Alert archive / Wyoming / Wind Chill Warnings in 2010
Wind Chill Warning 3, NWS Cheyenne, WY
NWS Cheyenne, WY issued this wind chill warning at Nov 24, 2010, 3:06 PM MST for Dawes County, Sioux County, Nebraska; 6 counties in Wyoming. It took effect at Nov 24, 2010, 8:00 PM MST. It was in force for 12 hr. 59 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 24, 2010, 3:06 PM MST (22:06 UTC)
- In effect from
- Nov 24, 2010, 8:00 PM MST
- Expired
- Nov 25, 2010, 8:00 AM MST
- In force
- 12 hr
- Issued by
- NWS Cheyenne, WY
Counties Dawes County, NE, Sioux County, NE, Albany County, WY, Carbon County, WY, Converse County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 123 km from the middle of the area, began a volume at 22:09 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 24, 8:00 PM MST | EXTR WIND CHILL -32 | 5 Ssw Lake Owen, WY | |
| Nov 24, 8:00 PM MST | EXTR WIND CHILL -30 | 11 Sse Garrett, WY | |
| Nov 24, 8:00 PM MST | EXTR WIND CHILL -25 | Esterbrook, WY | |
| Nov 24, 8:20 PM MST | EXTR WIND CHILL -30 | Arlington, WY | |
| Nov 24, 8:20 PM MST | EXTR WIND CHILL 30 | Arlington, WY | |
| Nov 24, 8:22 PM MST | EXTR WIND CHILL -29 | Vedauwoo, WY | |
| Nov 24, 8:42 PM MST | EXTR WIND CHILL -28 | Vedauwoo, WY | |
| Nov 24, 8:50 PM MST | NON-TSTM WND GST 72 | Bordeaux, WY | WIND GUST 58 TO 72 MPH. SUSTAINED WIND 40 TO 56 MPH. |
| Nov 24, 9:00 PM MST | EXTR WIND CHILL -33 | Arlington, WY | |
| Nov 24, 9:00 PM MST | EXTR WIND CHILL -27 | Vedauwoo, WY | |
| Nov 24, 9:00 PM MST | EXTR WIND CHILL -25 | 5 Ssw Lake Owen, WY | |
| Nov 24, 9:00 PM MST | EXTR WIND CHILL -25 | Rawlins, WY | |
| Nov 24, 9:00 PM MST | EXTR WIND CHILL -25 | Skyline, WY | |
| Nov 24, 9:23 PM MST | NON-TSTM WND GST 59 | Bordeaux, WY | WIND GUSTS 59 TO 72 MPH. SUSTAINED WIND 43 TO 56 MPH. |
| Nov 24, 9:26 PM MST | NON-TSTM WND GST 57 | Arlington, WY | SUSTAINED WIND SPEED 42. |
| Nov 24, 9:35 PM MST | NON-TSTM WND GST 59 | Bordeaux, WY | SUSTAINED WIND 36 TO 43 MPH. |
| Nov 24, 9:36 PM MST | NON-TSTM WND GST 58 | Arlington, WY | SUSTAINED WIND 40 TO 48 MPH. |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -35 | Arlington, WY | |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -32 | Centennial, WY | SAWMILL PARK RAWS |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -30 | 15 Sw Douglas, WY | DODGE CREEK RAWS SITE |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -30 | Saratoga, WY | SARATOGA DW1321 |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -30 | Skyline, WY | SKYLINE 230 WYO |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -30 | Vedauwoo, WY | |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -29 | Esterbrook, WY | |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -28 | Laramie, WY | |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -27 | Sinclair, WY | |
| Nov 24, 10:00 PM MST | EXTR WIND CHILL -26 | Rawlins, WY | |
| Nov 25, 1:20 AM MST | NON-TSTM WND GST 52 | Bordeaux, WY | SUSTAINED 41 MPH. |
| Nov 25, 1:20 AM MST | NON-TSTM WND GST 52 | Pumpkin Vine, WY | SUSTAINED 36 MPH. |
| Nov 25, 1:20 AM MST | NON-TSTM WND GST 58 | Arlington, WY | SUSTAINED 45 MPH. |
| Nov 25, 1:30 AM MST | NON-TSTM WND GST 56 | 21 Wsw Cheyenne, WY | SUSTAINED 46 MPH AT LYNCH. |
| Nov 25, 1:31 AM MST | NON-TSTM WND GST 60 | Pumpkin Vine, WY | SUSTAINED 40 MPH. |
| Nov 25, 1:45 AM MST | NON-TSTM WND GST 53 | Vedauwoo, WY | SUSTAINED 43 MPH. |
| Nov 25, 1:45 AM MST | NON-TSTM WND GST 60 | 21 Wsw Cheyenne, WY | SUSTAINED 58 MPH AT LYNCH. |
| Nov 25, 1:50 AM MST | EXTR WIND CHILL -37 | Vedauwoo, WY | |
| Nov 25, 1:50 AM MST | EXTR WIND CHILL -35 | 10 S Centennial, WY | |
| Nov 25, 1:50 AM MST | EXTR WIND CHILL -34 | Arlington, WY | |
| Nov 25, 2:26 AM MST | NON-TSTM WND GST 69 | Horse Creek, WY | |
| Nov 25, 2:50 AM MST | EXTR WIND CHILL -36 | 10 S Centennial, WY | |
| Nov 25, 2:50 AM MST | EXTR WIND CHILL -36 | Vedauwoo, WY | |
| Nov 25, 2:50 AM MST | EXTR WIND CHILL -35 | Arlington, WY | |
| Nov 25, 3:00 AM MST | NON-TSTM WND GST 67 | 21 Wsw Cheyenne, WY | SUSTAINED WIND 57 MPH AT LYNCH. |
| Nov 25, 3:00 AM MST | NON-TSTM WND GST 71 | Buford, WY | |
| Nov 25, 3:40 AM MST | NON-TSTM WND GST 57 | Arlington, WY | SUSTAINED 46 MPH. |
