Alert archive / Wyoming / High Wind Watches in 2015
High Wind Watch 21, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Dec 16, 2015, 2:45 PM MST for 4 counties in Wyoming. It took effect at Dec 17, 2015, 5:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 16, 2015, 2:45 PM MST (21:45 UTC)
- In effect from
- Dec 17, 2015, 5:00 PM MST
- Expired
- Dec 17, 2015, 2:22 AM MST
- In force
- 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 21:44 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
Riverton, WY (KRIW), launched 12:00Z, 9.8 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
- 1208 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
604 WWUS75 KCYS 162145 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 245 PM MST WED DEC 16 2015 ...STRONG WINDS POSSIBLE FOR THE WIND PRONE AREAS OF SOUTHEAST WYOMING THURSDAY EVENING THROUGH FRIDAY... .HIGH PRESSURE WILL BUILD IN FROM THE WEST ON THURSDAY AND WILL RAPIDLY STRENGTHEN THE SURFACE PRESSURE GRADIENT ACROSS SOUTHEAST WYOMING. STRONG WINDS WILL DEVELOP OVER THE ROCKIES AS WELL...AND THE COMBINATION OF THESE FEATURES COULD PRODUCE VERY STRONG WINDS IN THE WIND PRONE AREAS OF SOUTHEAST WYOMING THURSDAY EVENING THROUGH FRIDAY AFTERNOON. THIS INCLUDES INTERSTATE 80 BETWEEN ELK MOUNTAIN AND CHEYENNE...AND INTERSTATE 25 BETWEEN WHITAKER AND WHEATLAND. AREAS OF BLOWING SNOW DUE TO THE STRONG WINDS AND FRESH SNOWPACK MAY SIGNIFICANTLY REDUCE VISIBILITIES AND PRODUCE SLICK ROADS. WYZ106-110-116-117-171400- /O.NEW.KCYS.HW.A.0021.151218T0000Z-151218T2200Z/ 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 245 PM MST WED DEC 16 2015 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY AFTERNOON. * TIMING...WINDS WILL INCREASE THURSDAY EVENING AND COULD BECOME STRONG OVERNIGHT. STRONG WINDS ARE POSSIBLE THROUGH EARLY FRIDAY AFTERNOON. * WINDS...WEST TO SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS 60 TO 70 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL BE IMPACTED...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADS. SIGNIFICANT RISK FOR BLOW OFFS AND BLOW OVERS. AREAS OF BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITIES AND PRODUCE SLICK ROADS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ WYZ115-171400- /O.NEW.KCYS.HW.A.0021.151218T0600Z-151218T2200Z/ LARAMIE VALLEY- INCLUDING THE CITY OF...LARAMIE 245 PM MST WED DEC 16 2015 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON. * TIMING...WINDS WILL INCREASE LATE THURSDAY NIGHT AND COULD BECOME STRONG THROUGH FRIDAY MORNING. STRONG WINDS ARE POSSIBLE THROUGH EARLY FRIDAY AFTERNOON. * WINDS...WEST WINDS 35 TO 45 MPH WITH GUSTS TO 60 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL BE IMPACTED...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADS. SIGNIFICANT RISK FOR BLOW OFFS AND BLOW OVERS. AREAS OF BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITIES AND PRODUCE SLICK ROADS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
1 follow-up statement
290 WWUS75 KCYS 170922 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 222 AM MST THU DEC 17 2015 ...VERY STRONG WINDS FOR THE WIND PRONE AREAS OF SOUTHEAST WYOMING THIS EVENING THROUGH FRIDAY AFTERNOON... .THE SURFACE PRESSURE GRADIENT WILL RAPIDLY INCREASE ACROSS SOUTHEAST WYOMING THIS EVENING INTO TONIGHT. VERY STRONG WINDS IN THE WIND PRONE AREAS OF SOUTHEAST WYOMING WILL DEVELOP AS A RESULT. THIS INCLUDES INTERSTATE 80 BETWEEN ELK MOUNTAIN AND CHEYENNE...AND INTERSTATE 25 BETWEEN WHITAKER AND WHEATLAND. AREAS OF BLOWING SNOW DUE TO THE STRONG WINDS AND FRESH SNOWPACK MAY SIGNIFICANTLY REDUCE VISIBILITIES AND PRODUCE SLICK ROADS. WYZ106-110-116-117-171730- /O.UPG.KCYS.HW.A.0021.151218T0000Z-151218T2200Z/ /O.NEW.KCYS.HW.W.0027.151218T0000Z-151218T2200Z/ 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 222 AM MST THU DEC 17 2015 ...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 3 PM MST FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 3 PM MST FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...WINDS WILL INCREASE THIS EVENING AND BECOME VERY STRONG OVERNIGHT AND CONTINUE INTO EARLY FRIDAY AFTERNOON. * WINDS...WEST TO SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS TO 65 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL BE IMPACTED...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADS. SIGNIFICANT RISK FOR BLOW OFFS AND BLOW OVERS. AREAS OF BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITIES AND PRODUCE SLICK ROADS AS WELL. 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. && $$ WYZ115-171730- /O.UPG.KCYS.HW.A.0021.151218T0600Z-151218T2200Z/ /O.NEW.KCYS.HW.W.0027.151218T0600Z-151218T2200Z/ LARAMIE VALLEY- INCLUDING THE CITY OF...LARAMIE 222 AM MST THU DEC 17 2015 ...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 3 PM MST FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 3 PM MST FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...WINDS WILL INCREASE THIS EVENING AND BECOME VERY STRONG OVERNIGHT AND CONTINUE INTO EARLY FRIDAY AFTERNOON. * WINDS...WEST WINDS 35 TO 45 MPH WITH GUSTS TO 60 MPH. * IMPACTS...MAINLY TO TRANSPORTATION. LIGHT WEIGHT AND HIGH PROFILE VEHICLES WILL BE IMPACTED...ESPECIALLY ON NORTH TO SOUTH ORIENTED ROADS. SIGNIFICANT RISK FOR BLOW OFFS AND BLOW OVERS. AREAS OF BLOWING SNOW MAY SIGNIFICANTLY REDUCE VISIBILITIES AND PRODUCE SLICK ROADS AS WELL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. && $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 16, 3:09 AM MST | Winter Weather Advisory | CYS | Albany, Carbon, Laramie | 29 hr |
Nearby
High Wind Watches in Wyoming, 2015Every high wind watch in 2015
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.