Alert archive / Wyoming / High Wind Warnings in 2012
High Wind Warning 42, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Dec 7, 2012, 11:21 AM MST for 4 counties in Wyoming. It took effect at Dec 8, 2012, 5:00 AM MST. It was in force for 10 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
- Dec 7, 2012, 11:21 AM MST (18:21 UTC)
- In effect from
- Dec 8, 2012, 5:00 AM MST
- Expired
- Dec 8, 2012, 3:00 PM MST
- In force
- 10 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 18:18 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 |
|---|---|---|---|
| Dec 8, 12:00 PM MST | SNOW 2.4 | 17 Sw Encampment, WY | SANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 2.4 | 35 S Rawlins, WY | SAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 12 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 3 | 17 Ene Riverside, WY | SOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 3 | 19 Wsw Encampment, WY | DIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 3 | 6 Sw Centennial, WY | CINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 6 | 10 Wsw Encampment, WY | OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 6 | 12 Wnw Centennial, WY | NORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 6 | 5 Sw Encampment, WY | WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 7.5 | 11 Sse Encampment, WY | BLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 8 | 30 Wnw Laramie, WY | SAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:00 PM MST | SNOW 10 | 7 Nw Centennial, WY | BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 7.0 HOURS. |
| Dec 8, 12:07 PM MST | SNOW 1 | Laramie, WY | 1 INCH OF SNOW ESTIMATED BY OFF DUTY NATIONAL WEATHER SERVICE EMPLOYEE |
| Dec 8, 1:00 PM MST | NON-TSTM WND GST 55 | 1 Nnw Arlington, WY | REPORTED AT WYDOT STATION KARL |
| Dec 8, 1:05 PM MST | NON-TSTM WND GST 56 | 10 Ssw Hanna, WY | REPORTED AT WYDOT STATION WY16 |
| Dec 8, 1:10 PM MST | NON-TSTM WND GST 57 | 9 Wnw Elk Mountain, WY | REPORTED AT WYDOT STATION WY17 |
| Dec 8, 1:10 PM MST | NON-TSTM WND GST 63 | 7 Nw Elk Mountain, WY | REPORTED AT WYDOT STATION WY18 |
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, 6.4 hours before the alert went out and 278 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
- 1260 m above ground
- 0-6 km bulk shear
- 96 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
358 WWUS75 KCYS 071821 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1121 AM MST FRI DEC 7 2012 ...STRONG WINDS EXPECTED SATURDAY MORNING INTO THE AFTERNOON... .STRONG WINDS ARE EXPECTED TO DEVELOP EARLY SATURDAY MORNING AHEAD OF A STRONG COLD FRONT. A SURFACE LOW WILL MOVE ACROSS NORTHERN WYOMING INTO NORTHCENTRAL NEBRASKA WHICH WILL CREATE A STRONG PRESSURE GRADIENT ACROSS THE AREA. WYZ106-110-116-117-081100- /O.NEW.KCYS.HW.W.0042.121208T1200Z-121208T2000Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 1121 AM MST FRI DEC 7 2012 ...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 1 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 5 AM TO 1 PM MST SATURDAY. * TIMING...SATURDAY MORNING INTO THE EARLY AFTERNOON * WINDS...WEST TO NORTHWEST AT 30 TO 40 MPH WITH SOME GUSTS IN EXCESS OF 60 MPH. * IMPACTS...MOSTLY TO TRAVEL. SOME LOW VISIBILITIES ARE POSSIBLE IN WIDELY SCATTERED SNOW SHOWERS MAINLY AROUND THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ RE
3 follow-up statements
141 WWUS75 KCYS 080152 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 652 PM MST FRI DEC 7 2012 ...STRONG WINDS EXPECTED SATURDAY MORNING INTO THE AFTERNOON... .STRONG WINDS ARE EXPECTED TO DEVELOP EARLY SATURDAY MORNING AHEAD OF A STRONG COLD FRONT. A SURFACE LOW WILL MOVE ACROSS NORTHERN WYOMING INTO NORTH CENTRAL NEBRASKA WHICH WILL CREATE STRONG WESTERLY WINDS. AS THE FRONT MOVES THROUGH THE AREA...WINDS WILL SHIFT TO THE NORTHWEST AND SLOWLY DECREASE THROUGH THE AFTERNOON HOURS. WYZ104-105-109-115-081200- /O.EXB.KCYS.HW.W.0042.121208T1200Z-121208T2200Z/ FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL CARBON COUNTY-LARAMIE VALLEY- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS... SINCLAIR...HANNA...LARAMIE 652 PM MST FRI DEC 7 2012 ...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 3 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 5 AM TO 3 PM MST SATURDAY. * TIMING...SATURDAY MORNING INTO THE MID AFTERNOON * WINDS...WEST TO NORTHWEST AT 30 TO 40 MPH WITH SOME GUSTS IN EXCESS OF 65 MPH. * IMPACTS...MOSTLY TO TRAVEL. SOME LOW VISIBILITIES ARE POSSIBLE IN WIDELY SCATTERED SNOW SHOWERS MAINLY AROUND THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$ WYZ106-110-116-117-081200- /O.EXT.KCYS.HW.W.0042.121208T1200Z-121208T2200Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 652 PM MST FRI DEC 7 2012 ...HIGH WIND WARNING NOW IN EFFECT FROM 5 AM TO 3 PM MST SATURDAY... THE HIGH WIND WARNING IS NOW IN EFFECT FROM 5 AM TO 3 PM MST SATURDAY. * TIMING...SATURDAY MORNING INTO THE EARLY AFTERNOON * WINDS...WEST TO NORTHWEST AT 30 TO 40 MPH WITH SOME GUSTS IN EXCESS OF 65 MPH. * IMPACTS...MOSTLY TO TRAVEL. SOME LOW VISIBILITIES ARE POSSIBLE IN WIDELY SCATTERED SNOW SHOWERS MAINLY AROUND THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$
513 WWUS75 KCYS 081139 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 439 AM MST SAT DEC 8 2012 ...STRONG WINDS TO DEVELOP THIS MORNING AND PERSIST INTO MID- AFTERNOON... .STRONG WINDS WILL DEVELOP THIS MORNING AHEAD OF A STRONG COLD FRONT. A SURFACE LOW WILL MOVE ACROSS NORTHERN WYOMING INTO NORTH CENTRAL NEBRASKA WHICH WILL CREATE STRONG WESTERLY WINDS. AS THE FRONT MOVES THROUGH THE AREA...WINDS WILL SHIFT TO THE NORTHWEST AND SLOWLY DECREASE LATE THIS AFTERNOON. THESE STRONG WINDS WILL REDUCE VISIBILITIES IN AREAS OF BLOWING AND DRIFTING SNOW LATER TODAY. WYZ104>106-109-110-115>117-082200- /O.CON.KCYS.HW.W.0042.121208T1200Z-121208T2200Z/ FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY- SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX... RAWLINS...SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 439 AM MST SAT DEC 8 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS AFTERNOON... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM MST THIS AFTERNOON. * TIMING...THROUGH MID-AFTERNOON TODAY. * WINDS...WEST AT 30 TO 40 MPH WITH SOME GUSTS IN EXCESS OF 65 MPH. * IMPACTS...THE STRONG WINDS AND SUDDEN GUSTS WILL MAKE TRAVEL HAZARDOUS IN THE WARNED AREAS. THOSE WITH HIGH PROFILE OR LIGHTWEIGHT VEHICLES SHOULD BE ESPECIALLY CAUTIOUS WHILE TRAVELING THIS MORNING. VISIBILITIES WILL BE REDUCED IN AREAS OF BLOWING AND DRIFTING SNOW TODAY. MOTORISTS ARE ENCOURAGED TO EXERCISE CAUTION WHILE TRAVELING TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS...DIAL 5 1 1. && $$ HAHN
642 WWUS75 KCYS 082155 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 255 PM MST SAT DEC 8 2012 WYZ104>106-109-110-115>117-082300- /O.EXP.KCYS.HW.W.0042.000000T0000Z-121208T2200Z/ FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY- SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...BORDEAUX... RAWLINS...SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 255 PM MST SAT DEC 8 2012 ...HIGH WIND WARNING WILL EXPIRE AT 3 PM MST THIS AFTERNOON... THE HIGH WIND WARNING WILL EXPIRE AT 3 PM MST THIS AFTERNOON. WINDS ARE STEADILY ON THE DECREASE THIS AFTERNOON AND WILL CONTINUE TO EASE THROUGH THE EVENING. WILL LET THE WARNING EXPIRE AS A RESULT. HOWEVER...WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS AS HIGH AS 40 MPH WILL CONTINUE THROUGH SUNSET IN THE ARLINGTON AREA. THESE WINDS WILL PRODUCE BLOWING SNOW CONDITIONS WITH VISIBILITIES DROPPING TO ONE HALF MILE OR LESS AT TIMES. $$ RJM
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 7, 2:49 PM MST | Winter Weather Advisory | CYS | Albany, Carbon | 30 hr |
Nearby
High Wind Warnings in Wyoming, 2012Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.