Alert archive / Wyoming / Winter Storm Warnings in 2011
Winter Storm Warning 5, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Feb 6, 2011, 3:10 AM MST for 5 counties in Wyoming. It took effect at Feb 7, 2011, 5:00 PM MST. It was in force for 17 hr. 41 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
- Feb 6, 2011, 3:10 AM MST (10:10 UTC)
- In effect from
- Feb 7, 2011, 5:00 PM MST
- Expired
- Feb 8, 2011, 10:08 AM MST
- In force
- 17 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Converse County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 109 km from the middle of the area, began a volume at 10:10 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 |
|---|---|---|---|
| Feb 7, 6:30 PM MST | HEAVY SNOW 0 | 10 W Laramie, WY | WHITE OUT CONDITIONS LAST NIGHT FROM JUST WEST OF LARAMIE ALL THE WAY TO ROCK SPRINGS ON INTERSTATE 80. DRIVING CONDITIONS VERY HAZARDOUS WITH STRONG WINDS AND SNOW/BLOWING SNOW. |
| Feb 7, 8:00 PM MST | SNOW 1.2 | N Battle Mountain, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.1. ELEVATION 7440. |
| Feb 7, 8:00 PM MST | SNOW 1.5 | Laprele Creek, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.1. ELEVATION 8375. |
| Feb 7, 8:00 PM MST | SNOW 2.4 | 1 Nne South Brush Creek, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.2. ELEVATION 8440. |
| Feb 7, 8:00 PM MST | SNOW 2.4 | Windy Peak, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.2. ELEVATION 7900. |
| Feb 7, 8:00 PM MST | SNOW 3.6 | 6 N Vedauwoo, WY | THIS IS CROW CREEK. THIS IS FROM 8 AM TO 8 PM SWE 0.3. ELEVATION 8330. |
| Feb 7, 8:00 PM MST | SNOW 3.6 | Divide Peak, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.3. ELEVATION 8880. |
| Feb 7, 8:00 PM MST | SNOW 3.6 | Sage Creek Basin, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.3. ELEVATION 7850. |
| Feb 7, 8:00 PM MST | HEAVY SNOW 6 | N Sand Lake, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.5. ELEVATION 10050. |
| Feb 7, 8:00 PM MST | HEAVY SNOW 7.2 | 2 Ne Rob Roy Reservoir, WY | THIS IS CINNABAR PARK. FROM 8 AM TO 8 PM. SWE 0.6. ELEVATION 9574. |
| Feb 7, 8:00 PM MST | HEAVY SNOW 7.5 | Webber Springs, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.5. ELEVATION 9250. |
| Feb 7, 8:00 PM MST | HEAVY SNOW 9 | Brooklyn Lake, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.6. ELEVATION 10240. |
| Feb 7, 8:00 PM MST | HEAVY SNOW 9 | Old Battle, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.6. ELEVATION 10000. |
| Feb 7, 8:00 PM MST | HEAVY SNOW 10.5 | North French Creek, WY | THIS IS FROM 8 AM TO 8 PM. SWE 0.7. ELEVATION 10130. |
| Feb 7, 8:31 PM MST | SNOW 0 | Rawlins, WY | JUST A DUSTING OF SNOW SO FAR. |
| Feb 7, 8:31 PM MST | SNOW 0.5 | Cheyenne, WY | |
| Feb 7, 8:31 PM MST | SNOW 1 | Laramie, WY | |
| Feb 7, 8:31 PM MST | SNOW 2.5 | Wheatland, WY | ESTIMATED 2-3 INCHES SNOWFALL |
| Feb 8, 4:34 AM MST | SNOW 3.5 | Rawlins, WY | ESTIMATED 3 TO 4 INCHES FELL SINCE 5 PM ON 2/7. GUSTY EAST WINDS PRODUCING DRIFTS AROUND 1 FOOT. |
| Feb 8, 5:37 AM MST | SNOW 5.5 | 4 Sse Crystal Lake Rese, WY | SPOTTER IN GRANITE CANYON. |
| Feb 8, 6:47 AM MST | SNOW 2.3 | 5 Ne Cheyenne, WY | |
| Feb 8, 7:00 AM MST | SNOW 2.3 | 2 E Cheyenne, WY | |
| Feb 8, 7:00 AM MST | SNOW 2.3 | 6 Wsw Burns, WY | |
| Feb 8, 7:00 AM MST | SNOW 3 | Ne Medicine Bow, WY | |
| Feb 8, 7:00 AM MST | SNOW 3.2 | 2 Nne Cheyenne, WY | |
| Feb 8, 7:00 AM MST | SNOW 3.2 | 4 Nnw Cheyenne, WY | |
| Feb 8, 7:00 AM MST | SNOW 3.5 | 6 N Cheyenne, WY | |
| Feb 8, 7:00 AM MST | SNOW 4 | 3 Sse Guernsey, WY | |
| Feb 8, 7:00 AM MST | SNOW 4.2 | Ese Saratoga, WY | |
| Feb 8, 7:00 AM MST | HEAVY SNOW 6.2 | 3 E Douglas, WY | |
| Feb 8, 9:00 AM MST | SNOW 3 | 14 E Dixon, WY | BATTLE MOUNTAIN SNOTEL. EL 7440. SWE 0.2. RATIO 15-1 |
| Feb 8, 9:00 AM MST | SNOW 3.8 | 19 Wsw Encampment, WY | DIVIDE PEAK SNOTEL. EL 8880. SWE 0.2. RATIO 19-1 |
| Feb 8, 9:00 AM MST | SNOW 4 | 17 Ene Riverside, WY | SOUTH BRUSH CREEK SNOTEL SITE. EL 8440 SWE 0.2. RATIO 20-1 |
| Feb 8, 9:00 AM MST | SNOW 6 | 10 Wsw Encampment, WY | OLD BATTLE SNOTEL SITE. EL10000. SWE 0.3. RATIO 20-1 |
| Feb 8, 9:00 AM MST | SNOW 6 | 12 Wnw Centennial, WY | NORTH FRENCH CREEK SNOTEL SITE. EL 10130 SWE 0.3 RATIO 20-1 |
| Feb 8, 9:00 AM MST | SNOW 6 | 20 Wnw Laramie, WY | SAND LAKE SNOTEL SITE. EL 10050. SWE 0.3. RATIO 20-1. |
| Feb 8, 9:00 AM MST | SNOW 6 | 5 Sw Encampment, WY | WEBBER SPRINGS SNOTEL SITE. EL 9250. SWE 0.3. RATIO 20-1 |
| Feb 8, 9:00 AM MST | SNOW 6 | 7 Nw Centennial, WY | BROOKLYN LAKE SNOTEL SITE. EL 10240. SWE 0.3. RATIO 20-1 |
| Feb 8, 9:00 AM MST | SNOW 8 | 6 Sw Centennial, WY | CINNABAR SNOTEL SITE. EL 9574. SWE 0.4. RATIO 20-1 |
| Feb 8, 9:00 AM MST | HEAVY SNOW 14.4 | 35 S Rawlins, WY | SAGE CREEK BASIN SNOTEL. EL 7850. SWE 0.8. RATIO 18-1 |
| Feb 8, 9:45 AM MST | SNOW 4 | Encampment, WY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 10.2 hours before the alert went out and 264 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
- 1030 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
