Alert archive / Wyoming / High Wind Warnings in 2017
High Wind Warning 24, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Sep 19, 2017, 7:26 PM MDT for Albany County, Laramie County, Platte County, Wyoming. It was in force for 5 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
- Sep 19, 2017, 7:26 PM MDT (01:26 UTC)
- Expired
- Sep 20, 2017, 12:00 AM MDT
- In force
- 5 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 01:31 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 |
|---|---|---|---|
| