Alert archive / Wyoming / Winter Storm Warnings in 2011
Winter Storm Warning 3, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Jan 21, 2011, 2:05 PM MST for Albany County, Carbon County, Wyoming. It took effect at Jan 22, 2011, 2:00 AM MST. It was in force for 21 hr. 16 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
- Jan 21, 2011, 2:05 PM MST (21:05 UTC)
- In effect from
- Jan 22, 2011, 2:00 AM MST
- Expired
- Jan 22, 2011, 11:00 PM MST
- In force
- 21 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY
The radar
The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 21:10 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 |
|---|---|---|---|
| Jan 22, 4:45 PM MST | SNOW 1.2 | Battle Mountain, WY | ELEVATION 7440 FT. SWE 0.1. RATIO 12 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 1.2 | Crow Creek, WY | ELEVATION 8330 FT. SWE 0.1. RATIO 12 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 1.2 | South Brush Creek, WY | ELEVATION 8440 FT. SWE 0.1. RATIO 12 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 2.4 | Sage Creek Basin, WY | ELEVATION 7850 FT. SWE 0.2. RATIO 12 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 3 | Divide Peak, WY | ELEVATION 8880 FT. SWE 0.2. RATIO 15 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 3.6 | Windy Peak, WY | ELEVATION 7900 FT. SWE 0.3. RATIO 12 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 4.8 | Sandstone Ranger Statio, WY | ELEVATION 8150 FT. SWE 0.4. RATIO 12 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 6 | 38 Sw Douglas, WY | ELEVATION 8375 FT. SWE 0.4. RATIO 15 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 7.5 | 11 Sse Encampment, WY | ELEVATION 9820 FT. SWE 0.5. RATIO 15 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 9 | Webber Springs, WY | ELEVATION 9250 FT. SWE 0.6. RATIO 15 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 10 | Old Battle, WY | ELEVATION 10000 FT. SWE 0.5. RATIO 20 TO 1. |
| Jan 22, 4:45 PM MST | SNOW 10 | Sand Lake, WY | ELEVATION 10050 FT. SWE 0.5. RATIO 20 TO 1. |
| Jan 22, 4:45 PM MST | HEAVY SNOW 12 | North French Creek, WY | ELEVATION 10130 FT. SWE 0.6. RATIO 20 TO 1. |
| Jan 22, 4:45 PM MST | HEAVY SNOW 14 | Brooklyn Lake, WY | ELEVATION 10240 FT. SWE 0.7. RATIO 20 TO 1. |
| Jan 22, 4:45 PM MST | HEAVY SNOW 15 | 6 Sw Centennial, WY | ELEVATION 9574 FT. SWE 1.0. RATIO 15 TO 1. |
| Jan 22, 4:45 PM MST | HEAVY SNOW 15 | Little Snake River, WY | ELEVATION 8915 FT. SWE 1.0. RATIO 15 TO 1. |
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 12:00Z, 9.1 hours before the alert went out and 230 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
- 2147 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
772 WWUS45 KCYS 212105 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 205 PM MST FRI JAN 21 2011 ...HEAVY SNOW AND STRONG WINDS ARE LIKELY OVER THE SNOWY AND SIERRA MADRE RANGES LATE TONIGHT THROUGH EARLY SATURDAY NIGHT... .THE NEXT IN A LINE OF STRONG PACIFIC NORTHWEST STORM SYSTEMS WILL MOVE ACROSS THE CENTRAL ROCKIES LATE TONIGHT THROUGH EARLY SATURDAY NIGHT. THE STORM WILL PRODUCE WIDESPREAD SNOW OVER THE MOUNTAINS WHICH WILL BE HEAVY AT TIMES. ALONG WITH THE SNOW WILL BE WESTERLY WINDS GUSTING AS HIGH AS 50 MPH IN OPEN AREAS. THE WINDS WILL PRODUCE BLOWING AND DRIFTING SNOW AND HAZARDOUS TRAVEL AND OUTDOOR CONDITIONS. THE SNOW AND WINDS WILL GRADUALLY TAPER OFF SATURDAY NIGHT OVER THE MOUNTAINS. WYZ112-114-221200- /O.UPG.KCYS.WS.A.0003.110122T0900Z-110123T1200Z/ /O.NEW.KCYS.WS.W.0003.110122T0900Z-110123T0600Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 205 PM MST FRI JAN 21 2011 ...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 2 AM TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BECOME WIDESPREAD LATE THIS EVENING AND BECOME HEAVY AT TIMES AFTER 3 AM SATURDAY. THE SNOW WILL CONTINUE THROUGH EARLY SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES OF NEW SNOW ARE LIKELY BY 11 PM SATURDAY WITH LOCALLY HIGHER AMOUNTS. * WINDS/VISIBILITIES...WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH IN OPEN AREAS WILL OCCUR TONIGHT. THE WINDS WILL CREATE VISIBILITIES FREQUENTLY ONE QUARTER OF A MILE OR LESS AS WELL AS SNOW DRIFTS UP TO 5 FEET DEEP. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE HAZARDOUS DUE THE SNOW...POOR VISIBILITIES AND SNOWPACKED AND SLICK ROADS.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 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. 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
4 follow-up statements
