Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Jan 4, 2021, 12:53 AM MST for 4 counties in Wyoming. It was in force for 12 hr. 3 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 4, 2021, 12:53 AM MST (07:53 UTC)
- Expired
- Jan 4, 2021, 1:00 PM MST
- In force
- 12 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 07:54 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 4, 1:02 AM MST | HIGH SUST WINDS 41 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Jan 4, 9:46 AM MST | NON-TSTM WND GST 65 | 1 Sse Bordeaux, WY | MESONET STATION KBRX 1.4 S BORDEAUX (WYDOT). |
| Jan 4, 10:44 AM MST | NON-TSTM WND GST 62 | 1 Sse Bordeaux, WY | MESONET STATION KBRX 1.4 S BORDEAUX (WYDOT). |
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, 7.9 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
- 1964 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
264 WWUS75 KCYS 040753 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1253 AM MST Mon Jan 4 2021 WYZ110-041800- /O.NEW.KCYS.HW.W.0002.210104T0753Z-210104T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1253 AM MST Mon Jan 4 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...West to southwest winds 35 to 50 mph with gusts up to 60 MPH likely. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Now until 11 AM MST this morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. In addition, patchy blowing snow could lead to reduced visibilities and slick spots. 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. && $$ CLH
4 follow-up statements
607 WWUS75 KCYS 041016 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 316 AM MST Mon Jan 4 2021 WYZ110-050015- /O.NEW.KCYS.HW.A.0003.210105T0000Z-210106T0600Z/ /O.CON.KCYS.HW.W.0002.000000T0000Z-210104T1800Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 316 AM MST Mon Jan 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... ...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY EVENING... * WHAT...West to southwest winds 35 to 50 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...High Wind Warning until 11 AM MST this morning. High Wind Watch from 5 PM MST this evening until 11 PM MST Tuesday. There may be a brief lull in higher wind speeds this afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. In addition, areas of blowing snow could lead to reduced visibilities and slick spots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ106-116-117-050015- /O.NEW.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/ 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 316 AM MST Mon Jan 4 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Bordeaux along Interstate 25 between Chugwater and Wheatland, South Laramie Range and adjacent foothills including Interstate 80 between Laramie and Cheyenne, Interstate 25 near Wyoming Hill and Whitaker. * WHEN...2 AM MST until 11 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. 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. && $$ WYZ118-050015- /O.NEW.KCYS.HW.A.0003.210105T1500Z-210106T0300Z/ Central Laramie County- Including the city of Cheyenne 316 AM MST Mon Jan 4 2021 ...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Central Laramie County including the city of Cheyenne. * WHEN...8 AM MST until 8 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ CLH
259 WWUS75 KCYS 041652 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 952 AM MST Mon Jan 4 2021 WYZ106-050000- /O.EXB.KCYS.HW.W.0002.000000T0000Z-210104T2000Z/ /O.CON.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 952 AM MST Mon Jan 4 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 1 PM MST THIS AFTERNOON... ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 65 mph. For the High Wind Watch, west winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...Central Laramie Range and Southwest Platte County County. * WHEN...For the High Wind Warning, until 1 PM MST this afternoon. For the High Wind Watch, from late tonight through Tuesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. 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. && $$ WYZ110-050000- /O.CON.KCYS.HW.W.0002.000000T0000Z-210104T1800Z/ /O.CON.KCYS.HW.A.0003.210105T0000Z-210106T0600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 952 AM MST Mon Jan 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON THROUGH TUESDAY EVENING... * WHAT...West to southwest winds 35 to 50 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...High Wind Warning until 11 AM MST this morning. High Wind Watch from 5 PM MST this evening until 11 PM MST Tuesday. There may be a brief lull in higher wind speeds this afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. In addition, areas of blowing snow could lead to reduced visibilities and slick spots. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ116-117-050000- /O.CON.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 952 AM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...South Laramie Range and adjacent foothills including Interstate 80 between Laramie and Cheyenne, Interstate 25 near Wyoming Hill and Whitaker. * WHEN...2 AM MST until 11 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. 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. && $$ WYZ118-050000- /O.CON.KCYS.HW.A.0003.210105T1500Z-210106T0300Z/ Central Laramie County- Including the city of Cheyenne 952 AM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Central Laramie County including the city of Cheyenne. * WHEN...8 AM MST until 8 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ Rubin
