Alert archive / Nebraska / Winter Weather Advisories in 2012
Winter Weather Advisory 21, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter weather advisory at Dec 19, 2012, 2:38 PM MST for Cheyenne County, Kimball County, Nebraska; Laramie County, Wyoming. It took effect at Dec 20, 2012, 4:00 AM MST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2012, 2:38 PM MST (21:38 UTC)
- In effect from
- Dec 20, 2012, 4:00 AM MST
- Expired
- Dec 20, 2012, 10:14 AM MST
- In force
- 6 hr
- Issued by
- NWS Cheyenne, WY
Counties Cheyenne County, NE, Kimball County, NE, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 85 km from the middle of the area, began a volume at 21:38 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.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.6 hours before the alert went out and 160 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
- 729 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 447 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
864 WWUS45 KCYS 192138 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 238 PM MST WED DEC 19 2012 ...BRISK WINDS AND FLURRIES WILL END OVER THE SOUTHERN NEBRASKA PANHANDLE THROUGH EARLY THIS EVENING... ...STRONG WINDS AND BLOWING SNOW ARE EXPECTED LATE TONIGHT AND THURSDAY MORNING ALONG THE INTERSTATE 80 CORRIDOR EAST OF ARLINGTON... .THE PACIFIC STORM SYSTEM WAS OVER THE CENTRAL HIGH PLAINS EARLY THIS AFTERNOON AND WILL CONTINUE TO MOVE EAST TONIGHT. THE STORM WILL PRODUCE LIGHT SNOW OR FLURRIES AND BRISK WINDS THROUGH THE EARLY EVENING OVER THE SOUTHERN PANHANDLE. WEST TO NORTHWEST WINDS WILL BECOME STRONG LATE TONIGHT ALONG THE INTERSTATE CORRIDOR EAST OF ARLINGTON. THE WINDS WILL BE PRODUCED IN PART BY A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS THE REGION. WINDS WILL GUST AS HIGH AS 55 MPH IN SOUTHEAST WYOMING AND 45 MPH OVER THE SOUTHERN PANHANDLE LATE TONIGHT AND THURSDAY MORNING. THOSE WINDS ALONG WITH THE NEW...DRY SNOW WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...POOR VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS. IN ADDITION...WIND CHILL VALUES WILL BE WELL BELOW ZERO TONIGHT AND THURSDAY MORNING. WYZ117-118-201300- /O.CAN.KCYS.WS.W.0010.000000T0000Z-121220T0100Z/ /O.NEW.KCYS.BZ.W.0002.121220T0900Z-121220T1900Z/ SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...HORSE CREEK...HARRIMAN...WHITAKER... CHEYENNE 238 PM MST WED DEC 19 2012 ...BLIZZARD WARNING IN EFFECT FROM 2 AM TO NOON MST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 2 AM TO NOON MST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...FROM 2 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...WEST TO NORTHWEST WINDS WILL GUST AS HIGH AS 55 MPH. THE STRONG WINDS AND THE NEW...DRY SNOW WILL COMBINE TO PRODUCE VISIBILITIES FREQUENTLY LESS THAN ONE QUARTER OF A MILE. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ NEZ054-WYZ119-201300- /O.CAN.KCYS.WS.W.0010.000000T0000Z-121220T0100Z/ /O.NEW.KCYS.WW.Y.0021.121220T1100Z-121220T1900Z/ KIMBALL-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...KIMBALL...BURNS...CARPENTER...ALBIN... PINE BLUFFS 238 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO NOON MST THURSDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT FROM 4 AM TO NOON MST THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...FROM 4 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...NORTHWEST WINDS WILL GUST AS HIGH AS 45 MPH. THE COMBINATION OF THE STRONG WINDS AND NEW...DRY SNOW WILL CREATE VISIBILITIES FREQUENTLY TO ONE HALF MILE OR LESS. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. $$ NEZ020-WYZ112-114-192245- /O.CAN.KCYS.WS.W.0010.000000T0000Z-121220T0100Z/ BANNER-SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...HARRISBURG...CENTENNIAL...ALBANY... WOODS LANDING 238 PM MST WED DEC 19 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. THE SNOW HAS ENDED OVER THE MOUNTAINS AND THE WINDS WILL CONTINUE TO SLOWLY DECREASE. FOR THOSE REASONS...THE PREVIOUSLY ISSUED WINTER STORM WARNING HAS BEEN CANCELLED. $$ WYZ110-115-116-201300- /O.NEW.KCYS.BZ.W.0002.121220T0900Z-121220T1900Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE 238 PM MST WED DEC 19 2012 ...BLIZZARD WARNING IN EFFECT FROM 2 AM TO NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 2 AM TO NOON MST THURSDAY. * TIMING...FROM 2 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...WEST WINDS WILL GUST AS HIGH AS 55 MPH. THE STRONG WINDS AND THE NEW...DRY SNOW WILL COMBINE TO PRODUCE VISIBILITIES FREQUENTLY LESS THAN ONE QUARTER OF A MILE. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ NEZ055-201300- /O.NEW.KCYS.WW.Y.0021.121220T1100Z-121220T1900Z/ /O.CON.KCYS.WS.W.0012.000000T0000Z-121220T0100Z/ CHEYENNE- INCLUDING THE CITY OF...SIDNEY 238 PM MST WED DEC 19 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO NOON MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT FROM 4 AM TO NOON MST THURSDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * TIMING...SNOW WILL CONTINUE INTO THE LATE AFTERNOON BEFORE TAPERING OFF. * TOTAL SNOW ACCUMULATIONS...4 TO 7 INCHES. * WINDS/VISIBILITIES...NORTH WINDS WILL GUST AS HIGH AS 40 MPH THROUGH THE AFTERNOON. THEN NORTHWEST WINDS WILL GUST AS HIGH AS 45 MPH LATE TONIGHT AND THURSDAY MORNING. THOSE WINDS ALONG WITH THE NEW...DRY SNOW WILL PRODUCE VISIBILITIES FREQUENTLY ONE HALF MILE OR LESS IN BLOWING SNOW. * IMPACTS...ROADS WILL BE SNOW COVERED AND SLIPPERY AND VISIBILITIES WILL BE SIGNIFICANTLY REDUCED. THESE CONDITIONS WILL MAKE TRAVEL VERY DIFFICULT. LATE TONIGHT AND THURSDAY MORNING TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ NEZ021-200100- /O.CON.KCYS.WW.Y.0020.000000T0000Z-121220T0100Z/ MORRILL- INCLUDING THE CITIES OF...BRIDGEPORT...BAYARD 238 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * TIMING...SNOW WILL TAPER OFF LATE THIS AFTERNOON. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES. * WINDS/VISIBILITIES...NORTH WINDS WILL GUST AS HIGH AS 40 MPH THROUGH THE AFTERNOON. THE COMBINATION OF GUSTY WINDS AND FALLING SNOW WILL PRODUCE VISIBILITIES TO ONE HALF MILE OR LESS AT TIMES IN OPEN AREAS. * IMPACTS...ROADS WILL BE SNOW COVERED AND SLIPPERY AND VISIBILITIES WILL BE REDUCED. THESE CONDITIONS WILL MAKE MAKING TRAVEL VERY DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WEILAND
5 follow-up statements
