Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 46, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Dec 5, 2021, 1:57 PM MST for 4 counties in Wyoming. It took effect at Dec 6, 2021, 11:00 AM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Dec 5, 2021, 1:57 PM MST (20:57 UTC)
- In effect from
- Dec 6, 2021, 11:00 AM MST
- Expired
- Dec 6, 2021, 2:07 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 21:02 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, 9.0 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
- 2315 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
532 WWUS75 KCYS 052057 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 157 PM MST Sun Dec 5 2021 WYZ104-105-061200- /O.CAN.KCYS.HW.W.0052.000000T0000Z-211205T2100Z/ /O.NEW.KCYS.HW.A.0046.211206T1800Z-211207T0300Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Including the cities of Seminoe Dam, Medicine Bow, and Shirley Basin 157 PM MST Sun Dec 5 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... ...HIGH WIND WARNING IS CANCELLED... * WHAT...West to southwest winds 30 to 40 MPH with gusts up to 60 MPH possible. * WHERE...Northern Carbon County including the Ferris and Seminoe Mountains, Muddy Gap and Shirley Basin. * WHEN...Winds decreasing late this afternoon. Strong winds expected again from 11 AM MST until 8 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ117-061200- /O.CAN.KCYS.HW.W.0052.000000T0000Z-211205T2100Z/ /O.NEW.KCYS.HW.A.0046.211206T2100Z-211207T0600Z/ South Laramie Range Foothills- Including the cities of Whitaker, Federal, and Horse Creek 157 PM MST Sun Dec 5 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... ...HIGH WIND WARNING IS CANCELLED... * WHAT...West to southwest winds 35 to 45 MPH with gusts up to 65 MPH Possible. * WHERE...South Laramie Range Foothills including Interstate 80 between Laramie and Cheyenne. * WHEN...Winds decreasing late this afternoon. Strong winds expected again from 2 PM MST until 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ110-061200- /O.NEW.KCYS.HW.W.0053.211206T1200Z-211207T0600Z/ /O.EXT.KCYS.HW.W.0052.000000T0000Z-211206T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 157 PM MST Sun Dec 5 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 11 PM MST MONDAY... * WHAT...West to southwest winds 35 to 50 MPH with gusts up to 70 MPH possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Strong winds continuing until 5 PM MST this evening. A lull is expected this evening and overnight with strong winds expected again from 5 AM MST until 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$ WYZ116-061200- /O.NEW.KCYS.HW.A.0046.211206T2100Z-211207T0600Z/ /O.EXT.KCYS.HW.W.0052.000000T0000Z-211206T0000Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 157 PM MST Sun Dec 5 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...West to southwest winds 35 to 50 MPH with gusts up to 70 MPH possible. * WHERE...South Laramie Range including the Interstate 80 Summit between Laramie and Cheyenne. * WHEN...Strong winds continuing until 5 PM MST this evening. A lull is expected this evening and overnight with strong winds expected again from 2 PM MST until 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ109-115-061200- /O.NEW.KCYS.HW.A.0046.211206T1800Z-211207T0300Z/ /O.EXT.KCYS.HW.W.0052.000000T0000Z-211206T0000Z/ Central Carbon County-Laramie Valley- Including the cities of Rawlins, Laramie, and Bosler 157 PM MST Sun Dec 5 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... ...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...West to southwest winds 35 to 50 MPH with gusts up to 70 MPH possible. * WHERE...Central Carbon County and Laramie Valley including the cities of Rawlins and Laramie. * WHEN...Strong winds continuing until 5 PM MST this evening. A lull is expected this evening and overnight with strong winds expected again from 11 AM MST until 8 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. 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. && $$ WYZ106-061200- /O.NEW.KCYS.HW.A.0046.211206T2100Z-211207T0600Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 157 PM MST Sun Dec 5 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Bordeaux along Interstate 25 between Chugwater and Wheatland. * WHEN...2 PM MST until 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ CLH
3 follow-up statements
627 WWUS75 KCYS 052341 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 441 PM MST Sun Dec 5 2021 WYZ110-060745- /O.EXP.KCYS.HW.W.0052.000000T0000Z-211206T0000Z/ /O.CON.KCYS.HW.W.0053.211206T1200Z-211207T0600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 441 PM MST Sun Dec 5 2021 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 11 PM MST MONDAY... The High Wind Warning will expire at 5 PM this evening. Strong gusty winds over 70 mph have ended across the northern Snowy Range Foothills as a cold front continues to push south. However, winds will quickly increase once again before sunrise Monday with gusts over 60 MPH possible Monday morning. 