013 WWUS45 KCYS 061010 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 310 AM MST SUN FEB 6 2011 ...COLD AND SNOWY CONDITIONS TO CONTINUE THROUGH MONDAY NIGHT... .A DISTURBANCE WILL MOVE ACROSS THE AREA TODAY WHICH WILL RESULT IN WINDY CONDITIONS ALONG WITH PERIODS OF SNOW. THE MOST SNOWFALL WILL BE IN THE SOUTHERN MOUNTAINS AS WELL AS THE NORTHERN LARAMIE RANGE. A STRONGER STORM SYSTEM ALONG WITH A STRONG COLD FRONT WILL MOVE ACROSS THE AREA FROM MONDAY AFTERNOON THROUGH MONDAY NIGHT. THIS WILL RESULT IN MORE SNOW AND MUCH COLDER TEMPERATURES. WYZ103-112-114-070015- /O.CAN.KCYS.WS.W.0004.000000T0000Z-110208T1300Z/ /O.NEW.KCYS.WW.Y.0006.110206T1010Z-110207T0600Z/ /O.NEW.KCYS.WS.W.0005.110207T1900Z-110208T1300Z/ NORTH LARAMIE RANGE-SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 310 AM MST SUN FEB 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 PM MST THIS EVENING... ...WINTER STORM WARNING IN EFFECT FROM NOON MONDAY TO 6 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR MODERATE TO HEAVY SNOW AND COLD TEMPERATURES... WHICH IS IN EFFECT FROM NOON MONDAY TO 6 AM MST TUESDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS WINTER WEATHER ADVISORY IS FOR SNOW AND BLOWING SNOW AND IS IN EFFECT UNTIL 11 PM MST THIS EVENING. * TIMING...THE FIRST STORM SYSTEM WILL MOVE ACROSS THE AREA TODAY AND WILL AFFECT THE AREA UNTIL THIS EVENING. THE STRONGER SECOND SYSTEM WILL AFFECT THE AREA FROM NOON MONDAY THROUGH 6 AM TUESDAY. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS FOR THE FIRST STORM SYSTEM WILL BE FROM 4 TO 7 INCHES BY 11 PM TONIGHT. ADDITIONAL SNOW ACCUMULATIONS FOR THE SECOND SYSTEM WILL BE FROM 9 TO 14 INCHES WHICH WILL OCCUR BETWEEN MONDAY AFTERNOON AND TUESDAY MORNING. * WINDS/VISIBILITIES...WEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW TODAY INTO THIS EVENING. VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. STRONG WINDS WILL ALSO OCCUR ON MONDAY WHICH WILL CONTINUE THE BLOWING AND DRIFTING SNOW...HOWEVER WINDS ARE EXPECTED TO DROP OFF RAPIDLY MONDAY NIGHT. * IMPACTS...HEAVY SNOW ALONG WITH SIGNIFICANT BLOWING SNOW WILL IMPACT TRAVEL WITH ROADS SNOWPACKED OVER THE NEXT FEW DAYS. PERSONS PLANNING TO TRAVEL ACROSS THE AREA...ESPECIALLY MONDAY AFTERNOON AND MONDAY NIGHT SHOULD BE AWARE OF THE POOR DRIVING CONDITIONS. CHECK THE LATEST ROAD AND TRAVEL INFORMATION BEFORE VENTURING OUT. 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 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. && $$ KMD
7 follow-up statements
096 WWUS45 KCYS 062017 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 117 PM MST SUN FEB 6 2011 ...COLD AND SNOWY CONDITIONS TO CONTINUE THROUGH MONDAY NIGHT... .A DISTURBANCE WILL MOVE ACROSS THE AREA THROUGH TONIGHT WHICH WILL RESULT IN WINDY CONDITIONS ALONG WITH PERIODS OF SNOW. THE MOST SNOWFALL WILL BE IN THE SOUTHERN MOUNTAINS AS WELL AS THE NORTHERN LARAMIE RANGE. A STRONGER STORM SYSTEM ALONG WITH A STRONG COLD FRONT WILL MOVE ACROSS THE AREA FROM MONDAY AFTERNOON THROUGH MONDAY NIGHT. THIS WILL RESULT IN MORE SNOW AND MUCH COLDER TEMPERATURES. WYZ103-112-114-070600- /O.CON.KCYS.WS.W.0005.110207T1900Z-110208T1300Z/ /O.CON.KCYS.WW.Y.0006.000000T0000Z-110207T0600Z/ NORTH LARAMIE RANGE-SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 117 PM MST SUN FEB 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON MONDAY TO 6 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON MONDAY TO 6 AM MST TUESDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * TIMING...THE FIRST STORM SYSTEM WILL MOVE ACROSS THE AREA AND WILL AFFECT THE AREA THROUGH THIS EVENING. THE STRONGER SECOND SYSTEM WILL AFFECT THE AREA FROM NOON MONDAY THROUGH 600 AM TUESDAY. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS FOR THE FIRST STORM SYSTEM WILL BE FROM 4 TO 7 INCHES BY LATE THIS EVENING. ADDITIONAL SNOW ACCUMULATIONS FOR THE SECOND SYSTEM WILL BE FROM 9 TO 14 INCHES WHICH WILL OCCUR BETWEEN MONDAY AFTERNOON AND TUESDAY MORNING. * WINDS/VISIBILITIES...WEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW INTO THIS EVENING. WINDS WILL INCREASE AFTER MIDNIGHT TONIGHT INTO THE 30 TO 40 MPH RANGE WITH GUSTS TO 60 MPH. VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. STRONG WINDS WILL ALSO OCCUR ON MONDAY WHICH WILL CONTINUE THE BLOWING AND DRIFTING SNOW...HOWEVER WINDS ARE EXPECTED TO DROP OFF MONDAY NIGHT. * IMPACTS...HEAVY SNOW ALONG WITH SIGNIFICANT BLOWING SNOW WILL IMPACT TRAVEL WITH ROADS SNOWPACKED OVER THE NEXT FEW DAYS. PERSONS PLANNING TO TRAVEL ACROSS THE AREA...ESPECIALLY MONDAY AFTERNOON AND MONDAY NIGHT SHOULD BE AWARE OF THE POOR DRIVING CONDITIONS. CHECK THE LATEST ROAD AND TRAVEL INFORMATION BEFORE VENTURING OUT. 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 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. && $$ RUBIN
652 WWUS45 KCYS 070302 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 802 PM MST SUN FEB 6 2011 ...LIGHT SNOW WILL CONTINUE OVER THE MOUNTAINS THROUGH MONDAY MORNING AND THEN INCREASE IN INTENSITY MONDAY AFTERNOON AND MONDAY NIGHT... .PERIODS OF LIGHT SNOW OR FLURRIES WILL CONTINUE OVER THE SNOWY AND SIERRA MADRE RANGES THROUGH MONDAY MORNING. NEW SNOWFALL THROUGH MONDAY MORNING WILL BE 2 TO 4 INCHES IN SOME LOCATIONS. A STORM SYSTEM WILL MOVE INTO THE CENTRAL ROCKIES BY MONDAY NIGHT AND REMAIN OVER THE AREA THROUGH TUESDAY. IN ADDITION...A COLD FRONT WILL MOVE SOUTH AND ACROSS THE REGION MONDAY AFTERNOON AND EVENING. THE COMBINATION WILL INCREASE THE SNOWFALL RATES OVER THE MOUNTAINS SUNDAY AFTERNOON...WITH HEAVY SNOW AT TIMES THROUGH MONDAY NIGHT. WESTERLY WINDS WILL GUST AS HIGH AS 50 MPH IN OPEN AREAS LATER TONIGHT AND MONDAY AND WILL PRODUCE BLOWING AND DRIFTING SNOW. WYZ103-112-114-071200- /O.CAN.KCYS.WW.Y.0006.000000T0000Z-110207T0600Z/ /O.CON.KCYS.WS.W.0005.110207T1900Z-110208T1300Z/ NORTH LARAMIE RANGE-SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 802 PM MST SUN FEB 6 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON MONDAY TO 6 AM MST TUESDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON MONDAY TO 6 AM MST TUESDAY. * TIMING...SNOW WILL INCREASE IN INTENSITY MONDAY AFTERNOON AND WILL BE HEAVY AT TIMES THROUGH MONDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...NEW SNOW ACCUMULATIONS FOR MONDAY AFTERNOON AND MONDAY NIGHT WILL BE BETWEEN 9 AND 14 INCHES. * WINDS/VISIBILITIES...WINDS WILL INCREASE AFTER MIDNIGHT TONIGHT INTO THE 30 TO 40 MPH RANGE WITH GUSTS TO 50 MPH. VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. STRONG WINDS WILL ALSO OCCUR ON MONDAY WHICH WILL CONTINUE THE BLOWING AND DRIFTING SNOW...HOWEVER WINDS ARE EXPECTED TO DECREASE BY MONDAY NIGHT. * IMPACTS...HEAVY SNOW WILL IMPACT TRAVEL WITH ROADS SNOWPACKED AND SLICK MONDAY AFTERNOON AND MONDAY NIGHT. THOSE PLANNING TO TRAVEL ACROSS THE AREA MONDAY AFTERNOON AND MONDAY NIGHT SHOULD BE AWARE OF THE POOR DRIVING CONDITIONS. CHECK THE LATEST ROAD AND TRAVEL INFORMATION BEFORE VENTURING OUT. 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. && $$ WEILAND
991 WWUS45 KCYS 071145 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 445 AM MST MON FEB 7 2011 ...SNOW AND COLD TEMPERATURES EXPECTED FOR THE AREA... .A STORM SYSTEM WILL MOVE INTO THE CENTRAL ROCKIES BY MONDAY NIGHT AND WILL REMAIN OVER THE AREA THROUGH TUESDAY MORNING. IN ADDITION...A COLD FRONT WILL MOVE SOUTH ACROSS THE REGION MONDAY AFTERNOON AND EVENING. THIS COMBINATION WILL INCREASE THE SNOWFALL RATES OVER THE MOUNTAINS THIS AFTERNOON AND ACROSS THE REST OF THE AREA TONIGHT...WITH HEAVY SNOW AT TIMES THROUGH EARLY TUESDAY MORNING. WESTERLY WINDS WILL GUST AS HIGH AS 50 MPH IN OPEN AREAS TODAY AND WILL PRODUCE BLOWING AND DRIFTING SNOW. WYZ103-112-114-072345- /O.EXT.KCYS.WS.W.0005.110207T1900Z-110208T1800Z/ NORTH LARAMIE RANGE-SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 445 AM MST MON FEB 7 2011 ...WINTER STORM WARNING NOW IN EFFECT FROM NOON TODAY TO 11 AM MST TUESDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM NOON TODAY TO 11 AM MST TUESDAY. * TIMING...SNOW WILL INCREASE IN INTENSITY THIS AFTERNOON AND WILL BE HEAVY AT TIMES THROUGH TONIGHT. * TOTAL SNOW ACCUMULATIONS...NEW SNOW ACCUMULATIONS FOR MONDAY AFTERNOON AND THROUGH TUESDAY MORNING WILL BE FROM 14 TO 18 INCHES. * WINDS/VISIBILITIES...WINDS WILL BE SUSTAINED AT 25 TO 40 MPH TODAY WITH GUSTS UP TO 60 MPH. THE WINDS WILL DECREASE AFTER MIDNIGHT TONIGHT. THESE WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. * IMPACTS...HEAVY SNOW WILL IMPACT TRAVEL WITH ROADS SNOWPACKED AND SLICK THIS AFTERNOON AND TONIGHT. THOSE PLANNING TO TRAVEL ACROSS THE AREA THIS AFTERNOON AND TONIGHT SHOULD BE AWARE OF THE POOR DRIVING CONDITIONS. CHECK THE LATEST ROAD AND TRAVEL INFORMATION BEFORE VENTURING OUT. 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. && $$ NEZ002-003-019>021-054-055-095-096-WYZ101-102-104>111-113-115>119- 072345- /O.NEW.KCYS.WW.Y.0007.110208T0000Z-110208T1800Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-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- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-SOUTH LARAMIE RANGE- 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...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE... HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...BURNS... CARPENTER...ALBIN...PINE BLUFFS 445 AM MST MON FEB 7 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS EVENING TO 11 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY. * TIMING...SNOW WILL DEVELOP ACROSS THE AREA THIS AFTERNOON AND WILL INCREASE IN INTENSITY TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS WILL BE FROM 3 TO 5 INCHES ACROSS THE AREA BY LATE TUESDAY MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE...ESPECIALLY IN THE NEBRASKA PANHANDLE. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 40 MPH BY THIS EVENING. THE WINDS WILL DECREASE AFTER MIDNIGHT. THE STRONG WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW LATE THIS AFTERNOON THROUGH THE EVENING. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA TONIGHT AND TUESDAY MORNING SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. 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. && $$ DAUGHERTY
247 WWUS45 KCYS 071748 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1048 AM MST MON FEB 7 2011 ...SNOW AND COLD TEMPERATURES EXPECTED FOR THE AREA... .A STORM SYSTEM WILL MOVE INTO THE CENTRAL ROCKIES THIS EVENING AND WILL REMAIN OVER THE AREA THROUGH TUESDAY MORNING. IN ADDITION...A COLD FRONT WILL MOVE SOUTH ACROSS THE REGION THIS AFTERNOON AND EVENING. THIS COMBINATION WILL INCREASE THE SNOWFALL RATES OVER THE MOUNTAINS THIS AFTERNOON AND ACROSS THE REST OF THE AREA TONIGHT...WITH HEAVY SNOW AT TIMES THROUGH EARLY TUESDAY MORNING. WESTERLY WINDS WILL GUST AS HIGH AS 50 MPH IN OPEN AREAS TODAY AND WILL PRODUCE BLOWING AND DRIFTING SNOW. WYZ104>106-109>111-113-115>117-080600- /O.UPG.KCYS.WW.Y.0007.110208T0000Z-110208T1800Z/ /O.EXB.KCYS.WS.W.0005.110208T0000Z-110208T1800Z/ FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX... RAWLINS...SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS... DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER 1048 AM MST MON FEB 7 2011 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP ACROSS THE AREA THIS AFTERNOON AND WILL INCREASE IN INTENSITY TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS WILL BE FROM 6 TO 8 INCHES IN THE VALLEYS AND ELEVATIONS BELOW 7500 FEET WITH 12 TO 16 INCHES ABOVE 7500 FEET BY LATE TUESDAY MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 40 MPH BY THIS EVENING. THE WINDS WILL DECREASE AFTER MIDNIGHT. THE STRONG WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW LATE THIS AFTERNOON THROUGH THE EVENING. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA TONIGHT AND TUESDAY MORNING SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. 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. && $$ WYZ103-112-114-080600- /O.EXT.KCYS.WS.W.0005.110208T0000Z-110208T1800Z/ NORTH LARAMIE RANGE-SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 1048 AM MST MON FEB 7 2011 ...WINTER STORM WARNING NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY. * TIMING...SNOW WILL INCREASE IN INTENSITY THIS AFTERNOON AND WILL BE HEAVY AT TIMES THROUGH TONIGHT. * TOTAL SNOW ACCUMULATIONS...NEW SNOW ACCUMULATIONS FOR MONDAY AFTERNOON AND THROUGH TUESDAY MORNING WILL BE FROM 14 TO 18 INCHES. * WINDS/VISIBILITIES...WINDS WILL BE SUSTAINED AT 25 TO 40 MPH TODAY WITH GUSTS UP TO 60 MPH. THE WINDS WILL DECREASE AFTER MIDNIGHT TONIGHT. THESE WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. * IMPACTS...HEAVY SNOW WILL IMPACT TRAVEL WITH ROADS SNOWPACKED AND SLICK THIS AFTERNOON AND TONIGHT. THOSE PLANNING TO TRAVEL ACROSS THE AREA THIS AFTERNOON AND TONIGHT SHOULD BE AWARE OF THE POOR DRIVING CONDITIONS. CHECK THE LATEST ROAD AND TRAVEL INFORMATION BEFORE VENTURING OUT. 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. && $$ NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119- 080600- /O.CON.KCYS.WW.Y.0007.110208T0000Z-110208T1800Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-EAST PLATTE COUNTY-GOSHEN COUNTY- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...GLENDO... WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 1048 AM MST MON FEB 7 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST TUESDAY. * TIMING...SNOW WILL DEVELOP ACROSS THE AREA THIS AFTERNOON AND WILL INCREASE IN INTENSITY TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS WILL BE FROM 3 TO 5 INCHES ACROSS THE AREA BY LATE TUESDAY MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE...ESPECIALLY IN THE NEBRASKA PANHANDLE. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 40 MPH BY THIS EVENING. THE WINDS WILL DECREASE AFTER MIDNIGHT. THE STRONG WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW LATE THIS AFTERNOON THROUGH THE EVENING. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA TONIGHT AND TUESDAY MORNING SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS. && $$
923 WWUS45 KCYS 072227 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 327 PM MST MON FEB 7 2011 ...SNOW AND COLD TEMPERATURES EXPECTED FOR THE AREA... .A STORM SYSTEM WILL MOVE INTO THE CENTRAL ROCKIES THIS EVENING AND WILL REMAIN OVER THE AREA THROUGH TUESDAY MORNING. IN ADDITION...A COLD FRONT WILL MOVE SOUTH ACROSS THE REGION THIS AFTERNOON AND EVENING. THIS COMBINATION WILL INCREASE THE SNOWFALL RATES OVER THE MOUNTAINS THIS AFTERNOON AND ACROSS THE REST OF THE AREA TONIGHT...WITH HEAVY SNOW AT TIMES THROUGH EARLY TUESDAY MORNING. WYZ103>106-109>117-081200- /O.CON.KCYS.WS.W.0005.110208T0000Z-110208T1800Z/ NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE 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- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX... RAWLINS...SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS... DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY... WOODS LANDING...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE... HORSE CREEK...HARRIMAN...WHITAKER 327 PM MST MON FEB 7 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY. * TIMING...SNOW WILL DEVELOP ACROSS THE AREA THIS AFTERNOON AND WILL INCREASE IN INTENSITY TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS WILL BE FROM 6 TO 8 INCHES IN THE VALLEYS AND ELEVATIONS BELOW 7500 FEET WITH 12 TO 16 INCHES ABOVE 7500 FEET BY LATE TUESDAY MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL BECOME NORTHEASTERLY AT 15 TO 25 MPH SUSTAINED WITH GUSTS TO 35 MPH. THE WINDS WILL DECREASE AFTER MIDNIGHT. THE STRONG WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW LATE THIS AFTERNOON THROUGH THE EVENING. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA TONIGHT AND TUESDAY MORNING SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. 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. && $$ NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119- 081200- /O.CON.KCYS.WW.Y.0007.110208T0000Z-110208T1800Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-EAST PLATTE COUNTY-GOSHEN COUNTY- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...GLENDO... WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 327 PM MST MON FEB 7 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST TUESDAY. * TIMING...SNOW WILL DEVELOP ACROSS THE AREA THIS AFTERNOON AND WILL INCREASE IN INTENSITY TONIGHT. THE SNOW WILL BE HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS WILL BE FROM 3 TO 5 INCHES ACROSS THE AREA BY LATE TUESDAY MORNING. LOCALLY HIGHER AMOUNTS ARE POSSIBLE...ESPECIALLY IN THE NEBRASKA PANHANDLE. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL INCREASE TO 15 TO 25 MPH WITH GUSTS UP TO 35 MPH BY THIS EVENING. THE WINDS WILL DECREASE AFTER MIDNIGHT. THE STRONG WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW LATE THIS AFTERNOON THROUGH THE EVENING. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA TONIGHT AND TUESDAY MORNING SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS. && $$
391 WWUS45 KCYS 081200 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 500 AM MST TUE FEB 8 2011 ...SNOW AND COLD TEMPERATURES EXPECTED FOR THE AREA... .A STORM SYSTEM MOVING ACROSS THE CENTRAL ROCKIES THIS MORNING WILL CONTINUE TO BRING LIGHT SNOW AND GUSTY EAST WINDS THROUGH THE LATE MORNING. VERY COLD WIND CHILLS WILL ALSO OCCUR DURING THIS TIME. WYZ103-081300- /O.CAN.KCYS.WS.W.0005.000000T0000Z-110208T1800Z/ NORTH LARAMIE RANGE- 500 AM MST TUE FEB 8 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS DECREASED IN INTENSITY ACROSS THE AREA AND WINDS WILL REMAIN LIGHT THROUGH THE MORNING...SO WILL CANCEL THE WARNING. FLURRIES WILL REMAIN A POSSIBILITY THROUGH NOON. $$ NEZ002-003-095-096-WYZ101-102-081300- /O.CAN.KCYS.WW.Y.0007.000000T0000Z-110208T1800Z/ DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE... DOUGLAS...GLENROCK...LUSK 500 AM MST TUE FEB 8 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS DECREASED IN INTENSITY OVER THE AREA AND WINDS ARE ON THE DECREASE AS WELL SO WILL CANCEL THE ADVISORY. VERY COLD TEMPERATURES WILL CONTINUE ACROSS THE AREA THROUGH THE LATE MORNING. $$ WYZ104>106-109>117-081800- /O.CON.KCYS.WS.W.0005.000000T0000Z-110208T1800Z/ FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE 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- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX... RAWLINS...SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS... DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY... WOODS LANDING...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE... HORSE CREEK...HARRIMAN...WHITAKER 500 AM MST TUE FEB 8 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...LIGHT SNOW WILL CONTINUE ACROSS THE AREA THROUGH LATE MORNING. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS WILL BE FROM 6 TO 8 INCHES IN THE VALLEYS AND ELEVATIONS BELOW 7500 FEET WITH 12 TO 16 INCHES ABOVE 7500 FEET. * WINDS/VISIBILITIES...NORTHEASTERLY WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE THROUGH THE LATE MORNING. THE STRONG WINDS WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. 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. && $$ NEZ019>021-054-055-WYZ107-108-118-119-081800- /O.CON.KCYS.WW.Y.0007.000000T0000Z-110208T1800Z/ SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-EAST PLATTE COUNTY- GOSHEN COUNTY-CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG... BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...GLENDO...WHEATLAND... CHUGWATER...GUERNSEY...TORRINGTON...CHEYENNE...BURNS... CARPENTER...ALBIN...PINE BLUFFS 500 AM MST TUE FEB 8 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...LIGHT SNOW CONTINUE THROUGH THE LATE MORNING. * TOTAL SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS WILL BE FROM 3 TO 5 INCHES ACROSS THE AREA. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL BE 10 TO 15 MPH...DECREASING THROUGH THE LATE MORNING. SOME AREAS OF BLOWING AND DRIFTING SNOW ARE POSSIBLE. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS. && $$
126 WWUS45 KCYS 081708 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1008 AM MST TUE FEB 8 2011 ...SNOW AND COLD TEMPERATURES EXPECTED FOR THE AREA... .A STORM SYSTEM MOVING ACROSS THE CENTRAL ROCKIES THIS MORNING WILL CONTINUE TO BRING LIGHT SNOW AND GUSTY EAST WINDS THROUGH THE EARLY AFTERNOON. VERY COLD WIND CHILLS WILL ALSO OCCUR DURING THIS TIME. WYZ110-115>117-082100- /O.CAN.KCYS.WS.W.0005.000000T0000Z-110208T1800Z/ /O.EXB.KCYS.WW.Y.0007.000000T0000Z-110208T2100Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 1008 AM MST TUE FEB 8 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...LIGHT SNOW WILL CONTINUE THROUGH THE EARLY AFTERNOON. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL BE 10 TO 15 MPH... DECREASING THROUGH THE EARLY AFTERNOON. SOME AREAS OF BLOWING AND DRIFTING SNOW ARE POSSIBLE. VISIBILITIES...PARTICULARLY IN THE ARLINGTON AND ELK MOUNTAIN AREA...WILL BE REDUCED TO LESS THAN A MILE AT TIMES. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. 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. && $$ WYZ104>106-109-111>114-081815- /O.CAN.KCYS.WS.W.0005.000000T0000Z-110208T1800Z/ FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX... RAWLINS...SINCLAIR...HANNA...BAGGS...DIXON...SARATOGA... ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING 1008 AM MST TUE FEB 8 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. SNOWFALL HAS BEEN ENDING ACROSS THE AREA...SO THE WINTER STORM WARNING WILL BE CANCELLED. HOWEVER LOCATIONS ALONG I-80 HAVE BEEN DOWNGRADED TO A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW. $$ NEZ019>021-WYZ107-108-081815- /O.CAN.KCYS.WW.Y.0007.000000T0000Z-110208T1800Z/ SCOTTS BLUFF-BANNER-MORRILL-EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG... BRIDGEPORT...BAYARD...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY... TORRINGTON 1008 AM MST TUE FEB 8 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOWFALL IS ENDING ACROSS THE AREA...SO THE WINTER WEATHER ADVISORY WILL BE CANCELLED. $$ NEZ054-055-WYZ118-119-082100- /O.EXT.KCYS.WW.Y.0007.000000T0000Z-110208T2100Z/ KIMBALL-CHEYENNE-CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...KIMBALL...SIDNEY...CHEYENNE...BURNS... CARPENTER...ALBIN...PINE BLUFFS 1008 AM MST TUE FEB 8 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. * TIMING...LIGHT SNOW WILL CONTINUE THROUGH THE EARLY AFTERNOON. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES POSSIBLE ACROSS THE AREA. * WINDS/VISIBILITIES...NORTHERLY WINDS WILL BE 10 TO 15 MPH... DECREASING THROUGH THE EARLY AFTERNOON. SOME AREAS OF BLOWING AND DRIFTING SNOW ARE POSSIBLE. VISIBILITIES WILL BE REDUCED TO A COUPLE MILES OR LESS AT TIMES. * IMPACTS...PEOPLE PLANNING TRAVEL ACROSS THE AREA SHOULD BE AWARE OF THE EXPECTED ADVERSE WEATHER CONDITIONS. CHECK THE LATEST FORECASTS AND ROAD CONDITIONS BEFORE VENTURING OUT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING... ESPECIALLY IN OPEN AREAS. && $$ LUNDQUIST
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Feb 5, 10:57 PM MST, 4 hours 13 minutes earlier.