| Nov 25, 3:44 AM MST | NON-TSTM WND GST 65 | 27 Wsw Wheatland, WY | DODGE CREEK RAWS. |
| Nov 25, 4:00 AM MST | NON-TSTM WND GST 53 | Vedauwoo, WY | SUSTAINED WIND 43 MPH. |
| Nov 25, 5:00 AM MST | NON-TSTM WND GST 55 | Buford, WY | |
| Nov 25, 5:10 AM MST | NON-TSTM WND GST 51 | Bordeaux, WY | |
| Nov 25, 5:13 AM MST | NON-TSTM WND GST 58 | 13 Sse Laramie, WY | |
| Nov 25, 5:15 AM MST | NON-TSTM WND GST 58 | 21 Wsw Cheyenne, WY | GUST 61 AT 0455. |
| Nov 25, 5:15 AM MST | NON-TSTM WND GST 60 | Arlington, WY | |
| Nov 25, 5:34 AM MST | NON-TSTM WND GST 62 | 27 Wsw Wheatland, WY | |
| Nov 25, 5:51 AM MST | NON-TSTM WND GST 71 | Arlington, WY | 0546 70 MPH, 0541 71 MPH, 0536 71 MPH, 0531 71 MPH. |
| Nov 25, 6:00 AM MST | NON-TSTM WND GST 65 | Buford, WY | |
| Nov 25, 6:30 AM MST | NON-TSTM WND GST 52 | 21 Wsw Cheyenne, WY | 56 MPH AT 0615L. |
| Nov 25, 6:42 AM MST | NON-TSTM WND GST 59 | 13 Se Laramie, WY | |
| Nov 25, 6:45 AM MST | NON-TSTM WND GST 58 | Bordeaux, WY | |
| Nov 25, 6:46 AM MST | NON-TSTM WND GST 51 | 22 Sse Laramie, WY | |
| Nov 25, 8:00 AM MST | NON-TSTM WND GST 62 | Buford, WY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 10.1 hours before the alert went out and 260 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 143 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
468 WWUS45 KCYS 242206 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 306 PM MST WED NOV 24 2010 ...DANGEROUSLY COLD WIND CHILLS EXPECTED TONIGHT... .HIGH PRESSURE BUILDING IN FROM THE WEST WILL CONTINUE TO CAUSE STRONG AND GUSTY WINDS ALONG THE ROCKIES TONIGHT. THE FRIGID ARCTIC AIRMASS THAT IS SETTLING INTO THE REGION WILL DROP TEMPERATURES BELOW ZERO AS WELL. THE COMBINATION OF WINDS AND VERY COLD TEMPERATURES WILL PRODUCE DANGEROUSLY COLD WIND CHILLS ACROSS THE AREA. WYZ101>106-109-110-112>116-251500- /O.NEW.KCYS.WC.W.0003.101125T0300Z-101125T1500Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...BORDEAUX...RAWLINS...SINCLAIR...HANNA... ARLINGTON...ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE 306 PM MST WED NOV 24 2010 ...WIND CHILL WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST THURSDAY. * WIND CHILL VALUES...WIND CHILLS WILL DROP BELOW MINUS 30 DEGREES LATE THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY MORNING. * IMPACTS...PROLONGED EXPOSURE TO THESE VERY COLD TEMPERATURES AND WIND CHILLS WILL INJURE OR KILL EXPOSED LIVESTOCK OR HUMANS. WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS...SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO 10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$ RJM
4 follow-up statements
982 WWUS45 KCYS 250105 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 605 PM MST WED NOV 24 2010 ...DANGEROUSLY COLD WIND CHILLS EXPECTED TONIGHT... .HIGH PRESSURE BUILDING IN FROM THE WEST WILL CONTINUE TO CAUSE STRONG AND GUSTY WINDS ALONG THE ROCKIES TONIGHT. THE FRIGID ARCTIC AIRMASS THAT IS SETTLING INTO THE REGION WILL DROP TEMPERATURES BELOW ZERO AS WELL. THE COMBINATION OF WINDS AND VERY COLD TEMPERATURES WILL PRODUCE DANGEROUSLY COLD WIND CHILLS ACROSS THE AREA. WYZ101>106-109-110-112>116-251500- /O.CON.KCYS.WC.W.0003.101125T0300Z-101125T1500Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...BORDEAUX...RAWLINS...SINCLAIR...HANNA... ARLINGTON...ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE 605 PM MST WED NOV 24 2010 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. * WIND CHILL VALUES...WIND CHILLS WILL DROP BELOW MINUS 30 DEGREES LATE THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY MORNING. * IMPACTS...PROLONGED EXPOSURE TO THESE VERY COLD TEMPERATURES AND WIND CHILLS WILL INJURE OR KILL EXPOSED LIVESTOCK OR HUMANS. WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS... SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO 10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$ NEZ002-003-019>021-054-055-095-096-WYZ107-108-111-117>119-251500- /O.NEW.KCYS.WC.Y.0004.101125T0300Z-101125T1500Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-EAST PLATTE COUNTY-GOSHEN COUNTY- SOUTHWEST CARBON COUNTY-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY... TORRINGTON...BAGGS...DIXON...HORSE