Alert archive / Wyoming / High Wind Warnings in 2020
High Wind Warning 13, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Feb 7, 2020, 6:09 PM MST for Albany County, Laramie County, Platte County, Wyoming. It took effect at Feb 8, 2020, 5:00 AM MST. It was in force for 12 hr. 10 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
- Feb 7, 2020, 6:09 PM MST (01:09 UTC)
- In effect from
- Feb 8, 2020, 5:00 AM MST
- Expired
- Feb 8, 2020, 5:00 PM MST
- In force
- 12 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 66 km from the middle of the area, began a volume at 01:09 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 |
|---|---|---|---|
| Feb 8, 7:00 AM MST | SNOW 0.5 | 1 N Laramie, WY | COCORAHS STATION WY-AB-177 LARAMIE 0.8 N. |
| Feb 8, 7:00 AM MST | SNOW 0.5 | 2 N Laramie, WY | COCORAHS STATION WY-AB-45 LARAMIE 1.7 N. |
| Feb 8, 7:00 AM MST | SNOW 1 | 2 Ene Laramie, WY | COCORAHS STATION WY-AB-138 LARAMIE 1.8 ENE. |
| Feb 8, 7:00 AM MST | SNOW 1.2 | 3 Ese Laramie, WY | COCORAHS STATION WY-AB-98 LARAMIE 3.3 ESE. |
| Feb 8, 7:00 AM MST | SNOW 2 | 2 Ese Laramie, WY | COCORAHS STATION WY-AB-171 LARAMIE 2.5 ESE. |
| Feb 8, 7:00 AM MST | SNOW 2 | 3 Ese Buford, WY | CO-OP OBSERVER STATION BFDW4 BUFORD 4 SE. |
| Feb 8, 7:00 AM MST | SNOW 3.4 | 1 Nw Centennial, WY | COCORAHS STATION WY-AB-108 CENTENNIAL 1.1 NNE. |
| Feb 8, 11:00 AM MST | HEAVY SNOW 40 | Ene Nash Fork Campgroun, WY | BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 2.0 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 48 HOURS. |
| Feb 8, 11:02 AM MST | NON-TSTM WND GST 60 | 8 S Sibley Peak, WY | WY1 MESONET SITE REPORTED GUST OF 59.7 MPH AT 11:02. |
| Feb 8, 11:44 AM MST | NON-TSTM WND GST 59 | 1 Sse Bordeaux, WY | BORDEAUX MESONET SITE WIND GUST 59MPH, SUSTAINED 45MPH |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 1.2 hours before the alert went out and 259 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
- 817 m above ground
- 0-6 km bulk shear
- 119 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
313 WWUS75 KCYS 080109 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 609 PM MST Fri Feb 7 2020 WYZ106-117-081200- /O.NEW.KCYS.HW.W.0013.200208T1200Z-200209T0000Z/ Central Laramie Range and Southwest Platte County- South Laramie Range Foothills- Including the cities of Bordeaux, Whitaker, Federal, and Horse Creek 609 PM MST Fri Feb 7 2020 ...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 5 PM MST SATURDAY... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. Areas of blowing snow that could reduce visibilities under a half mile at times. * WHERE...Central Laramie Range and Southwest Platte County and South Laramie Range Foothills Counties. * WHEN...From 5 AM to 5 PM MST Saturday. * IMPACTS...Mainly to transportation. Hazardous travel conditions with blowoff and or blowover risks High to Extreme. Areas of blowing and drifting snow likely to produce low visibility and slick roads. Travel will be difficult especially for lightweight, high profile vehicles and campers. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$
3 follow-up statements
453 WWUS75 KCYS 080921 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 221 AM MST Sat Feb 8 2020 WYZ106-117-082300- /O.CON.KCYS.HW.W.0013.200208T1200Z-200209T0000Z/ Central Laramie Range and Southwest Platte County- South Laramie Range Foothills- Including the cities of Bordeaux, Whitaker, Federal, and Horse Creek 221 AM MST Sat Feb 8 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. Areas of blowing snow that could reduce visibilities under a half mile at times. * WHERE...Central Laramie Range and Southwest Platte County and South Laramie Range Foothills Counties. * WHEN...From 5 AM to 5 PM MST Saturday. * IMPACTS...Mainly to transportation. Hazardous travel conditions with blowoff and or blowover risks High to Extreme. Areas of blowing and drifting snow likely to produce low visibility and slick roads. Travel will be difficult especially for lightweight, high profile vehicles and campers. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
987 WWUS75 KCYS 082029 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 129 PM MST Sat Feb 8 2020 WYZ117-082130- /O.CAN.KCYS.HW.W.0013.000000T0000Z-200209T0000Z/ South Laramie Range Foothills- Including the cities of Whitaker, Federal, and Horse Creek 129 PM MST Sat Feb 8 2020 ...HIGH WIND WARNING IS CANCELLED... Sustained west to southwest winds 25 to 35 mph with gusts to 45 mph will continue this afternoon for the South Laramie Range Foothills. $$ WYZ106-090000- /O.CON.KCYS.HW.W.0013.000000T0000Z-200209T0000Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 129 PM MST Sat Feb 8 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West to southwest winds 30 to 40 mph with occasional gusts up to 60 mph. * WHERE...Central Laramie Range and Southwest Platte County County including Bordeaux. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Mainly to transportation. There will be a blow over risk for lightweight, high profile vehicles including camping and tractor trailers. In addition, patchy blowing snow may result in brief periods of lower visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
696 WWUS75 KCYS 082351 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 451 PM MST Sat Feb 8 2020 WYZ106-090100- /O.EXP.KCYS.HW.W.0013.000000T0000Z-200209T0000Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 451 PM MST Sat Feb 8 2020 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... Periodic gusty winds into the upper 40 and low 50 mph range may linger for the next hour or so as a snowband moves across the zone in the next hour. $$ WM
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 7, 6:05 PM MST | Blizzard Warning | CYS | Albany, Carbon, Laramie | 14 hr |
| Feb 8, 8:14 AM MST | Winter Storm Warning | CYS | Albany, Carbon | 3 hr |
| Feb 8, 4:30 PM MST | Snow Squall Warning | CYS | Albany, Carbon, Laramie, Platte | 45 min |
Nearby
High Wind Warnings in Wyoming, 2020Every high wind warning in 2020
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.