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. && $$ WYZ116-060745- /O.EXP.KCYS.HW.W.0052.000000T0000Z-211206T0000Z/ /O.CON.KCYS.HW.A.0046.211206T2100Z-211207T0600Z/ South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 441 PM MST Sun Dec 5 2021 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... The High Wind Warning will expire at 5 PM this evening. Strong gusty winds over 60 mph have ended as a cold front continues to push south into Colorado. However, winds may increase once again Monday afternoon with gusts over 60 MPH possible Monday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ WYZ109-115-060745- /O.EXP.KCYS.HW.W.0052.000000T0000Z-211206T0000Z/ /O.CON.KCYS.HW.A.0046.211206T1800Z-211207T0300Z/ Central Carbon County-Laramie Valley- Including the cities of Rawlins, Laramie, and Bosler 441 PM MST Sun Dec 5 2021 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... The High Wind Warning will expire at 5 PM this evening. Strong gusty winds over 60 mph have ended as a cold front continues to push south into Colorado. However, the lighter winds will be short-lived. Winds will increase rapidly late Monday morning with gusts over 60 MPH possible Monday afternoon. 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. && $$ WYZ104-105-060745- /O.CON.KCYS.HW.A.0046.211206T1800Z-211207T0300Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Including the cities of Seminoe Dam, Medicine Bow, and Shirley Basin 441 PM MST Sun Dec 5 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...West to southwest winds 30 to 40 MPH with gusts up to 60 MPH possible. * WHERE...Northern Carbon County including the Ferris and Seminoe Mountains, Muddy Gap and Shirley Basin. * WHEN...Winds decreasing late this afternoon. Strong winds expected again from 11 AM MST until 8 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ106-117-060745- /O.CON.KCYS.HW.A.0046.211206T2100Z-211207T0600Z/ Central Laramie Range and Southwest Platte County- South Laramie Range Foothills- Including the cities of Bordeaux, Whitaker, Federal, and Horse Creek 441 PM MST Sun Dec 5 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...West to southwest winds 35 to 45 MPH with gusts up to 65 MPH Possible. * WHERE...South Laramie Range Foothills including Interstate 80 between Laramie and Cheyenne. * WHEN...Winds decreasing late this afternoon. Strong winds expected again from 2 PM MST until 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
231 WWUS75 KCYS 060117 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 617 PM MST Sun Dec 5 2021 WYZ110-061200- /O.CON.KCYS.HW.W.0053.211206T1200Z-211207T0600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 617 PM MST Sun Dec 5 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 11 PM MST MONDAY... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills. * WHEN...From 5 AM to 11 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ104-105-109-115-061200- /O.CON.KCYS.HW.A.0046.211206T1800Z-211207T0300Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-Laramie Valley- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Laramie, and Bosler 617 PM MST Sun Dec 5 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Shirley Basin, Ferris/Seminoe/Shirley Mountains, Central Carbon County and Laramie Valley. * WHEN...From Monday morning through Monday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ106-116-117-061200- /O.CON.KCYS.HW.A.0046.211206T2100Z-211207T0600Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 617 PM MST Sun Dec 5 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...South Laramie Range, South Laramie Range Foothills and Central Laramie Range and Southwest Platte County. * WHEN...From Monday afternoon through Monday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ T
891 WWUS75 KCYS 060907 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 207 AM MST Mon Dec 6 2021 WYZ104-105-109-115-061715- /O.UPG.KCYS.HW.A.0046.211206T1800Z-211207T0300Z/ /O.EXB.KCYS.HW.W.0053.211206T1800Z-211207T0300Z/ Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-Laramie Valley- Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin, Rawlins, Laramie, and Bosler 207 AM MST Mon Dec 6 2021 ...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Ferris/Seminoe/Shirley Mountains, Shirley Basin, Central Carbon County and Laramie Valley. * WHEN...From 11 AM this morning to 8 PM MST this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ106-116-117-061715- /O.UPG.KCYS.HW.A.0046.211206T2100Z-211207T0600Z/ /O.EXB.KCYS.HW.W.0053.211206T2100Z-211207T0600Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 207 AM MST Mon Dec 6 2021 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM MST THIS EVENING... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Central Laramie Range and Southwest Platte County, South Laramie Range and South Laramie Range Foothills. * WHEN...From 2 PM this afternoon to 11 PM MST this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ110-061715- /O.CON.KCYS.HW.W.0053.211206T1200Z-211207T0600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 207 AM MST Mon Dec 6 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 11 PM MST THIS EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills. * WHEN...From 5 AM early this morning to 11 PM MST this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 5, 1:57 PM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 41 hr |
Nearby
High Wind Watches in Wyoming, 2021Every high wind watch in 2021
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.