501 WWUS45 KCYS 200124 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 624 PM MST WED DEC 19 2012 ...STRONG WINDS AND BLOWING SNOW ARE EXPECTED LATE TONIGHT AND THURSDAY MORNING ALONG THE INTERSTATE 80 CORRIDOR EAST OF ARLINGTON... .WEST TO NORTHWEST WINDS WILL BECOME STRONG LATE TONIGHT ALONG THE INTERSTATE CORRIDOR EAST OF ARLINGTON. THE WINDS WILL BE PRODUCED IN PART BY A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS THE REGION. WINDS WILL GUST AS HIGH AS 55 MPH IN SOUTHEAST WYOMING AND 45 MPH OVER THE SOUTHERN PANHANDLE LATE TONIGHT AND THURSDAY MORNING. THOSE WINDS ALONG WITH THE NEW...DRY SNOW WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...POOR VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS. WIND CHILL VALUES WILL BE WELL BELOW ZERO TONIGHT AND THURSDAY MORNING...RANGING FROM 15 BELOW ZERO TO 30 BELOW ZERO WEST OF A DOUGLAS TO CHEYENNE LINE...AND 10 BELOW ZERO TO 20 BELOW ZERO ACROSS WESTERN NEBRASKA. NEZ055-201400- /O.EXP.KCYS.WS.W.0012.000000T0000Z-121220T0100Z/ /O.CON.KCYS.WW.Y.0021.121220T1100Z-121220T1900Z/ CHEYENNE- INCLUDING THE CITY OF...SIDNEY 624 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY... ...WINTER STORM WARNING HAS EXPIRED... THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY. * TIMING...4 AM TO NOON MST THURSDAY. * WINDS/VISIBILITIES...NORTH WINDS WILL GUST AS HIGH AS 40 MPH THROUGH THE AFTERNOON. THEN NORTHWEST WINDS WILL GUST AS HIGH AS 45 MPH LATE TONIGHT AND THURSDAY MORNING. THOSE WINDS ALONG WITH THE NEW...DRY SNOW WILL PRODUCE VISIBILITIES FREQUENTLY ONE HALF MILE OR LESS IN BLOWING SNOW. * IMPACTS...ROADS WILL BE SNOW COVERED AND SLIPPERY AND VISIBILITIES WILL BE SIGNIFICANTLY REDUCED. THESE CONDITIONS WILL MAKE TRAVEL VERY DIFFICULT. LATE TONIGHT AND THURSDAY MORNING TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ NEZ021-200230- /O.EXP.KCYS.WW.Y.0020.000000T0000Z-121220T0100Z/ MORRILL- INCLUDING THE CITIES OF...BRIDGEPORT...BAYARD 624 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY HAS EXPIRED... THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. $$ WYZ110-115>118-201400- /O.CON.KCYS.BZ.W.0002.121220T0900Z-121220T1900Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE 624 PM MST WED DEC 19 2012 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST THURSDAY... A BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST THURSDAY. * TIMING...FROM 2 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...WEST WINDS WILL GUST AS HIGH AS 55 MPH. THE STRONG WINDS AND THE NEW...DRY SNOW WILL COMBINE TO PRODUCE VISIBILITIES FREQUENTLY LESS THAN ONE QUARTER OF A MILE. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ NEZ054-WYZ119-201400- /O.CON.KCYS.WW.Y.0021.121220T1100Z-121220T1900Z/ KIMBALL-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...KIMBALL...BURNS...CARPENTER...ALBIN... PINE BLUFFS 624 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY. * TIMING...FROM 4 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...NORTHWEST WINDS WILL GUST AS HIGH AS 45 MPH. THE COMBINATION OF THE STRONG WINDS AND NEW...DRY SNOW WILL CREATE VISIBILITIES FREQUENTLY TO ONE HALF MILE OR LESS. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. $$ RUBIN
316 WWUS45 KCYS 200129 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 629 PM MST WED DEC 19 2012 ...STRONG WINDS AND BLOWING SNOW ARE EXPECTED LATE TONIGHT AND THURSDAY MORNING ALONG THE INTERSTATE 80 CORRIDOR EAST OF ARLINGTON... .WEST TO NORTHWEST WINDS WILL BECOME STRONG LATE TONIGHT ALONG THE INTERSTATE CORRIDOR EAST OF ARLINGTON. THE WINDS WILL BE PRODUCED IN PART BY A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS THE REGION. WINDS WILL GUST AS HIGH AS 55 MPH IN SOUTHEAST WYOMING AND 45 MPH OVER THE SOUTHERN PANHANDLE LATE TONIGHT AND THURSDAY MORNING. THOSE WINDS ALONG WITH THE NEW...DRY SNOW WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...POOR VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS. WIND CHILL VALUES WILL BE WELL BELOW ZERO TONIGHT AND THURSDAY MORNING...RANGING FROM 15 BELOW ZERO TO 30 BELOW ZERO WEST OF A DOUGLAS TO CHEYENNE LINE...AND 10 BELOW ZERO TO 20 BELOW ZERO ACROSS WESTERN NEBRASKA. WYZ110-115>118-201500- /O.CON.KCYS.BZ.W.0002.121220T0900Z-121220T1900Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE 629 PM MST WED DEC 19 2012 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST THURSDAY... A BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST THURSDAY. * TIMING...FROM 2 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...WEST WINDS WILL GUST AS HIGH AS 55 MPH. THE STRONG WINDS AND THE NEW...DRY SNOW WILL COMBINE TO PRODUCE VISIBILITIES FREQUENTLY LESS THAN ONE QUARTER OF A MILE. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ NEZ054-055-WYZ119-201500- /O.CON.KCYS.WW.Y.0021.121220T1100Z-121220T1900Z/ KIMBALL-CHEYENNE-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...KIMBALL...SIDNEY...BURNS...CARPENTER... ALBIN...PINE BLUFFS 629 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY. * TIMING...FROM 4 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...NORTHWEST WINDS WILL GUST AS HIGH AS 45 MPH. THE COMBINATION OF THE STRONG WINDS AND NEW...DRY SNOW WILL CREATE VISIBILITIES FREQUENTLY TO ONE HALF MILE OR LESS. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. $$ RUBIN
507 WWUS45 KCYS 200434 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 934 PM MST WED DEC 19 2012 ...STRONG WINDS AND BLOWING SNOW ARE EXPECTED LATE TONIGHT AND THURSDAY MORNING ALONG THE INTERSTATE 80 CORRIDOR EAST OF ARLINGTON... .WEST TO NORTHWEST WINDS WILL BECOME STRONG LATE TONIGHT ALONG THE INTERSTATE CORRIDOR EAST OF ARLINGTON. THE WINDS WILL BE PRODUCED IN PART BY A LARGE DIFFERENCE IN SURFACE PRESSURE ACROSS THE REGION. WINDS WILL GUST AS HIGH AS 55 MPH IN SOUTHEAST WYOMING AND 45 MPH OVER THE SOUTHERN PANHANDLE LATE TONIGHT AND THURSDAY MORNING. THOSE WINDS ALONG WITH THE NEW...DRY SNOW WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...POOR VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS. WIND CHILL VALUES WILL BE WELL BELOW ZERO TONIGHT AND THURSDAY MORNING...RANGING FROM 20 BELOW ZERO TO 40 BELOW ZERO WEST OF A DOUGLAS TO CHEYENNE LINE...AND 10 BELOW ZERO TO 25 BELOW ZERO ELSEWHERE. THESE DANGEROUSLY COLD WIND CHILL TEMPERATURES CAN INDUCE FROSTBITE AND HYPOTHERMIA IN A SHORT TIME IF YOUR SKIN IS NOT ADEQUATELY PROTECTED FROM THE COLD. WYZ110-115>118-201600- /O.CON.KCYS.BZ.W.0002.121220T0900Z-121220T1900Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE 934 PM MST WED DEC 19 2012 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST THURSDAY... A BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST THURSDAY. * TIMING...FROM 2 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...WEST WINDS WILL GUST AS HIGH AS 55 MPH. THE STRONG WINDS AND THE NEW...DRY SNOW WILL COMBINE TO PRODUCE VISIBILITIES FREQUENTLY LESS THAN ONE QUARTER OF A MILE. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ NEZ054-055-WYZ119-201600- /O.CON.KCYS.WW.Y.0021.121220T1100Z-121220T1900Z/ KIMBALL-CHEYENNE-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...KIMBALL...SIDNEY...BURNS...CARPENTER... ALBIN...PINE BLUFFS 934 PM MST WED DEC 19 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON MST THURSDAY FOR BLOWING SNOW. * TIMING...FROM 4 AM TO NOON THURSDAY. * WINDS/VISIBILITIES...NORTHWEST WINDS WILL GUST AS HIGH AS 45 MPH. THE COMBINATION OF THE STRONG WINDS AND NEW...DRY SNOW WILL CREATE VISIBILITIES FREQUENTLY TO ONE HALF MILE OR LESS. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK...VISIBILITIES WILL BE VERY LOW AND WIND CHILL VALUES WILL BE WELL BELOW ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. $$ RUBIN
011 WWUS45 KCYS 200859 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 159 AM MST THU DEC 20 2012 ...STRONG WINDS AND BLOWING SNOW ARE EXPECTED MAINLY THIS MORNING ALONG PARTS OF THE INTERSTATE 80 CORRIDOR... .STRONG AND GUSTY WEST TO NORTHWEST WINDS ARE OCCURRING ALONG PARTS OF THE INTERSTATE 80 CORRIDOR EAST OF ARLINGTON TO JUST WEST OF CHEYENNE. THESE WINDS WILL PERSIST WHILE SPREADING EASTWARD INTO THE SOUTHERN NEBRASKA PANHANDLE THIS MORNING. THE WINDS ALONG WITH THE NEW...DRY SNOW WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...POOR VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS....ESPECIALLY OVER FAR SOUTHEAST WYOMING. WYZ110-115>118-201900- /O.CON.KCYS.BZ.W.0002.121220T0900Z-121220T1900Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE 159 AM MST THU DEC 20 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * TIMING...UNTIL NOON TODAY. * WINDS/VISIBILITIES...WEST WINDS WILL GUST FROM 45 TO 55 MPH. THE STRONG WINDS AND THE NEW...DRY SNOW WILL COMBINE TO PRODUCE VISIBILITIES FREQUENTLY LESS THAN ONE QUARTER OF A MILE ESPECIALLY IN OPEN AREAS DUE TO BLOWING AND DRIFTING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK WITH VISIBILITIES VERY LOW IN SOME AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO LOCAL WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ NEZ054-055-WYZ119-201900- /O.CON.KCYS.WW.Y.0021.121220T1100Z-121220T1900Z/ KIMBALL-CHEYENNE-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...KIMBALL...SIDNEY...BURNS...CARPENTER... ALBIN...PINE BLUFFS 159 AM MST THU DEC 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY. * TIMING...FROM 4 AM TO NOON TODAY. * WINDS/VISIBILITIES...NORTHWEST WINDS WILL GUST AS HIGH AS 40 MPH. THE COMBINATION OF THE STRONG WINDS AND NEW...DRY SNOW WILL CREATE VISIBILITIES FREQUENTLY TO ONE HALF MILE OR LESS. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS. ROADS WILL BE SNOWPACKED AND SLICK WITH VISIBILITIES LOW IN SOME AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. $$
822 WWUS45 KCYS 201714 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1014 AM MST THU DEC 20 2012 ...STRONG WINDS AND BLOWING SNOW ARE EXPECTED TO CONTINUE FOR THE NEXT FEW HOURS ALONG INTERSTATE 80 BETWEEN LARAMIE AND CHEYENNE... .STRONG AND GUSTY WEST TO NORTHWEST WINDS ARE OCCURRING ALONG PARTS OF THE INTERSTATE 80 CORRIDOR EAST OF ARLINGTON TO JUST WEST OF CHEYENNE. THESE WINDS WILL PERSIST THROUGH THE EARLY AFTERNOON. THE WINDS ALONG WITH THE NEW...DRY SNOW WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...POOR VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS....BETWEEN LARAMIE AND CHEYENNE. WYZ110-115-201815- /O.CAN.KCYS.BZ.W.0002.000000T0000Z-121220T1900Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE 1014 AM MST THU DEC 20 2012 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE BLIZZARD WARNING. SOME AREAS OF BLOWING SNOW WILL BE POSSIBLE BETWEEN ARLINGTON AND LARAMIE THROUGH THE AFTERNOON BUT BLIZZARD CONDITIONS ARE NOT EXPECTED AT THIS TIME. $$ NEZ054-055-WYZ119-201815- /O.CAN.KCYS.WW.Y.0021.000000T0000Z-121220T1900Z/ KIMBALL-CHEYENNE-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...KIMBALL...SIDNEY...BURNS...CARPENTER... ALBIN...PINE BLUFFS 1014 AM MST THU DEC 20 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. PATCHY AREAS OF BLOWING SNOW WILL BE POSSIBLE IN OPEN AREAS OF THE SOUTHERN NEBRASKA PANHANDLE BUT WIDESPREAD BLOWING SNOW IS NOT EXPECTED AT THIS TIME. $$ WYZ116>118-201900- /O.CON.KCYS.BZ.W.0002.000000T0000Z-121220T1900Z/ SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE... HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE 1014 AM MST THU DEC 20 2012 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. * TIMING...UNTIL NOON TODAY. * WINDS/VISIBILITIES...WEST WINDS WILL GUST FROM 45 TO 55 MPH. THE STRONG WINDS AND THE NEW...DRY SNOW WILL COMBINE TO PRODUCE VISIBILITIES FREQUENTLY LESS THAN ONE QUARTER OF A MILE ESPECIALLY IN OPEN AREAS DUE TO BLOWING AND DRIFTING SNOW. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE DIFFICULT AND HAZARDOUS...ESPECIALLY TRAVEL ALONG INTERSTATE 80 FROM LARAMIE TO CHEYENNE. ROADS WILL BE SNOWPACKED AND SLICK WITH VISIBILITIES VERY LOW IN SOME AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO LOCAL WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ FINCH
What forecasters said that day
The local office's own words before this winter weather advisory 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 winter weather advisory went out at Dec 19, 11:33 AM MST, 3 hours 5 minutes earlier.
Area forecast discussion, Dec 19, 11:33 AM MST, 3 hours 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1133 AM MST WED DEC 19 2012
.DISCUSSION...
SNOW HAS TAPERED OFF OR ENDED OVER MUCH OF SOUTHEAST WYOMING AS THE
STORM SYSTEM HEADS SLOWLY EAST. WILL GO AHEAD AND CANCEL MOST OF
THE HIGHLIGHTS FOR THOSE AREAS.
&&
.PREVIOUS DISCUSSION.../ISSUED AT 932 AM MST WED DEC 19 2012/...
.DISCUSSION...
SNOW HAS SPREAD OVER MUCH OF THE PANHANDLE AT MID MORNING WITH
MODERATE SNOWFALL IN SOME LOCATIONS. OVER THE WEST PART OF THE CWA
THE SNOW HAS STARTED TO TAPER OFF. THE BAROCLINIC CLOUD BAND WAS
WEAKENING SOME WITH CLOUD TOPS STARTING TO WARM. THE BAND WAS AHEAD
OF THE SHORTWAVE TROUGH CURRENTLY OVER THE CENTRAL ROCKIES. THAT
FEATURE WILL CONTINUE TO MOVE SLOWLY EAST AND BE OVER THE WESTERN
NEBRASKA PANHANDLE BY 00Z. WINDS HAVE ALSO INCREASED OVER THE EAST
PART OF THE CWA AND WAS PRODUCING BLOWING AND DRIFTING SNOW. WILL
CONTINUE TO MONITOR AND MAY NEED TO UPGRADE CURRENT HIGHLIGHTS TO
A BLIZZARD WARNING FROM EAST OF KCYS TO KSNY. WILL CONTINUE
HIGHLIGHTS AS IS...WITH SOME OVER THE WEST PART OF THE CWA EXPIRING
AT 19Z.
.AVIATION...18Z TAF ISSUANCE...
MVFR OR IFR CEILINGS AND VISIBILITIES IN SNOW AND BLOWING SNOW WILL
CONTINUE OVER MUCH OF THE CWA THROUGH THE AFTERNOON. CONDITIONS
WILL SLOWLY IMPROVE FROM WEST TO EAST OVER THE CWA FROM EARLY THIS
AFTERNOON TO TO EARLY EVENING. THE MOUNTAINS WILL BE OBSCURED
THROUGH 00Z. VFR CONDITIONS WILL RETURN TO THE CWA TONIGHT AND
CONTINUE THROUGH THE WEEKEND. LOWER VISIBILITIES MAY RETURN TO
SOME AREAS LATER TONIGHT AND THROUGH THURSDAY AS WESTERLY WINDS
WILL BE STRONG.
NORTHERLY SURFACE WINDS WILL GUST AS HIGH AS 35 KNOTS OVER MAINLY
THE EAST PART OF THE CWA THROUGH 00Z. WINDS WILL DIMINISH AND THEN
BECOME STRONG AND FROM THE WEST OVER SOUTHEAST WYOMING AFTER 06Z AND
CONTINUE THROUGH THURSDAY. SOME GUSTS WILL BE AS HIGH AS 50 KNOTS
IN AREAS ALONG AND WEST OF THE LARAMIE RANGE.
&&
.PREVIOUS DISCUSSION.../ISSUED AT 451 AM MST WED DEC 19 2012/...
SHORT TERM...
IMPRESSIVE SNOW BAND WHICH SET UP OVER CHEYENNE LAST EVENING
DUMPED 7 TO 9 INCHES OF SNOW OVER THE CITY IN ABOUT 4 HOURS TIME.
MODELS DID INDICATE AN AREA OF NEGATIVE EPV BETWEEN 700-750 MB
WHICH COINCIDED WITH AN AREA OF FRONTOGENESIS. IT APPEARS
FRONTOGENETIC FORCING RELEASED THE AVAILABLE INSTABILITY...
ALLOWING FOR IMPRESSIVE SNOW RATES WITHIN THE CENTER OF THE BAND.
ALSO...THERE WAS A DEEP DENDRITIC LAYER TO PRODUCE FLUFFY LIGHT
SNOW. SNOW RATIOS AS MEASURED AT THE WEATHER OFFICE WERE 35 TO
1...SO VERY HIGH SNOW RATIOS. THIS FLUFFY LIGHT SNOW POSES
CONCERNS FOR BLOWING SNOW TODAY AND MORE SO LATE TONIGHT INTO
TOMORROW. WINDS WILL GUSTS 25 TO 35 MPH OVER SOUTHEAST WYOMING
TODAY AND WELL AS THE SOUTHERN PANHANDLE. WINDS COULD GUST AS HIGH
AS 45 MPH AROUND SIDNEY THIS AFTERNOON. FORTUNATELY SNOW AMOUNTS
AROUND SIDNEY SHOULD BE QUITE A BIT LESS THAN WHAT OCCURRED AROUND
CHEYENNE.
MODELS DO SHOW SOME LINGERING INSTABILITY TODAY ALONG THE
INTERSTATE 80 CORRIDOR. THIS SHOULD BE WHERE THE MAIN SNOW
ACCUMULATIONS OCCUR THOUGH THIS AFTERNOON. WINTER STORM WARNING
REMAINS IN EFFECT FROM ALONG THE INTERSTATE CORRIDOR UNTIL NOON
WEST OF CHEYENNE...AND UNTIL 6 PM FROM CHEYENNE THROUGH SIDNEY.
SNOW AMOUNTS IN THE FAR SOUTHERN NEBRASKA PANHANDLE MAY NOT REACH
WARNING CRITERIA...BUT FELT IT IS PRUDENT TO KEEP A WARNING GOING
AS 30 TO 40 MPH WIND GUSTS WITH FALLING SNOW WILL PRODUCE SERIOUS
VISIBILITY IMPAIRMENT IN OPEN AREAS. AS THE NORTHERN EXTEND OF THE
UPPER LEVEL FORCING SHIFTS ACROSS THIS AREA...IT SHOULD COMBINE
WITH LOW LEVEL INSTABILITY AND FRONTOGENETIC FORCING TO PRODUCE
SOME BANDED PRECIPITATION WITH HIGHER SNOW FALL RATES...BUT NOT
EXPECTING ANYTHING LIKE WHAT OCCURRED IN CHEYENNE.
DROPPED THE SNOW ADVISORY FOR SOUTHWEST CARBON AND PORTIONS OF
CENTRAL CARBON COUNTY. SNOW NEVER MATERIALIZED IN THIS AREA...AND
NOT EXPECTING MUCH MORE THAT A DUSTING OF SNOW AT RAWLINS AND
BAGGS. AS THE UPPER LEVEL WAVE SHIFTS EAST...CHANCES OF SNOW
SHOULD END IN THIS AREA BY LATE MORNING. ALSO DROPPED SOUTHERN
SIOUX AND BOX BUTTE COUNTIES FROM THE ADVISORY. VERY DRY LOW LEVEL
AIR WILL BE TOUGH TO OVERCOME BUT UPPER LEVEL DYNAMICS...WHICH ARE
WEAK AT BEST IN THIS AREAS. MODELS STILL KICKING OUT 1 TO 3 INCHES
OF SNOW OVER THESE COUNTIES THROUGH THIS AFTERNOON...WHICH IS
BELOW ADVISORY LEVELS. OF COURSE GIVEN THE CURRENT 20 DEGREE DEW
POINT DEPRESSIONS AND A STEADY FEED OF SINGLE DIGIT DEW POINT ARE
FROM THE NORTH...MAY NOT SEE MUCH IN THE WAY OF ACCUMULATION.
SHOULD HAVE DROPPED THE ADVISORY FOR THE NORTHERN LARAMIE RANGE
BUT OVER LOOKED IT WITH ALL THE OTHER HAZARDS. WILL DROP IT IF
TIME PERMITS BEFORE THE END OF THE SHIFT. SNOTELS IN THE NORTHERN
LARAMIE RANGE CURRENTLY INDICATING NO PRECIPITATION TO THIS
POINT...SO THE LIKELIHOOD OF HITTING 6 INCHES OF SNOW BEFORE NOON
IS PRETTY MUCH IMPOSSIBLE. WILL BE LUCKY TO PICK UP AN INCH OR
TWO.
FOCUS TONIGHT SHIFTS TO THE INCREASING WESTERLY WINDS. STRONG
GRADIENT IS EXPECTED TO DEVELOP ALONG WITH VERY STRONG WARM AIR
ADVECTION ALOFT AND SUBSIDENCE BEHIND THE DEPARTING STORM SYSTEM.
CRAIG TO CASPER 850 MB HEIGHT DIFFERENCE IS 60 TO 65 LATE TONIGHT.
