Alert archive / Wyoming / High Wind Warnings in 2018
High Wind Warning 35, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Aug 27, 2018, 1:44 AM MDT for 4 counties in Wyoming. It took effect at Aug 27, 2018, 9:00 AM MDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 27, 2018, 1:44 AM MDT (07:44 UTC)
- In effect from
- Aug 27, 2018, 9:00 AM MDT
- Expired
- Aug 27, 2018, 6:00 PM MDT
- In force
- 9 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 07:44 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 00:00Z, 7.7 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
- 2 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 3637 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
360 WWUS75 KCYS 270744 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 144 AM MDT Mon Aug 27 2018 ...HIGH WIND WARNING FOR THE ARLINGTON AND BORDEAUX AREAS IN SOUTHEAST WYOMING... WYZ106-110-280000- /O.NEW.KCYS.HW.W.0035.180827T1500Z-180828T0000Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 144 AM MDT Mon Aug 27 2018 ...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT THIS EVENING... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect from 9 AM this morning to 6 PM MDT this evening. * TIMING...9AM through 6 PM today. * WINDS...West to southwest winds 35 to 45 mph sustained with gusts to 65 mph. * IMPACTS...Mainly to transportation. Those towing camper trailers, driving empty or light load semi trucks or those driving light weight vehicles risk blowoff or blowovers in these high winds. 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. && $$
2 follow-up statements
269 WWUS75 KCYS 271932 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 132 PM MDT Mon Aug 27 2018 WYZ106-272045- /O.CAN.KCYS.HW.W.0035.000000T0000Z-180828T0000Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 132 PM MDT Mon Aug 27 2018 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Cheyenne has cancelled the High Wind Warning. Winds have started to shift into the northwest near a surface cold front. Strong wind gusts over 55 mph are no longer expected. $$ WYZ110-280000- /O.CON.KCYS.HW.W.0035.000000T0000Z-180828T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 132 PM MDT Mon Aug 27 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...9AM through 6 PM today. * WINDS...West to southwest winds 30 to 40 mph sustained with brief gusts up to 60 mph. * IMPACTS...Mainly to transportation. Those towing camper trailers, driving empty or light load semi trucks or those driving light weight vehicles risk blowoff or blowovers in these high winds. 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. && $$
651 WWUS75 KCYS 272355 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 555 PM MDT Mon Aug 27 2018 ...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT... WYZ110-280100- /O.EXP.KCYS.HW.W.0035.000000T0000Z-180828T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 555 PM MDT Mon Aug 27 2018 ...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING... The National Weather Service in Cheyenne will let the High Wind Warning expire at 6 PM MDT. Winds have shifted into a northwest pattern and wind gusts in excess of 55 mph are no longer expected. $$ WM
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:58 PM MDT | Red Flag Warning | CYS | 22 hr |
Nearby
High Wind Warnings in Wyoming, 2018Every high wind warning in 2018
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.