CREEK...HARRIMAN...WHITAKER... CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 605 PM MST WED NOV 24 2010 ...WIND CHILL ADVISORY IN EFFECT UNTIL 8 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM MST THURSDAY. * WIND CHILL VALUES...WIND CHILLS ARE EXPECTED TO FALL TO -20 TO -25 DEGREES OVERNIGHT TONIGHT ACROSS THE NEBRASKA PANHANDLE AND SOUTHEAST WYOMING EAST OF THE LARAMIE RANGE. * IMPACTS...WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS... SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS IN THE MINUS 20 TO 29 DEGREE RANGE FROSTBITE CAN OCCUR IN AS LITTLE AS 30 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$
023 WWUS45 KCYS 250154 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 654 PM MST WED NOV 24 2010 ...DANGEROUSLY COLD WIND CHILLS EXPECTED TONIGHT... .HIGH PRESSURE BUILDING IN FROM THE WEST WILL CONTINUE TO CAUSE STRONG AND GUSTY WINDS ALONG THE ROCKIES TONIGHT. THE FRIGID ARCTIC AIRMASS THAT IS SETTLING INTO THE REGION WILL DROP TEMPERATURES BELOW ZERO AS WELL. THE COMBINATION OF WINDS AND VERY COLD TEMPERATURES WILL PRODUCE DANGEROUSLY COLD WIND CHILLS ACROSS THE AREA. WYZ101>106-109-110-112>116-251500- /O.CON.KCYS.WC.W.0003.101125T0300Z-101125T1500Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...BORDEAUX...RAWLINS...SINCLAIR...HANNA... ARLINGTON...ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE 654 PM MST WED NOV 24 2010 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. * WIND CHILL VALUES...WIND CHILLS WILL DROP BELOW MINUS 30 DEGREES LATE THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY MORNING. * IMPACTS...PROLONGED EXPOSURE TO THESE VERY COLD TEMPERATURES AND WIND CHILLS WILL INJURE OR KILL EXPOSED LIVESTOCK OR HUMANS. WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS... SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO 10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$ NEZ002-003-019>021-054-055-095-096-WYZ107-108-111-117>119-251500- /O.CON.KCYS.WC.Y.0004.101125T0300Z-101125T1500Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-EAST PLATTE COUNTY-GOSHEN COUNTY- SOUTHWEST CARBON COUNTY-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY... TORRINGTON...BAGGS...DIXON...HORSE CREEK...HARRIMAN...WHITAKER... CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 654 PM MST WED NOV 24 2010 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. * WIND CHILL VALUES...WIND CHILLS ARE EXPECTED TO FALL TO MINUS 20 TO MINUS 25 DEGREES OVERNIGHT TONIGHT ACROSS THE NEBRASKA PANHANDLE AND SOUTHEAST WYOMING EAST OF THE LARAMIE RANGE. * IMPACTS...WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS... SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS IN THE MINUS 20 TO 29 DEGREE RANGE FROSTBITE CAN OCCUR IN AS LITTLE AS 30 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$
954 WWUS45 KCYS 250404 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 904 PM MST WED NOV 24 2010 ...DANGEROUSLY COLD WIND CHILLS EXPECTED TONIGHT... .HIGH PRESSURE BUILDING IN FROM THE WEST WILL CONTINUE TO CAUSE STRONG AND GUSTY WINDS ALONG THE ROCKIES TONIGHT. THE FRIGID ARCTIC AIRMASS THAT IS SETTLING INTO THE REGION WILL DROP TEMPERATURES BELOW ZERO AS WELL. THE COMBINATION OF WINDS AND VERY COLD TEMPERATURES WILL PRODUCE DANGEROUSLY COLD WIND CHILLS ACROSS THE AREA. NEZ002-095-251500- /O.UPG.KCYS.WC.Y.0004.000000T0000Z-101125T1500Z/ /O.EXA.KCYS.WC.W.0003.000000T0000Z-101125T1500Z/ DAWES-NORTH SIOUX- INCLUDING THE CITIES OF...CHADRON...HARRISON 904 PM MST WED NOV 24 2010 ...WIND CHILL WARNING IN EFFECT UNTIL 8 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL 8 AM MST THURSDAY. THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. * WIND CHILL VALUES...WIND CHILLS ARE EXPECTED TO FALL TO MINUS 25 TO MINUS 35 DEGREES OVERNIGHT TONIGHT ACROSS THE NORTHERN NEBRASKA PANHANDLE AND SOUTHEAST WYOMING EAST OF THE LARAMIE RANGE. * IMPACTS...PROLONGED EXPOSURE TO THESE VERY COLD TEMPERATURES AND WIND CHILLS WILL INJURE OR KILL EXPOSED LIVESTOCK OR HUMANS. WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS...SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO 10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMETIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$ WYZ101>106-109-110-112>116-251500- /O.CON.KCYS.WC.W.0003.000000T0000Z-101125T1500Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...BORDEAUX...RAWLINS...SINCLAIR...HANNA... ARLINGTON...ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE 904 PM MST WED NOV 24 2010 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY... A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. * WIND CHILL VALUES...WIND CHILLS WILL DROP BELOW MINUS 30 DEGREES LATE THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY MORNING. * IMPACTS...PROLONGED EXPOSURE TO THESE VERY COLD TEMPERATURES AND WIND CHILLS WILL INJURE OR KILL EXPOSED LIVESTOCK OR HUMANS. WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS... SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO 10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$ NEZ003-019>021-054-055-096-WYZ107-108-111-117>119-251500- /O.CON.KCYS.WC.Y.0004.000000T0000Z-101125T1500Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-EAST PLATTE COUNTY-GOSHEN COUNTY- SOUTHWEST CARBON COUNTY-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...BAGGS... DIXON...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...BURNS... CARPENTER...ALBIN...PINE BLUFFS 904 PM MST WED NOV 24 2010 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY... A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THURSDAY. * WIND CHILL VALUES...WIND CHILLS ARE EXPECTED TO FALL TO MINUS 20 TO MINUS 25 DEGREES OVERNIGHT TONIGHT ACROSS THE NEBRASKA PANHANDLE AND SOUTHEAST WYOMING EAST OF THE LARAMIE RANGE. * IMPACTS...WIND CHILL VALUES THIS LOW ARE EXTREMELY DANGEROUS...SO STAY INDOORS OR ADD EXTRA LAYERS AND COVER ALL EXPOSED SKIN IF YOU HAVE TO GO OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS IN THE MINUS 20 TO 29 DEGREE RANGE FROSTBITE CAN OCCUR IN AS LITTLE AS 30 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE NOSE. && $$
558 WWUS45 KCYS 251450 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 750 AM MST THU NOV 25 2010 NEZ002-095-WYZ101>106-109-110-112>116-251600- /O.EXP.KCYS.WC.W.0003.000000T0000Z-101125T1500Z/ DAWES-NORTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...CHADRON...HARRISON...DOUGLAS... GLENROCK...LUSK...MUDDY GAP...MEDICINE BOW...BORDEAUX...RAWLINS... SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...SARATOGA... ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING... LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE 750 AM MST THU NOV 25 2010 ...WIND CHILL WARNING WILL EXPIRE AT 8 AM MST THIS MORNING... THE WIND CHILL WARNING WILL EXPIRE AT 8 AM MST THIS MORNING. WIND CHILLS HAVE WARMED SOME THIS MORNING AND DANGEROUSLY LOW WIND CHILLS ARE NO LONGER EXPECTED. $$ NEZ003-019>021-054-055-096-WYZ107-108-111-117>119-251600- /O.EXP.KCYS.WC.Y.0004.000000T0000Z-101125T1500Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-EAST PLATTE COUNTY-GOSHEN COUNTY- SOUTHWEST CARBON COUNTY-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...BAGGS... DIXON...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...BURNS... CARPENTER...ALBIN...PINE BLUFFS 750 AM MST THU NOV 25 2010 ...WIND CHILL ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING... THE WIND CHILL ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING. WIND CHILLS HAVE WARMED THIS MORNING AND ARE EXPECTED TO CONTINUE TO WARM AS THE MORNING PROGRESSES. $$
What forecasters said that day
The local office's own words before this wind chill warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this wind chill warning went out at Nov 24, 10:42 AM MST, 4 hours 24 minutes earlier.
Area forecast discussion, Nov 24, 10:42 AM MST, 4 hours 24 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1042 AM MST WED NOV 24 2010
.UPDATE...UPDATED FORECAST TO CANCEL THE WINTER WEATHER ADVISORY
FOR THE SIERRA MADRE AND SNOWY RANGES. ALTHOUGH LOCALIZED BLOWING
SNOW IS EXPECTED THROUGH THE AFTERNOON...ACCUMULATING SNOWFALL HAS
ENDED ACROSS THE AREA. ALSO UPDATED WINDS...TEMPERATURES...AND
WIND CHILLS THIS AFTERNOON SINCE TEMPERATURES HAVE REMAINED
STEADY AND ARE EXPECTED TO LOWER FURTHER BY THIS EVENING.