BOTH THE NAM AND GFS SHOWING 50 TO 55 KT WINDS DEVELOPING VERY
CLOSE TO THE SURFACE ACROSS THE ARLINGTON AREA LATE THIS EVENING
AND SPREADING INTO BORDEAUX AND CHEYENNE LATE TONIGHT. SOUNDINGS
SHOWING THESE STRONG WINDS WITHING THE INVERSION LAYER...SO MOST
LIKELY WINDS WILL BE TRAPPED UNDER THE INVERSION WHICH MEANS THE
STRONG WINDS SHOULD BE FORCED TO THE SURFACE. SHOULD THIS OCCUR
WIND GUSTS 50 TO 60 MPH WILL OCCUR OVER THE AFOREMENTIONED
AREA...CLOSE TO WARNING CRITERIA. THE BIG CONCERN IS NOT
NECESSARILY THE WIND SPEEDS BUT THE FACT THERE IS A BUNCH OF VERY
FLUFFY LIGHT SNOW WAITING TO BE STREWN ABOUT. CURRENT THINKING IS
THE COMBINATION OF STRONG WINDS AND FLUFFY SNOW WILL PRODUCE NEAR
WHITEOUT CONDITIONS IN OPEN AREAS WHERE ENOUGH SNOW IS ON THE
GROUND. STRONGLY CONSIDERED A BLIZZARD WATCH TONIGHT FOR A GROUND
BLIZZARD BUT WITH SEVERAL HEADLINES OUT...DECIDED TO HOLD OFF FOR
NOW. DAY SHIFT CAN TAKE A CLOSER LOOK AS OTHER HEADLINES END.
.LONG TERM...
MILD AND DRY WEATHER EXPECTED ACROSS THE CWA SATURDAY AND SUNDAY
AS AN UPPER RIDGE SHIFTS SLOWLY EAST OF THE REGION. WEAK UPPER
SYSTEM WILL PASS ACROSS MONDAY AND BRING COOLER TEMPERATURES AS
WELL AS SOME MAINLY MTN SNOW SHOWERS. NEXT SYSTEM WILL AFFECT THE
AREA LATE MONDAY INTO CHRISTMAS DAY. MODELS DIFFER ON STRENGTH OF
THIS SYSTEM WITH ECMWF CONSIDERABLY WEAKER THAN THE GFS. WILL
CONTINUE IDEA OF LOW POPS FOR SNOW FOR THAT TIME PENDING BETTER
AGREEMENT BETWEEN MODELS. OTHERWISE CONTINUED ON THE COOL SIDE FOR
CHRISTMAS DAY.
&&
.AVIATION...
LIGHT SNOW AND ASSOCIATED MVFR/IFR CIGS WILL PERSIST INTO THIS
AFTERNOON MAINLY SOUTHEAST OF A KLAR TO KAIA LINE. SNOW WILL TAPER
OFF DURING THE DAY BUT BLOWING SNOW WILL PRODUCE AREAS OF LOW
VISIBILITIES ESPECIALLY AROUND KCYS. VFR OVER MOST AREAS TONIGHT
BUT DEVELOPING GUSTY WINDS AROUND THE MTNS MAY PRODUCE AREAS OF
BLOWING SNOW ESPECIALLY FROM KLAR TO KCYS.
&&
.FIRE WEATHER...
NO FIRE WEATHER CONCERNS. SNOW ENDING FROM WEST TO EAST TODAY. DRY
WITH WARMING TEMPERATURES INTO THE WEEKEND. ANOTHER POTENTIAL
STORM SYSTEM EARLY NEXT WEEK.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WARNING UNTIL 6 PM WEDNESDAY FOR WYZ112-WYZ114-
WYZ117-WYZ118-WYZ119.
NE...WINTER WEATHER ADVISORY UNTIL 6 PM WEDNESDAY FOR WYZ021.
WINTER STORM WARNING UNTIL 6 PM WEDNESDAY FOR NEZ020-NEZ054-
NEX055.
&&
SHORT TERM/FIRE WEATHER...LIEBL
LONG TERM/AVIATION...RE
UPDATE...WEILANDHazardous weather outlook, Dec 19, 11:52 AM MST, 2 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 1152 AM MST WED DEC 19 2012 NEZ019>021-054-055-WYZ103-105>108-110-112>119-201200- SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-NORTH LARAMIE RANGE- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-NORTH SNOWY RANGE FOOTHILLS- 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- 1152 AM MST WED DEC 19 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE...EAST CENTRAL WYOMING...SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT LIGHT SNOW WILL CONTINUE TO TAPER OFF FROM WEST TO EAST OVER THE AREA THIS AFTERNOON. ADDITIONAL SNOWFALL WILL BE AN INCH OR LESS OVER THE LOWER ELEVATIONS...WITH LARGER AMOUNTS OVER THE MOUNTAINS. BRISK WINDS WILL GUST AS HIGH AS 40 MPH...ESPECIALLY EAST OF THE LARAMIE RANGE...AND WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VARIOUS ADVISORIES AND WINTER STORM WARNINGS REMAIN IN EFFECT FOR THE AREA THROUGH THE AFTERNOON. BLOWING SNOW IS EXPECTED LATER TONIGHT AS WELL AS STRONG WESTERLY WINDS DEVELOP AROUND THE MOUNTAINS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY GUSTY WESTERLY WINDS WILL CONTINUE ON THURSDAY MAINLY AROUND THE MOUNTAINS WITH AREAS OF BLOWING AND DRIFTING SNOW AND ASSOCIATED LOW VISIBILITIES STILL POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THIS AFTERNOON AND TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-095-096-WYZ101-102-104-109-111-201200- DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY- SOUTHWEST CARBON COUNTY- 1152 AM MST WED DEC 19 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NORTHERN NEBRASKA PANHANDLE...SOUTH CENTRAL WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT SOME LIGHT SNOW IS POSSIBLE TODAY BUT ACCUMULATIONS WILL BE LIGHT. GUSTY WINDS ARE EXPECTED TO DEVELOP TONIGHT ACROSS CARBON COUNTY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THIS AFTERNOON AND TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WEILAND
In the hours before
Local storm report, Dec 19, 10:11 AM MST, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1011 AM MST WED DEC 19 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 AM SNOW FORT LARAMIE 42.21N 104.52W
12/19/2012 E0.0 INCH GOSHEN WY CO-OP OBSERVER
TRACE.
0640 AM HEAVY SNOW 18 WNW CHEYENNE 41.24N 105.11W
12/19/2012 E10.0 INCH LARAMIE WY TRAINED SPOTTER
0700 AM SNOW 29 N TORRINGTON 42.49N 104.18W
12/19/2012 E0.0 INCH GOSHEN WY CO-OP OBSERVER
TRACE.
0700 AM SNOW 12 WNW HARRISBURG 41.62N 103.95W
12/19/2012 M0.9 INCH BANNER NE CO-OP OBSERVER
0700 AM SNOW 2 WSW LINGLE 42.13N 104.38W
12/19/2012 E1.1 INCH GOSHEN WY CO-OP OBSERVER
0702 AM HEAVY SNOW 10 E CHEYENNE 41.15N 104.60W
12/19/2012 E6.0 INCH LARAMIE WY TRAINED SPOTTER
0800 AM SNOW KIMBALL 41.23N 103.66W
12/19/2012 E1.0 INCH KIMBALL NE LAW ENFORCEMENT
0800 AM SNOW SCOTTSBLUFF 41.87N 103.66W
12/19/2012 E1.0 INCH SCOTTS BLUFF NE LAW ENFORCEMENT
0800 AM SNOW CHEYENNE 41.15N 104.79W
12/19/2012 M9.5 INCH LARAMIE WY OFFICIAL NWS OBS
STORM TOTAL SNOWFALL THROUGH 800 AM MDT.