Area forecast discussion, Feb 5, 10:57 PM MST, 4 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHEYENNE WY 1057 PM MST SAT FEB 5 2011 .AVIATION...06Z TAF ISSUANCE OVERALL SNOW SHOWER ACTIVITY HAS BEEN DECREASING SINCE 04Z. EXPECT GENERALLY VFR CEILINGS AND VISIBILITIES OVERNIGHT EXCEPT MVFR DURING SNOW SHOWERS. CEILINGS ON SUNDAY WILL BE VFR (AROUND 5000 FT AGL)... EXCEPT MVFR DURING SNOW SHOWERS AT THE WYOMING TERMINALS. IT WILL REMAIN BREEZY AT TIMES WITH NORTHWEST WINDS GUSTING TO AROUND 25 KT. && .PREV DISCUSSION... /ISSUED 945 PM MST SAT FEB 5 2011/ DISCUSSION...SNOWFALL RATES OVER THE LOWER ELEVATIONS WEST OF THE LARAMIE RANGE HAVE BEEN SLOWLY DECREASING SINCE 02Z. THE 300 MB JET CONTINUES TO BE LOCATED OVER WESTERN WYOMING...WITH THE EAST PART OF THE STATE UNDER CYCLONIC FLOW. THAT SHOULD ALLOW FOR THE LIGHT SNOW TO CONTINUE ACROSS SOUTHEAST WYOMING THE REST OF TONIGHT...ESPECIALLY OVER AND WEST OF THE LARAMIE RANGE. THE ATMOSPHERE DRIES SLIGHTLY THE REST OF TONIGHT AS WELL AS CONTINUES TO SLOWLY STABILIZE. THAT SHOULD KEEP SNOWFALL RATES ON THE LIGHT SIDE OUTSIDE OF THE MOUNTAINS. AT THIS TIME WILL CANCEL THE WINTER WEATHER ADVISORY FOR THE LOWER ELEVATIONS WEST OF THE LARAMIE RANGE. HOWEVER... SATELLITE IMAGERY INDICATES SOME CLOUD TOP COOLING OVER THE AREA AND THE KRIW RADAR CONTINUE TO SHOW HIGHER REFLECTIVITY OVER FREMONT COUNTY. FINALLY...A BAND OF MODERATE SNOWFALL LOCATED FROM KBFF TO K82V AT 0430Z WILL CONTINUE TO HEAD SOUTHEAST AND BRING A BRIEF PERIOD OF MODERATE SNOWFALL TO MUCH OF THE SOUTHERN PANHANDLE THROUGH 07Z. WILL LET MID SHIFT TAKE A LOOK AT ANY POSSIBLE SNOW HIGHLIGHTS FOR THE WEST PART OF THE CWA AND POSSIBLY AREAS FURTHER EAST...FOR MAINLY MONDAY THROUGH TUESDAY. WINDS WILL BECOME STRONG SUNDAY NIGHT AND INTO MONDAY AHEAD OF THE ARCTIC FRONT AS WELL ESPECIALLY IN AREAS ALONG AND WEST OF THE LARAMIE RANGE. DISCUSSION...SNOW SHOWERS CONTINUE THIS EVENING ON THE CYCLONIC SIDE OF THE 300 MB JET EXTENDING ACROSS EASTERN WYOMING. SINCE SUNSET... THE ACTIVITY HAS DIMINISHED OVER THE WESTERN NEBRASKA PANHANDLE. WILL KEEP POPS HIGH INTO THE EARLY MORNING HOURS OVER SOUTHEAST WYOMING AND THEN LOWER EAST OF THE LARAMIE RANGE AS THE AIRMASS APPEARS THAT IT WILL DRY AND STABILIZE SOME. THE INTENSITY AND SNOWFALL RATES WILL ALSO DIMINISH FOR THE REST OF TONIGHT OUTSIDE OF THE MOUNTAINS. FOR NOW WILL LEAVE HIGHLIGHTS GOING...BUT WILL DECIDE BY 06Z WHETHER TO CANCEL THE WINTER WEATHER ADVISORY FOR MUCH OF THE WESTERN CWA. DISCUSSION...BAND OF HEAVIER CONVECTIVE SNOW SHOWERS WAS LOCATED FROM KLAR TO SOUTHWEST OF KCYS AT 0130Z. SNOWFALL RATES AND EVEN COVERAGE OF THE SNOW SHOULD DECREASE BY LATE EVENING OVER AT LEAST THE EAST PART OF THE CWA. HAVE TRIED TO CATCH THE WEATHER FOR THE EVENING IN A RECENT UPDATE AND MAY LOWER POPS FURTHER OVER MUCH OF THE EAST PART OF THE CWA LATER TONIGHT IN A NEAR FUTURE UPDATE. AVIATION...00Z TAF ISSUANCE... MVFR AND EVEN IFR CEILINGS AND VISIBILITIES IN SNOW SHOWERS WILL CONTINUE THROUGH 04Z. AFTER THAT TIME...THE ACTIVITY SHOULD DIMINISH OVER AT LEAST THE EAST PART OF THE CWA WITH THE LOWER CONDITIONS PERSISTING OVER AND WEST OF THE LARAMIE RANGE. MORE SNOW SHOWERS WILL DEVELOP OVER THE CWA SUNDAY AFTERNOON...BUT COVERAGE AND INTENSITY TO THE EAST OF THE LARAMIE RANGE SHOULD NOT BE AS GREAT AS THAT OF SATURDAY AFTERNOON. NORTHWEST WINDS WILL GUST AS HIGH AS 35 KNOTS OVER THE CWA THROUGH 03Z AND THEN AGAIN AFTER 16Z SUNDAY. THE SNOWY RANGE WILL REMAIN OBSCURED THROUGH 00Z MONDAY. UPDATE...GRIDDED FORECASTS UPDATED FOR THE NORTHWEST TO SOUTHEAST ORIENTED SNOW BAND MOVING SOUTHWARD ACROSS SOUTHERN ALBANY AND LARAMIE COUNTIES. BOOSTED POPS FOR THE REST OF THE AFTERNOON WHERE THE SNOW BAND WILL MOVE THROUGH AND ALSO BOOSTED SNOW ACCUMULATIONS THROUGH THE AFTERNOON HOURS ACROSS SOUTHERN ALBANY AND WESTERN LARAMIE COUNTIES...INCLUDING CHEYENNE. RUBIN PREVIOUS DISCUSSION.../ISSUED AT 646 PM MST SAT FEB 5 2011/... SHORT TERM...TONIGHT THROUGH MONDAY. TONIGHT...SURFACE OBSERVATIONS...DOPPLER RADAR AND VISIBLE SATELLITE IMAGERY ALL SHOW SNOW FALLING UPSTREAM ACROSS NORTHERN AND WESTERN WYOMING. EXPECT THIS SNOW TO OVERSPREAD OUR WESTERN COUNTIES THIS EVENING THUS HIGH POPS THERE AND THE WINTER WEATHER ADVISORY FOR THE LOWER ELEVATIONS AND WINTER STORM WARNING FOR THE MOUNTAINS LOOK ON TRACK. 