.AVIATION...18Z TAF ISSUANCE...SNOW HAS DIMINISHED ACROSS THE AREA
SO HAVE REMOVED LOWER VIS AND VCSH. CAN NOT RULE OUT MVFR CIGS IN
AREAS TODAY...ESPECIALLY NEAR THE MOUNTAINS AND AT KCDR.
OTHERWISE...BRISK WEST TO NORTHWEST WINDS WILL CONTINUE THROUGH
THIS EVENING WITH SUSTAINED WINDS BETWEEN 15 TO 25 KTS AND GUSTS
UP TO 45 KTS EXPECTED. EXPECT THE HIGHER GUSTS TO DIMINISH BY LATE
THIS EVENING.
&&
.PREV DISCUSSION... /ISSUED 929 AM MST WED NOV 24 2010/
UPDATE...ONGOING GUSTY WINDS ACROSS THE WESTERN NEBRASKA PANHANDLE
WILL CONTINUE THROUGH THE LATE AFTERNOON DUE TO THE STRONG LLVL
PRESSURE GRADIENT CURRENTLY IN PLACE BEHIND THE DEPARTING ARCTIC
FRONT. POSTED A WIND ADVISORY THROUGH 4 PM MST AS A RESULT. WIND
CHILLS ACROSS THIS AREA WILL ALSO BE VERY COLD AS THE ARCTIC
AIRMASS SETTLES IN AND COMBINES WITH THE VERY STRONG WINDS. EXPECT
-10 TO -20 DEGREE WIND CHILLS TO OCCUR THROUGH THE LATE AFTERNOON.
RJM
PREV DISCUSSION... /ISSUED 409 AM MST WED NOV 24 2010/
SHORT TERM...TODAY THROUGH FRIDAY NIGHT
SATELLITE CONTINUES TO SHOW THAT THE STORM SYSTEM IS RAPIDLY MOVING
ACROSS CARBON COUNTY. SNOWFALL AMOUNTS HAVE NOT BEEN THAT
IMPRESSIVE ACROSS MOST OF CARBON COUNTY...THEREFORE AM
CONTEMPLATING DROPPING THE WINTER STORM WARNING FOR THE SOUTHERN
TWO THIRDS OF CARBON COUNTY AND JUST GO WITH A WINTER WEATHER
ADVISORY. FOR PLACE THAT HAVE THE WINTER WEATHER ADVISORY...WILL
JUST DROP ALL TOGETHER. WINDY CONDITIONS WILL OCCUR ACROSS THE
FORECAST AREA TODAY...SO TEMPERATURES WILL FEEL EVEN COLDER. THE
WINDS WILL ALSO CREATE AREAS OF BLOWING SNOW AND REDUCED
VISIBILITIES ACROSS CARBON COUNTY. CYCLONIC FLOW WILL BE ALOFT
TODAY AS THE MAIN UPPER LOW MOVES ACROSS MT. VERY COLD
TEMPERATURES WILL OCCUR TODAY AS A VERY COLD SURFACE HIGH BUILDS
IN BEHIND THE COLD FRONT WHICH IS ABOUT TO GO THE CYS AT THIS
TIME. THE COLD FRONT SHOULD BE EAST OF THE CWA EARLY THIS MORNING.
LIGHT SNOW WILL FALL IN THE SOUTHERN MOUNTAINS...WITH ADDITIONAL
ACCUMULATIONS OF 2 TO 3 INCHES BY EVENING. LIGHT SNOW WILL OCCUR
ACROSS THE LOWER ELEVATIONS OF THE CWA THIS MORNING...BUT
ACCUMULATIONS WILL ONLY BE AN INCH OR LESS. THE SNOW WILL LINGER
IN THE MOUNTAINS THIS AFTERNOON BUT WILL END ACROSS THE REST OF
THE AREA. VERY COLD WIND CHILLS WILL OCCUR ACROSS MUCH OF THE AREA
TONIGHT...ESPECIALLY IN AND WEST OF THE LARAMIE RANGE AND ACROSS
THE NORTHERN ZONES. A WIND CHILL WARNING OR ADVISORY WILL LIKELY
BE NEEDED FOR THIS AREA. THE UPPER LOW WILL MOVE ACROSS THE
NORTHERN PLAINS TONIGHT WITH THE AXIS EAST OF THE CWA BY 12Z THUR.
A SLIGHT CHANCE OF SNOW CAN BE EXPECTED IN THE SOUTHERN MOUNTAINS
TONIGHT...BUT DRY CONDITIONS WILL PREVAIL ACROSS THE REST OF THE
AREA. VERY WINDY CONDITIONS WILL OCCUR ONCE AGAIN ON THANKSGIVING
DAY...AND A HIGH WIND WARNING WILL LIKELY BE NEEDED FOR THE MOUNTAINS.