0800 AM HEAVY SNOW 7 NE CHEYENNE 41.22N 104.70W
12/19/2012 M7.0 INCH LARAMIE WY CO-OP OBSERVER
0800 AM SNOW HEMINGFORD 42.32N 103.08W
12/19/2012 E1.0 INCH BOX BUTTE NE CO-OP OBSERVER
0800 AM HEAVY SNOW 4 NNW CHEYENNE 41.20N 104.82W
12/19/2012 M8.0 INCH LARAMIE WY COCORAHS
0800 AM SNOW 11 NW CHEYENNE 41.26N 104.94W
12/19/2012 M6.0 INCH LARAMIE WY COCORAHS
0800 AM HEAVY SNOW 6 SW CHEYENNE 41.08N 104.87W
12/19/2012 M10.0 INCH LARAMIE WY COCORAHS
0800 AM SNOW 11 N CHEYENNE 41.30N 104.79W
12/19/2012 M6.5 INCH LARAMIE WY COCORAHS
0800 AM SNOW 5 NE CHEYENNE 41.20N 104.72W
12/19/2012 M10.6 INCH LARAMIE WY COCORAHS
0800 AM SNOW 17 WNW CHEYENNE 41.24N 105.09W
12/19/2012 M5.0 INCH LARAMIE WY COCORAHS
0800 AM SNOW HARRISBURG 41.55N 103.74W
12/19/2012 E0.0 INCH BANNER NE LAW ENFORCEMENT
TRACE.
0800 AM SNOW ALLIANCE 42.10N 102.87W
12/19/2012 E0.5 INCH BOX BUTTE NE LAW ENFORCEMENT
0800 AM SNOW CHADRON 42.83N 103.00W
12/19/2012 E1.0 INCH DAWES NE LAW ENFORCEMENT
0800 AM SNOW SINCLAIR 41.78N 107.12W
12/19/2012 E0.0 INCH CARBON WY COCORAHS
TRACE.
0811 AM SNOW CHUGWATER 41.76N 104.82W
12/19/2012 E3.0 INCH PLATTE WY TRAINED SPOTTER
0820 AM SNOW 10 SE CHUGWATER 41.65N 104.68W
12/19/2012 E2.0 INCH PLATTE WY TRAINED SPOTTER
0822 AM SNOW 13 E WHEATLAND 42.05N 104.71W
12/19/2012 E2.5 INCH PLATTE WY TRAINED SPOTTER
0825 AM SNOW 8 SW WHEATLAND 41.97N 105.07W
12/19/2012 E2.0 INCH PLATTE WY TRAINED SPOTTER
0830 AM SNOW 12 ENE BOSLER 41.65N 105.48W
12/19/2012 E4.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 18 SW LARAMIE 41.13N 105.83W
12/19/2012 E4.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM HEAVY SNOW 23 SE LARAMIE 41.08N 105.27W
12/19/2012 E10.5 INCH LARAMIE WY TRAINED SPOTTER
0830 AM SNOW 16 SE LARAMIE 41.15N 105.37W
12/19/2012 E4.5 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 7 S LARAMIE 41.21N 105.58W
12/19/2012 E4.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 33 WNW WHEATLAND 42.23N 105.55W
12/19/2012 E3.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW ROCK RIVER 41.73N 105.97W
12/19/2012 E2.5 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 22 WNW LARAMIE 41.43N 105.98W
12/19/2012 E2.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM HEAVY SNOW CENTENNIAL 41.30N 106.11W
12/19/2012 E8.0 INCH ALBANY WY TRAINED SPOTTER
ESTIMATED STORM TOTAL.
0830 AM HEAVY SNOW 2 S WOODS LANDING 41.08N 106.02W
12/19/2012 E7.5 INCH ALBANY WY TRAINED SPOTTER
0836 AM SNOW 14 SW CHUGWATER 41.61N 105.01W
12/19/2012 E3.0 INCH LARAMIE WY TRAINED SPOTTER
0838 AM SNOW TORRINGTON 42.07N 104.18W
12/19/2012 E3.0 INCH GOSHEN WY LAW ENFORCEMENT
VERY SLICK ROADS.
0856 AM SNOW LA GRANGE 41.64N 104.16W
12/19/2012 E3.0 INCH GOSHEN WY TRAINED SPOTTER
0900 AM HEAVY SNOW 21 W CHEYENNE 41.14N 105.20W
12/19/2012 E12.0 INCH LARAMIE WY TRAINED SPOTTER
0900 AM HEAVY SNOW HORSE CREEK 41.41N 105.18W
12/19/2012 E6.0 INCH LARAMIE WY TRAINED SPOTTER
0900 AM SNOW 2 WNW CARPENTER 41.04N 104.38W
12/19/2012 E3.5 INCH LARAMIE WY TRAINED SPOTTER
CONSIDERABLE DRIFTS IN EXCESS OF 1 FOOT. MEASURED WIND
GUSTS TO 53 MPH RESULTING IN LESS THAN A HALF MILE
VISIBILITY.
0900 AM SNOW 7 SW ALBIN 41.35N 104.20W
12/19/2012 E2.5 INCH LARAMIE WY TRAINED SPOTTER
0900 AM SNOW 21 NE CHEYENNE 41.36N 104.51W
12/19/2012 E3.5 INCH LARAMIE WY TRAINED SPOTTER
0900 AM SNOW 4 E YODER 41.92N 104.22W
12/19/2012 E1.5 INCH GOSHEN WY PUBLIC
0945 AM SNOW SIDNEY 41.13N 102.97W
12/19/2012 E1.5 INCH CHEYENNE NE LAW ENFORCEMENT
&&
HAMMERLocal storm report, Dec 19, 12:12 PM MST, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1212 PM MST WED DEC 19 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1000 AM HEAVY SNOW CHEYENNE 41.15N 104.79W
12/19/2012 E12.0 INCH LARAMIE WY PUBLIC
PUBLIC REPORT FROM FRONTIER PARK IN CHEYENNE.
1130 AM SNOW 35 S RAWLINS 41.28N 107.23W
12/19/2012 E4.8 INCH CARBON WY PARK/FOREST SRVC
SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM SNOW 19 WSW ENCAMPMENT 41.10N 107.13W
12/19/2012 E10.5 INCH CARBON WY PARK/FOREST SRVC
DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
8880 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM SNOW 14 E DIXON 41.03N 107.27W
12/19/2012 E3.6 INCH CARBON WY PARK/FOREST SRVC
BATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM SNOW 17 SW ENCAMPMENT 41.03N 107.03W
12/19/2012 E7.5 INCH CARBON WY PARK/FOREST SRVC
SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE
RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS
0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 10 WSW ENCAMPMENT 41.15N 106.97W
12/19/2012 E28.0 INCH CARBON WY PARK/FOREST SRVC
OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
10000 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 5 SW ENCAMPMENT 41.16N 106.86W
12/19/2012 E30.0 INCH CARBON WY PARK/FOREST SRVC
WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 1.5 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 10 SW ENCAMPMENT 41.11N 106.93W
12/19/2012 E28.0 INCH CARBON WY PARK/FOREST SRVC
LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 28 E SAVERY 41.02N 106.91W
12/19/2012 E28.0 INCH CARBON WY PARK/FOREST SRVC
WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
8950 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 11 SSE ENCAMPMENT 41.06N 106.71W
12/19/2012 E38.0 INCH CARBON WY PARK/FOREST SRVC
BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.9 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM SNOW 17 ENE RIVERSIDE 41.31N 106.48W
12/19/2012 E6.0 INCH CARBON WY PARK/FOREST SRVC
SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
8440 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 12 WNW CENTENNIAL 41.37N 106.32W
12/19/2012 E18.0 INCH ALBANY WY PARK/FOREST SRVC
NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
10130 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 30 WNW LARAMIE 41.48N 106.12W
12/19/2012 E22.0 INCH CARBON WY PARK/FOREST SRVC
SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050
FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 7 NW CENTENNIAL 41.37N 106.21W
12/19/2012 E22.0 INCH ALBANY WY PARK/FOREST SRVC
BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240
FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 6 SW CENTENNIAL 41.24N 106.19W
12/19/2012 E20.0 INCH ALBANY WY PARK/FOREST SRVC
CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574
FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 21 SSE ELK MOUNTAIN 41.41N 106.26W
12/19/2012 E26.0 INCH CARBON WY PARK/FOREST SRVC
MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500
FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM SNOW 12 SW ESTERBROOK 42.29N 105.53W
12/19/2012 E1.5 INCH CONVERSE WY PARK/FOREST SRVC
WINDY PEAK SNOTEL IN THE LARAMIE RANGE. ELEVATION 7900
FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM SNOW 10 SE LARAMIE 41.21N 105.45W
12/19/2012 E8.4 INCH ALBANY WY PARK/FOREST SRVC
CROW CREEK SNOTEL IN THE LARAMIE RANGE. ELEVATION 8330
FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM SNOW 38 SW DOUGLAS 42.37N 105.92W
12/19/2012 E1.5 INCH ALBANY WY PARK/FOREST SRVC
LA PRELE CREEK SNOTEL IN THE LARAMIE RANGE. ELEVATION
8375 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1200 PM SNOW HILLSDALE 41.21N 104.48W
12/19/2012 E9.5 INCH LARAMIE WY PUBLIC
1200 PM HEAVY SNOW CHEYENNE 41.15N 104.79W
12/19/2012 E10.7 INCH LARAMIE WY OFFICIAL NWS OBS
STORM TOTAL AT WFO CHEYENNE. SOME DRIFTS UP TO 3 FEET.
