/UPPER MS VALLEY TO THE CENTRAL PLAINS BY WEDNESDAY
NIGHT.

...MIDDLE MO VALLEY/UPPER MIDWEST/UPPER MS VALLEY...
HEATING/DESTABILIZATION AND INCREASINGLY WEAK INHIBITION IS EXPECTED
NEAR/JUST AHEAD OF THE NORTHEAST-SOUTHWEST ORIENTED COLD FRONT AND
DEVELOPING SURFACE LOW WEDNESDAY AFTERNOON. BENEATH A RELATIVELY
STEEP PLUME OF MID LEVEL LAPSE RATES...LOWER 60S F SURFACE DEWPOINTS
MAY CONTRIBUTE TO AS MUCH AS 1500-2500 J/KG MLCAPE BY PEAK HEATING.
HOWEVER...THE LIKELIHOOD/EXTENT OF SURFACE BASED CONVECTIVE
DEVELOPMENT THROUGH PEAK HEATING REMAINS UNCERTAIN...ESPECIALLY
GIVEN INITIALLY MODEST BROAD SCALE FORCING FOR ASCENT AND THE
POSSIBILITY OF RESIDUAL CAPPING ALOFT VIA THE ELEVATED MIXED LAYER.
HOWEVER...ANY DEVELOPMENT THAT DOES OCCUR/MATURE THROUGH LATE
AFTERNOON/EARLY EVENING COULD POSE A SURFACE BASED SEVERE RISK GIVEN
AMPLE VERTICAL SHEAR/INSTABILITY...WITH SUPERCELLS AT LEAST
CONDITIONALLY POSSIBLE. THIS COULD INCLUDE SEVERE HAIL/WIND AND SOME
TORNADO POTENTIAL ACROSS PORTIONS OF IA/SOUTHERN MN INTO WESTERN WI.

A GREATER LIKELIHOOD WILL BE FOR CONVECTION TO INCREASE IN EARNEST
WEDNESDAY NIGHT NEAR MUCH OF THE EASTWARD-SHIFTING FRONTAL ZONE FROM
THE UPPER MS VALLEY TO THE CENTRAL PLAINS. THIS WILL BE AS FORCING
FOR ASCENT APPRECIABLY INCREASES LATE WEDNESDAY INTO THURSDAY WITH
AID OF LARGE SCALE HEIGHT FALLS AND A COUPLED UPPER JET. WITH
INCREASING FORCING FOR ASCENT/VERTICAL SHEAR...SUFFICIENT
MOISTURE/INSTABILITY ATTENDANT TO THE FRONTAL ZONE WILL ALLOW FOR
THE POSSIBILITY OF AT LEAST SPORADIC SEVERE HAIL. SOME STRONG/SEVERE
WIND GUSTS MAY ALSO BE POSSIBLE DURING THE EVENING...ALTHOUGH THE
UNDERCUTTING NATURE OF THE FRONT SHOULD TEMPER THIS POTENTIAL.

..GUYER.. 10/23/2012

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KEKA [230556]: Preliminary Local Storm Report

NWUS56 KEKA 230556
LSREKA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EUREKA CA
1055 PM PDT MON OCT 22 2012

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

1054 PM SNOW 6 SSW PEANUT 40.40N 123.21W
10/22/2012 U0.0 INCH TRINITY CA DEPT OF HIGHWAY

CHAINS REQUIRED FROM FOREST GLEN TO THE
JUNCTION OF SR3.

&&

$$

IRIS SYSTEM

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DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 230549
SWODY1
SPC AC 230547

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1247 AM CDT TUE OCT 23 2012

VALID 231200Z - 241200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...
SLOW STRENGTHENING/AMPLIFICATION OF THE LARGE-SCALE PATTERN IS
FORECAST THIS PERIOD...THOUGH LITTLE PROGRESSION OF THE FLOW FIELD
IS EXPECTED...AS THE WRN U.S. TROUGH STRENGTHENS BUT REMAINS IN
PLACE...AND IN CONJUNCTION THE DOWNSTREAM ERN U.S. RIDGE AMPLIFIES.
WITHIN THE ERN RIDGE...A SHORT-WAVE TROUGH IS FORECAST TO MOVE EWD
AND TRAVERSE THE OH VALLEY THROUGH THE PERIOD.

AT THE SURFACE...A COLD FRONT MOVING SLOWLY ACROSS THE ROCKIES IS
FORECAST TO EMERGE INTO THE PLAINS WITH TIME...BECOMING MORE
WELL-DEFINED DURING THE SECOND HALF OF THE PERIOD.

SHOWERS AND ISOLATED/ELEVATED THUNDERSTORMS ARE FORECAST TO
ACCOMPANY THE UPPER SHORT-WAVE TROUGH CROSSING THE MIDWEST.
MEANWHILE...CAPPING SHOULD LARGELY HINDER DIURNAL DEVELOPMENT ALONG
THE SURFACE FRONT WITH THE POSSIBLE EXCEPTION OF THE UPPER MS
VALLEY. IN BOTH AREAS...STORMS ARE FORECAST TO REMAIN SUB-SEVERE.

FARTHER W...SHOWERS AND ISOLATED/EMBEDDED THUNDERSTORMS WILL AGAIN
AFFECT COASTAL AREAS OF THE PAC NW AND INTO NRN CA...BUT HERE
ALSO...APPRECIABLE SEVERE POTENTIAL IS NOT ANTICIPATED.

..GOSS/GARNER.. 10/23/2012

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KREV [230443]: Preliminary Local Storm Report

NWUS55 KREV 230443
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
943 PM PDT MON OCT 22 2012

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

0941 PM SNOW 1 WNW MAMMOTH LAKES 37.65N 118.98W
10/22/2012 M11.0 INCH MONO CA TRAINED SPOTTER

STORM TOTAL SNOWFALL AT 8200 FEET SINCE LAST NIGHT. 3
INCHES ACCUMULATED SINCE 5 PM, STILL SNOWING MODERATELY.


&&

$$

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