WILL DEFER TO DAY SHIFT TO AVOID CONFUSION WITH THE CURRENT AND UPCOMING
HIGHLIGHTS EXPECTED FOR TONIGHT. TEMPERATURES WILL RECOVER
SOMEWHAT ON THANKSGIVING AND WILL NOT BE AS COLD AS TODAY. THE NW
FLOW WILL CONT ALOFT ON FRI AND WARMER TEMPERATURES WILL OCCUR
ACROSS THE AREA AS AN UPPER RIDGE MOVES OVER THE WESTERN U.S. THE
UPPER RIDGE AXIS WILL BEGIN TO MOVE INTO THE WESTERN PORTION OF
THE CWA FRI NIGHT. TEMPERATURES THIS AFTERNOON WILL BE AT LEAST 20
DEGREES BELOW NORMAL. HIGH TEMPERATURES ON FRI WILL BE AROUND 15
DEGREES BELOW NORMAL AND 5 TO 10 DEGREES BELOW NORMAL ON SAT.
LONG TERM...SATURDAY THROUGH WEDNESDAY...
LOW AMPLITUDE MID/UPPER-LEVEL RIDGING WILL BE IN PLACE ACROSS THE
NORTHERN ROCKIES TO BEGIN THE PERIOD. THIS WILL YIELD DRY CONDITIONS
AND NEARLY SEASONAL TEMPERATURES ACROSS THE CWA FOR SATURDAY AND
SATURDAY NIGHT. MEDIUM RANGE GUIDANCE IS CONSISTENT IN SWINGING THE
NEXT UPPER SHORTWAVE AND ASSOCIATED COLD FRONT THROUGH SOUTHEAST
WYOMING AND THE WESTERN NEBRASKA PANHANDLE DURING THE DAY ON SUNDAY.
SO...SNOW CHANCES WILL BE ON THE INCREASE FOR AREAS WEST OF THE
LARAMIE RANGE DURING THE DAY ON SUNDAY...AND OUT ONTO THE EASTERN
PLAINS SUNDAY NIGHT. MODEL DIFFERENCES BEGIN TO EMERGE FOR SUNDAY
NIGHT THROUGH THE MIDDLE OF NEXT WEEK. BOTH THE 00Z GFS/GEM CLOSE
THIS SHORTWAVE OFF OVR THE CENTRAL HIGH PLAINS LATE MONDAY
NIGHT...WHILE THE 00Z ECMWF IS MUCH SLOWER AND DEEPER WITH THE
SYSTEM TRACKING IT ACROSS SRN COLORADO AND INTO THE SOUTHERN PLAINS
ON MONDAY. GENERALLY FOLLOWED THE QUICKER SOLUTION OF THE GFS/GEM
FOR THIS FORECAST. DOESNT LOOK LIKE A SIGNIFICANT EVENT WITH THIS
SYSTEM...BUT AN EVENTUALLY A HIGH POP/LOW SNOW ACCUM EVENT WILL BE
POSSIBLE. HIGH TEMPERATURES ON SUNDAY WILL BE HEAVILY RELIANT UPON
THE TIMING OF THE COLD FROPA...BUT SOME COOLING CAN BE EXPECTED.
POST-FRONTAL NORTHERLY WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH
WILL COMBINE WITH HIGH TEMPERATURES ONLY REACHING THE 20S TO MAKE
MONDAY A RATHER BLUSTERY DAY. THE MEDIUM RANGE DIFFERENCES CONTINUE
FOR TUESDAY AND WEDNESDAY...WITH THE 00Z GFS/GEM/GEFS MAINTAINING
DRY NORTHWEST FLOW...WHILE THE 00Z ECMWF DROPS ANOTHER SHORTWAVE
SOUTHEAST INTO THE NRN PLAINS. AGAIN...GIVEN THE RELATIVE RUN-TO-RUN
INCONSISTENCY EVIDENT IN THE ECMWF...FAVORED THE DRIER SOLUTION FOR
THIS PERIOD. TEMPERATURES WILL MODERATE BACK INTO THE 30S FOR
TUESDAY...AND EVEN LOW TO MID 40S OUT ON THE EASTERN PLAINS FOR
WEDNESDAY.
AVIATION...12Z TAF ISSUANCE...
THE COLD FRONT WILL HAVE CLEARED ALL OF THE TAF SITES BY THE TIME
THEY GO INTO AFFECT AT 12Z. BACK EDGE OF SNOW BAND NOW JUST
WORKING INTO KRWL...SO DO NOT EXPECT ANY MORE SIGNIFICANT SNOW
THERE. LIGHT SNOW WILL STILL BE POSSIBLE MAINLY AT THE KLAR/KCYS
TAF SITES THROUGH ABOUT 15Z. ONLY EXPECTING CONDITIONS TO DIP TO
MVFR/IFR WITH THIS BAND OF SNOW. THE SOUTHEAST WYOMING MOUNTAINS
WILL BE OBSCURED FROM THIS BAND. BY LATE THIS MORNING/EARLY
AFTERNOON BAND SHOULD BE IN THE PROCESS OF BREAKING UP WITH
CONDITIONS RETURN TO VFR EVERYWHERE. NORTHWEST WINDS WILL BE
BREEZY TODAY WITH GUSTS TO NEAR 30 KNOTS.