&&
HAMMERLocal storm report, Dec 19, 12:19 PM MST, 2 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHEYENNE WY
1219 PM MST WED DEC 19 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 AM SNOW FORT LARAMIE 42.21N 104.52W
12/19/2012 E0.0 INCH GOSHEN WY CO-OP OBSERVER
TRACE.
0500 AM SNOW CHEYENNE 41.15N 104.79W
12/19/2012 M8.3 INCH LARAMIE WY OFFICIAL NWS OBS
STORM TOTAL SNOWFALL THROUGH 5 AM MDT. STILL SNOWING.
0615 AM SNOW TORRINGTON 42.07N 104.18W
12/19/2012 E2.0 INCH GOSHEN WY LAW ENFORCEMENT
0615 AM SNOW LARAMIE 41.31N 105.58W
12/19/2012 E6.0 INCH ALBANY WY LAW ENFORCEMENT
0620 AM SNOW WHEATLAND 42.05N 104.96W
12/19/2012 E1.0 INCH PLATTE WY LAW ENFORCEMENT
ESTIMATED HALF TO ONE INCH OF NEW SNOW.
0625 AM SNOW PINE BLUFFS 41.18N 104.07W
12/19/2012 E0.3 INCH LARAMIE WY LAW ENFORCEMENT
0640 AM HEAVY SNOW 18 WNW CHEYENNE 41.24N 105.11W
12/19/2012 E10.0 INCH LARAMIE WY TRAINED SPOTTER
0700 AM SNOW 2 WSW LINGLE 42.13N 104.38W
12/19/2012 E1.1 INCH GOSHEN WY CO-OP OBSERVER
0700 AM SNOW 12 WNW HARRISBURG 41.62N 103.95W
12/19/2012 M0.9 INCH BANNER NE CO-OP OBSERVER
0700 AM SNOW 29 N TORRINGTON 42.49N 104.18W
12/19/2012 E0.0 INCH GOSHEN WY CO-OP OBSERVER
TRACE.
0700 AM SNOW 8 WNW CHEYENNE 41.19N 104.93W
12/19/2012 E7.0 INCH LARAMIE WY TRAINED SPOTTER
0702 AM HEAVY SNOW 10 E CHEYENNE 41.15N 104.60W
12/19/2012 E6.0 INCH LARAMIE WY TRAINED SPOTTER
0800 AM SNOW SINCLAIR 41.78N 107.12W
12/19/2012 E0.0 INCH CARBON WY COCORAHS
TRACE.
0800 AM SNOW CHADRON 42.83N 103.00W
12/19/2012 E1.0 INCH DAWES NE LAW ENFORCEMENT
0800 AM SNOW ALLIANCE 42.10N 102.87W
12/19/2012 E0.5 INCH BOX BUTTE NE LAW ENFORCEMENT
0800 AM SNOW HARRISBURG 41.55N 103.74W
12/19/2012 E0.0 INCH BANNER NE LAW ENFORCEMENT
TRACE.
0800 AM SNOW 17 WNW CHEYENNE 41.24N 105.09W
12/19/2012 M5.0 INCH LARAMIE WY COCORAHS
0800 AM SNOW 5 NE CHEYENNE 41.20N 104.72W
12/19/2012 M10.6 INCH LARAMIE WY COCORAHS
0800 AM SNOW 11 N CHEYENNE 41.30N 104.79W
12/19/2012 M6.5 INCH LARAMIE WY COCORAHS
0800 AM HEAVY SNOW 6 SW CHEYENNE 41.08N 104.87W
12/19/2012 M10.0 INCH LARAMIE WY COCORAHS
0800 AM SNOW 11 NW CHEYENNE 41.26N 104.94W
12/19/2012 M6.0 INCH LARAMIE WY COCORAHS
0800 AM HEAVY SNOW 4 NNW CHEYENNE 41.20N 104.82W
12/19/2012 M8.0 INCH LARAMIE WY COCORAHS
0800 AM SNOW HEMINGFORD 42.32N 103.08W
12/19/2012 E1.0 INCH BOX BUTTE NE CO-OP OBSERVER
0800 AM HEAVY SNOW 7 NE CHEYENNE 41.22N 104.70W
12/19/2012 M7.0 INCH LARAMIE WY CO-OP OBSERVER
0800 AM SNOW CHEYENNE 41.15N 104.79W
12/19/2012 M9.5 INCH LARAMIE WY OFFICIAL NWS OBS
STORM TOTAL SNOWFALL THROUGH 800 AM MDT.
0800 AM SNOW KIMBALL 41.23N 103.66W
12/19/2012 E1.0 INCH KIMBALL NE LAW ENFORCEMENT
0800 AM SNOW SCOTTSBLUFF 41.87N 103.66W
12/19/2012 E1.0 INCH SCOTTS BLUFF NE LAW ENFORCEMENT
0811 AM SNOW CHUGWATER 41.76N 104.82W
12/19/2012 E3.0 INCH PLATTE WY TRAINED SPOTTER
0820 AM SNOW 10 SE CHUGWATER 41.65N 104.68W
12/19/2012 E2.0 INCH PLATTE WY TRAINED SPOTTER
0822 AM SNOW 13 E WHEATLAND 42.05N 104.71W
12/19/2012 E2.5 INCH PLATTE WY TRAINED SPOTTER
0825 AM SNOW 8 SW WHEATLAND 41.97N 105.07W
12/19/2012 E2.0 INCH PLATTE WY TRAINED SPOTTER
0830 AM HEAVY SNOW 23 SE LARAMIE 41.08N 105.27W
12/19/2012 E10.5 INCH LARAMIE WY TRAINED SPOTTER
0830 AM SNOW 18 SW LARAMIE 41.13N 105.83W
12/19/2012 E4.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 12 ENE BOSLER 41.65N 105.48W
12/19/2012 E4.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 33 WNW WHEATLAND 42.23N 105.55W
12/19/2012 E3.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 16 SE LARAMIE 41.15N 105.37W
12/19/2012 E4.5 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW ROCK RIVER 41.73N 105.97W
12/19/2012 E2.5 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 22 WNW LARAMIE 41.43N 105.98W
12/19/2012 E2.0 INCH ALBANY WY TRAINED SPOTTER
0830 AM HEAVY SNOW CENTENNIAL 41.30N 106.11W
12/19/2012 E8.0 INCH ALBANY WY TRAINED SPOTTER
ESTIMATED STORM TOTAL.