693 WWUS75 KCYS 041735 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1035 AM MST Mon Jan 4 2021 WYZ110-050000- /O.EXP.KCYS.HW.W.0002.000000T0000Z-210104T1800Z/ /O.CON.KCYS.HW.A.0003.210105T0000Z-210106T0600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1035 AM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON THROUGH TUESDAY EVENING... ...HIGH WIND WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...High Wind Warning until 11 AM MST this morning. High Wind Watch from 5 PM MST this evening until 11 PM MST Tuesday. There may be a brief lull in higher wind speeds this afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. 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. && $$ WYZ106-050000- /O.CON.KCYS.HW.W.0002.000000T0000Z-210104T2000Z/ /O.CON.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 1035 AM MST Mon Jan 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM MST THIS AFTERNOON... ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 65 mph. For the High Wind Watch, west winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...Central Laramie Range and Southwest Platte County County. * WHEN...For the High Wind Warning, until 1 PM MST this afternoon. For the High Wind Watch, from late tonight through Tuesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ116-117-050000- /O.CON.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1035 AM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...South Laramie Range and adjacent foothills including Interstate 80 between Laramie and Cheyenne, Interstate 25 near Wyoming Hill and Whitaker. * WHEN...2 AM MST until 11 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. 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. && $$ WYZ118-050000- /O.CON.KCYS.HW.A.0003.210105T1500Z-210106T0300Z/ Central Laramie County- Including the city of Cheyenne 1035 AM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Central Laramie County including the city of Cheyenne. * WHEN...8 AM MST until 8 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ Rubin
760 WWUS75 KCYS 041946 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1246 PM MST Mon Jan 4 2021 WYZ106-050400- /O.EXP.KCYS.HW.W.0002.000000T0000Z-210104T2000Z/ /O.CON.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 1246 PM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... ...HIGH WIND WARNING WILL EXPIRE AT 1 PM MST THIS AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...Central Laramie Range and Southwest Platte County County. * WHEN...For the High Wind Watch, from late tonight through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. 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. && $$ WYZ110-050400- /O.CON.KCYS.HW.A.0003.210105T0000Z-210106T0600Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1246 PM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 PM MST THIS AFTERNOON THROUGH TUESDAY EVENING... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...From 5 PM MST this evening until 11 PM MST Tuesday. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ WYZ116-117-050400- /O.CON.KCYS.HW.A.0003.210105T0900Z-210106T0600Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1246 PM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...South Laramie Range and adjacent foothills including Interstate 80 between Laramie and Cheyenne, Interstate 25 near Wyoming Hill and Whitaker. * WHEN...2 AM MST until 11 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. 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. && $$ WYZ118-050400- /O.CON.KCYS.HW.A.0003.210105T1500Z-210106T0300Z/ Central Laramie County- Including the city of Cheyenne 1246 PM MST Mon Jan 4 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Central Laramie County including the city of Cheyenne. * WHEN...8 AM MST until 8 PM MST Tuesday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ Rubin
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 3:16 AM MST | High Wind Watch | CYS | Albany, Carbon, Laramie, Platte | 16 hr |
| Jan 4, 3:43 AM MST | Winter Weather Advisory | CYS | Albany, Carbon | 9 hr |
| Jan 4, 1:09 PM MST | Winter Storm Warning | CYS | Albany, Carbon | 28 hr |
| Jan 4, 1:13 PM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 30 hr |
Nearby
High Wind Warnings in Wyoming, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.