609 WWUS45 KCYS 220358 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 858 PM MST FRI JAN 21 2011 ...HEAVY SNOW AND STRONG WINDS WILL DEVELOP OVER THE SNOWY AND SIERRA MADRE RANGES LATE TONIGHT AND CONTINUE THROUGH SATURDAY NIGHT... .THE NEXT IN A SERIES OF STRONG PACIFIC STORM SYSTEMS WILL MOVE SOUTHEAST ACROSS THE CENTRAL ROCKIES LATE TONIGHT THROUGH SATURDAY NIGHT. THIS STORM WILL PRODUCE WIDESPREAD SNOW...HEAVY AT TIMES... OVER THE MOUNTAINS. BESIDES THE SNOW...WESTERLY WINDS WILL GUST AS HIGH AS 50 MPH IN OPEN AREAS. THESE STRONG WINDS WILL PRODUCE BLOWING AND DRIFTING SNOW AND HAZARDOUS TRAVEL CONDITIONS. THE SNOW AND WINDS WILL GRADUALLY TAPER OFF SATURDAY NIGHT OVER THE MOUNTAINS. WYZ112-114-221500- /O.CON.KCYS.WS.W.0003.110122T0900Z-110123T0600Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 858 PM MST FRI JAN 21 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 11 PM MST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 11 PM MST SATURDAY. * TIMING...SNOW WILL BECOME WIDESPREAD LATE TONIGHT AND CONTINUE THROUGH SATURDAY NIGHT. THE SNOW WILL BE HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS ALONG WEST AND NORTHWEST FACING SLOPES. * WINDS/VISIBILITIES...WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS TO 55 MPH IN OPEN AREAS WILL OCCUR LATER TONIGHT AND SATURDAY. THE WINDS WILL REDUCE VISIBILITIES TO ONE QUARTER OF A MILE OR LESS AS WELL AS PRODUCE SNOW DRIFTS UP TO 5 FEET DEEP. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE HAZARDOUS DUE THE SNOW...POOR VISIBILITIES AND SNOWPACKED ROADS. 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. && $$ JAMSKI
764 WWUS45 KCYS 221039 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 339 AM MST SAT JAN 22 2011 ...HEAVY SNOW AND STRONG WINDS EXPECTED OVER THE SNOWY AND SIERRA MADRE RANGES THROUGH TONIGHT... .A QUICK MOVING STORM SYSTEM PUSHING ACROSS THE NORTHERN AND CENTRAL ROCKIES WILL PRODUCE WIDESPREAD SNOW OVER THE MOUNTAINS. BESIDES THE SNOW...WESTERLY WINDS WILL GUST AS HIGH AS 55 MPH IN OPEN AREAS. THESE STRONG WINDS WILL PRODUCE BLOWING AND DRIFTING SNOW AND HAZARDOUS TRAVEL CONDITIONS. THE SNOW AND WINDS WILL GRADUALLY TAPER OFF TONIGHT. WYZ112-114-222330- /O.CON.KCYS.WS.W.0003.000000T0000Z-110123T0600Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 339 AM MST SAT JAN 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * TIMING...WIDESPREAD MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS ALONG WEST AND NORTHWEST FACING SLOPES. * WINDS/VISIBILITIES...WESTERLY WINDS OF 30 TO 40 MPH WITH GUSTS TO 55 MPH IN OPEN AREAS AND WEST FACING RIDGES WILL OCCUR. THE WINDS WILL REDUCE VISIBILITIES TO ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE HAZARDOUS DUE THE SNOW...POOR VISIBILITIES AND SNOWPACKED ROADS. 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. && $$ TT
360 WWUS45 KCYS 222233 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 333 PM MST SAT JAN 22 2011 ...SNOW AND STRONG WINDS FOR THE SNOWY AND SIERRA MADRE RANGES THROUGH THIS EVENING... .A QUICK MOVING STORM SYSTEM WILL PUSH ACROSS WYOMING THIS EVENING...PRODUCING WIDESPREAD SNOW OVER THE MOUNTAINS. BESIDES THE SNOW...NORTHWEST WINDS WILL GUST AS HIGH AS 55 MPH IN OPEN AREAS. THESE STRONG WINDS WILL PRODUCE BLOWING AND DRIFTING SNOW AND HAZARDOUS TRAVEL CONDITIONS. THE SNOW AND WINDS WILL GRADUALLY TAPER OFF LATE TONIGHT. WYZ112-114-230600- /O.CON.KCYS.WS.W.0003.000000T0000Z-110123T0600Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 333 PM MST SAT JAN 22 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING. * TIMING...WIDESPREAD MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH THIS EVENING. * TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS ALONG NORTHWEST FACING SLOPES. * WINDS/VISIBILITIES...NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 55 MPH IN OPEN AREAS AND NORTHWEST FACING RIDGES WILL OCCUR. THE WINDS WILL REDUCE VISIBILITIES TO ONE QUARTER OF A MILE OR LESS. * IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE HAZARDOUS DUE THE SNOW...POOR VISIBILITIES AND SNOWPACKED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ RUBIN
850 WWUS45 KCYS 230540 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1040 PM MST SAT JAN 22 2011 WYZ112-114-230645- /O.EXP.KCYS.WS.W.0003.000000T0000Z-110123T0600Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 1040 PM MST SAT JAN 22 2011 ...WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING... THE WINTER STORM WARNING WILL EXPIRE AT 11 PM MST THIS EVENING. SNOW HAS TAPERED TO SCATTERED SNOW FLURRIES THIS EVENING ACROSS THE SIERRA MADRE AND SNOWY RANGES...THEREFORE WILL ALLOW THE WINTER STORM WARNING TO EXPIRE AT 11 PM TONIGHT. UP TO ONE INCH OF ADDITIONAL SNOW ACCUMULATION IS POSSIBLE BEFORE THE LIGHT SNOW FLURRIES DIMINISH AFTER MIDNIGHT. $$ TT
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 3:36 AM MST | Winter Storm Watch | CYS | Albany, Carbon | 10 hr |
| Jan 21, 9:45 AM MST | High Wind Watch | CYS | Albany, Carbon, Laramie, Platte | 4 hr |
| Jan 21, 1:43 PM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 18 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.