0830 AM HEAVY SNOW 2 S WOODS LANDING 41.08N 106.02W
12/19/2012 E7.5 INCH ALBANY WY TRAINED SPOTTER
0830 AM SNOW 7 S LARAMIE 41.21N 105.58W
12/19/2012 E4.0 INCH ALBANY WY TRAINED SPOTTER
0836 AM SNOW 14 SW CHUGWATER 41.61N 105.01W
12/19/2012 E3.0 INCH LARAMIE WY TRAINED SPOTTER
0838 AM SNOW TORRINGTON 42.07N 104.18W
12/19/2012 E3.0 INCH GOSHEN WY LAW ENFORCEMENT
VERY SLICK ROADS.
0856 AM SNOW LA GRANGE 41.64N 104.16W
12/19/2012 E3.0 INCH GOSHEN WY TRAINED SPOTTER
0900 AM SNOW 4 E YODER 41.92N 104.22W
12/19/2012 E1.5 INCH GOSHEN WY PUBLIC
0900 AM SNOW 21 NE CHEYENNE 41.36N 104.51W
12/19/2012 E3.5 INCH LARAMIE WY TRAINED SPOTTER
0900 AM SNOW 2 WNW CARPENTER 41.04N 104.38W
12/19/2012 E3.5 INCH LARAMIE WY TRAINED SPOTTER
CONSIDERABLE DRIFTS IN EXCESS OF 1 FOOT. MEASURED WIND
GUSTS TO 53 MPH RESULTING IN LESS THAN A HALF MILE
VISIBILITY.
0900 AM SNOW 7 SW ALBIN 41.35N 104.20W
12/19/2012 E2.5 INCH LARAMIE WY TRAINED SPOTTER
0900 AM HEAVY SNOW HORSE CREEK 41.41N 105.18W
12/19/2012 E6.0 INCH LARAMIE WY TRAINED SPOTTER
0900 AM HEAVY SNOW 21 W CHEYENNE 41.14N 105.20W
12/19/2012 E12.0 INCH LARAMIE WY TRAINED SPOTTER
0945 AM SNOW SIDNEY 41.13N 102.97W
12/19/2012 E1.5 INCH CHEYENNE NE LAW ENFORCEMENT
1000 AM HEAVY SNOW CHEYENNE 41.15N 104.79W
12/19/2012 E12.0 INCH LARAMIE WY PUBLIC
PUBLIC REPORT FROM FRONTIER PARK IN CHEYENNE.
1100 AM SNOW 1 E SCOTTSBLUFF 41.87N 103.64W
12/19/2012 M1.4 INCH SCOTTS BLUFF NE CO-OP OBSERVER
1130 AM HEAVY SNOW 10 WSW ENCAMPMENT 41.15N 106.97W
12/19/2012 E28.0 INCH CARBON WY PARK/FOREST SRVC
OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
10000 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 5 SW ENCAMPMENT 41.16N 106.86W
12/19/2012 E30.0 INCH CARBON WY PARK/FOREST SRVC
WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 1.5 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 10 SW ENCAMPMENT 41.11N 106.93W
12/19/2012 E28.0 INCH CARBON WY PARK/FOREST SRVC
LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM SNOW 35 S RAWLINS 41.28N 107.23W
12/19/2012 E4.8 INCH CARBON WY PARK/FOREST SRVC
SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM SNOW 19 WSW ENCAMPMENT 41.10N 107.13W
12/19/2012 E10.5 INCH CARBON WY PARK/FOREST SRVC
DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
8880 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM SNOW 14 E DIXON 41.03N 107.27W
12/19/2012 E3.6 INCH CARBON WY PARK/FOREST SRVC
BATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 11 SSE ENCAMPMENT 41.06N 106.71W
12/19/2012 E38.0 INCH CARBON WY PARK/FOREST SRVC
BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 1.9 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM SNOW 17 SW ENCAMPMENT 41.03N 107.03W
12/19/2012 E7.5 INCH CARBON WY PARK/FOREST SRVC
SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE
RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS
0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
ACCUMULATION WAS OVER PAST 72 HOURS.
1130 AM HEAVY SNOW 28 E SAVERY 41.02N 106.91W
12/19/2012 E28.0 INCH CARBON WY PARK/FOREST SRVC
WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
8950 FEET. SNOW WATER EQUIVALENT IS 1.4 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM SNOW 38 SW DOUGLAS 42.37N 105.92W
12/19/2012 E1.5 INCH ALBANY WY PARK/FOREST SRVC
LA PRELE CREEK SNOTEL IN THE LARAMIE RANGE. ELEVATION
8375 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM SNOW 10 SE LARAMIE 41.21N 105.45W
12/19/2012 E8.4 INCH ALBANY WY PARK/FOREST SRVC
CROW CREEK SNOTEL IN THE LARAMIE RANGE. ELEVATION 8330
FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM SNOW 12 SW ESTERBROOK 42.29N 105.53W
12/19/2012 E1.5 INCH CONVERSE WY PARK/FOREST SRVC
WINDY PEAK SNOTEL IN THE LARAMIE RANGE. ELEVATION 7900
FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 21 SSE ELK MOUNTAIN 41.41N 106.26W
12/19/2012 E26.0 INCH CARBON WY PARK/FOREST SRVC
MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500
FEET. SNOW WATER EQUIVALENT IS 1.3 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 6 SW CENTENNIAL 41.24N 106.19W
12/19/2012 E20.0 INCH ALBANY WY PARK/FOREST SRVC
CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574
FEET. SNOW WATER EQUIVALENT IS 1.0 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 7 NW CENTENNIAL 41.37N 106.21W
12/19/2012 E22.0 INCH ALBANY WY PARK/FOREST SRVC
BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240
FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 30 WNW LARAMIE 41.48N 106.12W
12/19/2012 E22.0 INCH CARBON WY PARK/FOREST SRVC
SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050
FEET. SNOW WATER EQUIVALENT IS 1.1 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER
PAST 72 HOURS.
1130 AM HEAVY SNOW 12 WNW CENTENNIAL 41.37N 106.32W
12/19/2012 E18.0 INCH ALBANY WY PARK/FOREST SRVC
NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
10130 FEET. SNOW WATER EQUIVALENT IS 0.9 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1130 AM SNOW 17 ENE RIVERSIDE 41.31N 106.48W
12/19/2012 E6.0 INCH CARBON WY PARK/FOREST SRVC
SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION
8440 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 72 HOURS.
1200 PM HEAVY SNOW CHEYENNE 41.15N 104.79W
12/19/2012 E10.7 INCH LARAMIE WY OFFICIAL NWS OBS
STORM TOTAL AT WFO CHEYENNE. SOME DRIFTS UP TO 3 FEET.
1200 PM SNOW HILLSDALE 41.21N 104.48W
12/19/2012 E9.5 INCH LARAMIE WY PUBLIC
&&
HAMMERLocal storm report, Dec 19, 2:01 PM MST, 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
201 PM MST WED DEC 19 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0145 PM SNOW DIX 41.23N 103.49W
12/19/2012 E2.0 INCH KIMBALL NE TRAINED SPOTTER
0145 PM SNOW SIDNEY 41.13N 102.97W
12/19/2012 E4.0 INCH CHEYENNE NE LAW ENFORCEMENT
&&
DDEALThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 3:44 AM MST | Winter Storm Warning | CYS | Cheyenne | 14 hr |
| Dec 19, 3:44 AM MST | Winter Weather Advisory | CYS | Morrill, Scotts Bluff | 14 hr |
| Dec 19, 2:38 PM MST | Blizzard Warning | CYS | Albany, Carbon, Laramie | 21 hr |
Nearby
Winter Weather Advisories in Nebraska, 2012Winter Weather Advisories in Wyoming, 2012Every winter weather advisory in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.