05/18Z NAM INDICATES...AS DID THE 05/12Z NAM...THAT SNOW WILL DECREASE IN AREAL COVERAGE AND INTENSITY AFTER MIDNIGHT...THUS THE ADVISORY MAY NEED TO BE CANCELLED EARLY. STRONG DOWNSLOPING IN THE LOW AND MID LEVELS WILL LIMIT SNOW COVERAGE EAST OF THE LARAMIE RANGE. SUNDAY...IN THE WAKE OF THE SHORTWAVE TROUGH ALOFT PASSAGE...EXPECT SNOW TO DECREASE IN AREAL COVERAGE AND INTENSITY ACROSS CARBON... CONVERSE AND ALBANY COUNTIES...THOUGH WILL SEE JET ENHANCED SNOWS DEVELOP AS 140 KNOT 300 MB JET TRANSLATES OVERHEAD WITH LIKELY CONDITIONAL SYMMETRIC INSTABILITY...CSI...BANDS OF SNOW WEST OF THE LARAMIE RANGE. SNOWFALL ACCUMULATIONS LOOK MINIMAL...THOUGH WE HAVE DECIDED TO LET THE WINTER STORM WARNING FOR THE SNOWY...SIERRA MADRE AND NORTHERN LARAMIE RANGES CONTINUE SINCE LIGHT SNOW WILL STILL BE FALLING. SUNDAY NIGHT...THE FLOW ALOFT BACKS TO NORTHWEST AND STRENGTHENS IN ADVANCE OF THE NEXT APPROACHING SHORTWAVE TROUGH ALOFT FROM WESTERN MONTANA. IN RESPONSE...A SURFACE LOW PRESSURE TROUGH WILL DEVELOP FROM WESTERN MONTANA SOUTHEASTWARD TO SOUTHEAST WYOMING. BOTH THE NAM AND GFS PAINT QPF AND SNOW INCREASING COVERAGE ACROSS CARBON COUNTY...ESPECIALLY AFTER MIDNIGHT...AND THIS LOOKS QUITE PLAUSIBLE AS THE ATMOSPHERIC COLUMN SATURATES AND LIFT IS PROVIDED BY OROGRAPHICS AND WARM AIR ADVECTION IN THE MID LEVELS ABOVE THE COLD AIR AT THE SURFACE. THUS WILL HAVE HIGH POPS...50 TO 100 PERCENT ACROSS CARBON...SOUTHERN CONVERSE AND ALBANY COUNTIES. SURFACE THROUGH 700 MB GRADIENTS INCREASE MARKEDLY AFTER MIDNIGHT WITH THE NAM SHOWING A 40 TO 50 KNOT 700 MB JETLET OVER CARBON COUNTY LATE ALONG WITH A 500-300 MB QUASIGEOSTROPHIC DOWNWARD MOTION COUPLET WHICH WILL AID IN DOWNWARD TRANSPORT OF MOMENTUM AND STRONGER WINDS TO THE SURFACE...REFLECTED WELL IN THE RAWLINS NAM GUIDANCE WINDS. WITH THE STRONG WINDS AND EXPECTED SNOW ACROSS CARBON...SOUTHERN CONVERSE AND ALBANY COUNTIES...WIDESPREAD SNOW...BLOWING SNOW AND LOW VISIBILITIES WILL BE COMMON. OUR FORECAST TEAM CONSIDERED ISSUANCE OF A WINTER STORM WATCH FOR THE LOWER ELEVATIONS OF OUR WESTERN COUNTIES...BUT WILL HOLD OFF FOR NOW AND LET LATER SHIFTS EXAMINE INCOMING MODEL OUTPUT AND BEEF UP WORDING OF SNOW...WINDS AND BLOWING SNOW IN THE GRIDDED FORECASTS. DOWNSLOPING EAST OF THE LARAMIE RANGE WILL KEEP SNOW SHOWERS COVERAGE TO ISOLATED. SIGNIFICANT SNOWS WILL CONTINUE ACROSS THE SNOWY...SIERRA MADRE AND NORTHERN LARAMIE RANGES. MONDAY...POSITIVELY TILTED SHORTWAVE TROUGH ALOFT MOVES ACROSS WYOMING WITH THE LEADING EDGE OF THE ARCTIC COLD FRONT SAGGING SOUTHWARD TO A DOUGLAS TO SCOTTSBLUFF LINE BY LATE AFTERNOON. SNOW WILL INCREASE IN COVERAGE AND INTENSITY ALONG AND NORTH OF THE ARCTIC COLD FRONT WITH SNOW AIDED BY OROGRAPHICS AND DYNAMICS CONTINUING ACROSS CARBON...CONVERSE AND ALBANY COUNTIES. SNOW SHADOW EFFECT AND DOWNSLOPING WILL LIMIT SNOW COVERAGE ALONG AND EAST OF THE LARAMIE RANGE. LONG TERM...MONDAY NIGHT THROUGH SATURDAY MOST OF THE FORECAST CHALLENGES COME IN THE FIRST PART OF THE SHORT TERM AS A COLD FRONT MOVES THROUGH THE AREA. TEMPERATURES AND PRECIP TIMING AMOUNTS WERE THE MAJOR CHALLENGES. BOTH THE GFS AND ECMWF MODELS SIMILAR ON TIMING OF THE COLD FRONT PUSHING INTO SOUTHWEST WYOMING MONDAY NIGHT THROUGH TUESDAY MORNING. ECMWF HAS A CLOSED UPPER LOW TUESDAY MORNING WHILE THE GFS SHOWS AN OPEN WAVE...SO GFS SLIGHTLY FASTER ON ONSET AND ENDING OF SNOWS WHILE ECMWF HOLDS ONTO THE SNOW A LITTLE LONGER. BOTH ARE SHOWING SIGNIFICANT SNOW AMOUNTS. ECMWF SHOWING ABOUT .6 INCHES OF QPF OVER THE SNOWY AND SIERRA MADRE RANGES WHILE GFS SHOWING MORE LIKE A QUARTER INCH. 700MB TEMPERATURES DROP TO -20 TO -22C ON BOTH MODELS FOR TUESDAY...SO EXPECT VERY COLD TEMPERATURES FOR TUESDAY AND WEDNESDAY. DEPENDING ON HOW WIDESPREAD THE SNOW PACK IS...THIS WILL LOWER TEMPERATURES AS WELL. DID UNDERCUT GUIDANCE BY SEVERAL DEGREES FOR HIGHS AND LOWS DURING THIS TIME. EXPECT LOWS BELOW ZERO WEDNESDAY MORNING TO JUST ABOVE ZERO THURSDAY MORNING. HIGHS FOR WEDNESDAY SHOULD BE SINGLE DIGITS WEST OF THE LARAMIE RANGE WITH UPPER TEENS EAST. FOR THURSDAY...MID TO HIGH TEENS WEST OF THE LARAMIE RANGE...WITH NEAR FREEZING EAST. FINALLY START TO SEE A WARM UP THURSDAY INTO FRIDAY AS BROAD UPPER LEVEL RIDGING BRINGS A RETURN OF WARMER WESTERLY WINDS. 