FIRE WEATHER...NO FIRE WEATHER CONCERNS AT THIS TIME.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...NONE.
NE...WIND ADVISORY UNTIL 4 PM WEDNESDAY FOR NEZ002-NEZ003-NEZ019-
NEZ020-NEZ021-NEZ054-NEZ055-NEZ095-NEZ096.
&&
SHORT TERM/AVIATION...
LONG TERM...Hazardous weather outlook, Nov 24, 6:18 AM MST, 8 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 618 AM MST WED NOV 24 2010 NEZ002-003-019>021-054-055-095-096-WYZ101>119-251215- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- 618 AM MST WED NOV 24 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE...EAST CENTRAL WYOMING...SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT STORM SYSTEM WILL CONTINUE TO WEAKEN AS IT PUSHES ACROSS THE AREA TODAY. COLD TEMPERATURES WILL COMBINE WITH NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH TO PRODUCE FRIGID WIND CHILLS OF -10 TO -20 BELOW ZERO...ESPECIALLY WEST OF THE LARAMIE RANGE TODAY AND TONIGHT. SNOW WILL CONTINUE TO FALL MAINLY IN THE MOUNTAINS OF SOUTHEAST WYOMING WHERE 1 TO 3 INCHES OF ADDITIONAL SNOW IS EXPECTED. SNOW WILL COMBINE WITH STRONG NORTHWEST WINDS TO REDUCE VISIBILITIES IN OPEN AREAS. A WINTER WEATHER ADVISORY IS IN EFFECT THROUGH NOON FOR THE SNOWY AND SIERRA MADRE RANGES. LIGHT SNOW WILL BE POSSIBLE ELSEWHERE...ALTHOUGH ANY ACCUMULATIONS WILL REMAIN LIGHT. .DAYS TWO THROUGH SEVEN...THANKSGIVING DAY THROUGH TUESDAY A BITTERLY COLD START TO THANKSGIVING DAY WITH LOW TEMPERATURES RANGING IN THE SINGLE DIGITS TO SINGLE DIGITS BELOW ZERO. AREAS WEST OF THE LARAMIE RANGE WILL SEE WIND CHILLS NEAR -25 DEGREES BELOW ZERO DURING THE MORNING HOURS. THE NEXT STORM SYSTEM WILL BRING ANOTHER ROUND OF LIGHT SNOW ACCUMULATIONS TO THE STATE SUNDAY AND SUNDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS TO THE NATIONAL WEATHER SERVICE OFFICE IN CHEYENNE. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE
In the hours before
Special weather statement, Nov 24, 9:11 AM MST, 5 hours 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 911 AM MST WED NOV 24 2010 WYZ101>119-241900- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 911 AM MST WED NOV 24 2010 ...GUSTY WINDS AND VERY COLD WIND CHILLS EXPECTED THROUGH THE LATE MORNING... AN ARCTIC AIRMASS HAS MOVED OVER THE AREA THIS MORNING AS A STRONG COLD FRONT PUSHES SOUTHEASTWARD OVER THE HIGH PLAINS. WINDS ARE GUSTING 30 TO 40 MPH BEHIND THIS FRONT...WITH SOME LOCALIZED SPOTS GUSTING IN EXCESS OF 60 MPH IN THE FOOTHILLS OF THE SOUTHERN LARAMIE RANGE. VERY COLD TEMPERATURES COMBINED WITH THESE GUSTY WINDS ARE PRODUCING VERY COLD WIND CHILLS BETWEEN 15 TO 25 BELOW ZERO ACROSS THE AREA. WINDS WILL GRADUALLY DECREASE THROUGH THE EARLY AFTERNOON ALLOWING WIND CHILLS TO RISE. THOSE PLANNING OUTDOOR ACTIVITIES TODAY ARE URGED TO DRESS WARMLY AND SHIELD EXPOSED SKIN. RJM
Special weather statement, Nov 24, 12:09 PM MST, 2 hours 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1209 PM MST WED NOV 24 2010 WYZ106-117-242100- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN... WHITAKER 1209 PM MST WED NOV 24 2010 ...LOCALIZED STRONG AND GUSTY WINDS TO CONTINUE... .LOCALLY STRONG AND GUSTY WINDS WILL OCCUR ALONG THE SOUTHERN LARAMIE RANGE FOOTHILLS FOR THE NEXT HOUR OR TWO. GUSTS 50 TO 60 MPH ARE LIKELY...PARTICULARLY NEAR THE BORDEAUX EXIT ALONG INTERSTATE 25.
Special weather statement, Nov 24, 1:32 PM MST, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 132 PM MST WED NOV 24 2010 WYZ106-117-118-242300- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE 132 PM MST WED NOV 24 2010 ...STRONG AND GUSTY WINDS TO CONTINUE... .STRONG AND GUSTY WINDS WILL OCCUR ALONG THE SOUTHERN LARAMIE RANGE FOOTHILLS AND CHEYENNE RIDGE THROUGH THE AFTERNOON. SUSTAINED WINDS 30 TO 40 MPH WITH GUSTS 45 TO 55 MPH WILL OCCUR.