700MB TEMPERATURES CLIMB TO -4C THURSDAY AFTERNOON ACROSS THE CENTRAL PORTIONS OF THE CWA...INCREASING TO ABOVE 0C BY FRIDAY AFTERNOON. SO GOOD NEWS IS THAT THE COLD TEMPERATURES WILL NOT STAY WITH US TOO LONG. EXPECTING LOWS IN THE UPPER TEENS AND HIGHS IN THE 40S FOR FRIDAY AND SATURDAY. AVIATION...18Z TAFS AREA WEBCAMS SHOWING VERY LOW CONDITIONS WEST OF THE LARAMIE RANGE THIS MORNING. WOULD EXPECT THIS TO CONTINUE THROUGH THE AFTERNOON WITH IFR TO LIFR VISIBILITIES AT RAWLINS AND POSSIBLY LARAMIE. LOOKING FURTHER AHEAD...PERIODS OF MVFR TO IFR CEILINGS AND VISIBILITIES IN SNOW WILL BE OCCUR SUNDAY THROUGH TUESDAY. WORSE CONDITIONS LOOK TO BE SUNDAY NIGHT THROUGH MONDAY. FIRE WEATHER...NO FIRE WEATHER ISSUES THROUGH MONDAY. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...WINTER STORM WARNING UNTIL 6 AM TUESDAY FOR WYZ103-WYZ112-WYZ114. NE...NONE. && SHORT TERM/AVIATION...RUBIN LONG TERM...CLAYCOMB AVIATION UPDATE...JAMSKI
Hazardous weather outlook, Feb 5, 10:00 PM MST, 5 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 1000 PM MST SAT FEB 5 2011 NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-117>119- 061245- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-EAST PLATTE COUNTY-GOSHEN COUNTY- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- 1000 PM MST SAT FEB 5 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE...SOUTHEAST WYOMING. .DAY ONE...TONIGHT A SCATTERED COVERAGE OF SNOW SHOWERS WILL CONTINUE TO MOVE SOUTH OVER THE AREA THROUGH MIDNIGHT. THE COVERAGE OF THE SHOWERS WILL DECREASE LATER TONIGHT. ADDITIONAL SNOW WILL BE LESS THAN ONE HALF INCH...BUT VISIBILITIES WILL BE REDUCED TO BETWEEN 1 AND 3 MILES FOR BRIEF PERIODS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A PROLONGED PERIOD OF UNSETTLED WEATHER IS FORECAST SUNDAY THROUGH TUESDAY AS A SERIES OF UPPER LEVEL DISTURBANCES AND AN ARCTIC COLD FRONT MOVE ACROSS THE AREA. THERE WILL BE PERIODS OF SNOW WITH LIGHT TO MODERATE ACCUMULATIONS. MUCH BELOW NORMAL TEMPERATURES ARE EXPECTED THROUGH WEDNESDAY...FOLLOWED BY A GRADUAL WARMING TREND THURSDAY AND FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WYZ103>106-109>116-061245- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE 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- 1000 PM MST SAT FEB 5 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TONIGHT A WINTER STORM WARNING IS IN EFFECT FOR THE NORTHERN LARAMIE...SNOWY AND SIERRA MADRE RANGES. SNOW WILL DECREASE IN COVERAGE AND INTENSITY AFTER MIDNIGHT. ADDITIONAL SNOWFALL OF 2 TO 4 INCHES WILL OCCUR THE REST OF TONIGHT. LIGHT SNOW WILL CONTINUE OVER THE LOWER ELEVATIONS FOR THE REST OF TONIGHT. ADDITIONAL SNOW THROUGH SUNRISE WILL BE BETWEEN ONE HALF INCH AND TWO INCHES. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A WINTER STORM WARNING IS IN EFFECT FOR THE NORTHERN LARAMIE...SNOWY AND SIERRA MADRE RANGES THROUGH MONDAY NIGHT. TOTAL SNOWFALL OF 20 TO 30 INCHES WILL OCCUR THROUGH MONDAY NIGHT ACROSS THE SNOWY AND SIERRA MADRE RANGES WITH 15 TO 20 INCHES ACROSS THE NORTHERN LARAMIE RANGE. LOCALLY HIGHER SNOWFALL AMOUNTS WILL OCCUR ON NORTHWEST FACING SLOPES. MUCH BELOW NORMAL TEMPERATURES ARE FORECAST THROUGH WEDNESDAY...FOLLOWED BY A GRADUAL WARMING TREND THURSDAY AND FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT...HOWEVER SNOW AMOUNTS WILL BE APPRECIATED. && 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, Feb 5, 9:17 PM MST, 5 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
917 PM MST SAT FEB 05 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0916 PM SNOW 10 N CHEYENNE 41.29N 104.79W
02/05/2011 M3.0 INCH LARAMIE WY NWS EMPLOYEE
DRIFTS WERE UP TO ONE FOOT.
0916 PM SNOW LARAMIE 41.31N 105.58W
02/05/2011 E1.0 INCH ALBANY WY LAW ENFORCEMENT
MOST AMOUNTS IN TOWN WERE BETWEEN ONE HALF AND ONE INCH.
&&
MWEILANDThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 3:10 AM MST | Winter Weather Advisory | CYS | Albany, Carbon, Converse, Platte | 17 hr |
| Feb 6, 9:12 AM MST | High Wind Watch | CYS | Albany, Carbon, Laramie, Platte | 3 hr |
| Feb 6, 12:29 PM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 26 hr |
Nearby
Winter Storm Warnings in Wyoming, 2011Every winter storm warning in 2011
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.