Special weather statement, Nov 24, 2:13 PM MST, 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 213 PM MST WED NOV 24 2010 WYZ109>115-250115- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY- INCLUDING THE CITIES OF...RAWLINS...SINCLAIR...HANNA... ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...SARATOGA... ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING... LARAMIE 213 PM MST WED NOV 24 2010 ...AREAS OF BLOWING SNOW CAUSING REDUCED VISIBILITIES... .WYOMING DEPARTMENT OF TRANSPORTATION WEBCAMS SHOW AREAS OF BLOWING SNOW SIGNIFICANTLY REDUCING VISIBILITIES ALONG INTERSTATE 80 FROM JUST WEST OF LARAMIE THROUGH RAWLINS THIS AFTERNOON. EXPECT STRONG WESTERLY TO NORTHWESTERLY WINDS BETWEEN MILE MARKERS 201 AND 315 ALONG INTERSTATE 80 THIS AFTERNOON. SUSTAINED WINDS 30 TO 40 MPH WITH GUSTS 45 TO 55 MPH WILL OCCUR. THESE STRONG WINDS WILL REDUCE VISIBILITIES TO A FEW HUNDRED FEET AT TIMES...ESPECIALLY NEAR WALCOTT...ELK MOUNTAIN AND ARLINGTON THROUGH SUNSET THIS AFTERNOON...MAKING DRIVING HAZARDOUS AT TIMES. WYZ107-116>118-250115- EAST PLATTE COUNTY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK... HARRIMAN...WHITAKER...CHEYENNE 213 PM MST WED NOV 24 2010 ...STRONG AND GUSTY WINDS TO CONTINUE... .STRONG AND GUSTY WINDS WILL OCCUR ALONG THE SOUTHERN LARAMIE RANGE FOOTHILLS AND CHEYENNE RIDGE THROUGH THE AFTERNOON. SUSTAINED WINDS 30 TO 40 MPH WITH GUSTS 45 TO 55 MPH WILL OCCUR.
Local storm report, Nov 24, 2:56 PM MST, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
256 PM MST WED NOV 24 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 PM SNOW SAGE CREEK BASIN 41.40N 107.26W
11/24/2010 E5.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 7850. SWE 0.2.
0100 PM HEAVY SNOW DIVIDE PEAK 41.30N 107.15W
11/24/2010 E6.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 8880. SWE 0.2
0100 PM HEAVY SNOW BATTLE MOUNTAIN 41.05N 107.27W
11/24/2010 E10.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 7440. SWE 0.4.
0100 PM SNOW SANDSTONE RANGER STATIO 41.11N 107.17W
11/24/2010 E2.5 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 8150. SWE 0.1.
0100 PM SNOW OLD BATTLE 41.15N 106.97W
11/24/2010 E3.5 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 10000. SWE 0.1.
0100 PM SNOW WEBBER SPRINGS 41.16N 106.93W
11/24/2010 E3.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 9250.SWE 0.1.
0100 PM HEAVY SNOW LITTLE SNAKE RIVER 41.07N 106.94W
11/24/2010 E6.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION. 8915. SWE 0.2.
0100 PM HEAVY SNOW WHISKEY PARK 41.00N 106.91W
11/24/2010 E6.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 9820. SWE 0.2.
1200 PM SNOW SOUTH BRUSH CREEK 41.33N 106.50W
11/24/2010 E5.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 8440. SWE 0.2.
1200 PM HEAVY SNOW NORTH FRENCH CREEK 41.33N 106.38W
11/24/2010 E6.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 10130. SWE 0.2.
1200 PM HEAVY SNOW SAND LAKE 41.46N 106.28W
11/24/2010 E7.0 INCH CARBON WY MESONET
SNOTEL SITE. ELEVATION 10050. SWE 0.2.
1200 PM SNOW BROOKLYN LAKE 41.36N 106.23W
11/24/2010 E4.0 INCH ALBANY WY MESONET
SNOTEL SITE. ELEVATION 10240. SWE 0.1.
1200 PM SNOW 2 NE ROB ROY RESERVOIR 41.24N 106.23W
11/24/2010 E3.0 INCH ALBANY WY MESONET
SNOTEL SITE. ELEVATION 9574. SWE 0.1.
&&
DDEALThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 24, 9:01 AM MST | Wind Advisory | CYS | Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more | 9 hr |
| Nov 24, 4:52 AM MST | Winter Weather Advisory | CYS | Albany, Carbon | 6 hr |
| Nov 24, 3:49 PM MST | High Wind Watch | CYS | Albany, Carbon, Converse, Laramie, Platte | 13 hr |
Nearby
Wind Chill Warnings in Wyoming, 2010Wind Chill Warnings in Nebraska, 2010Every wind chill warning in 2010
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.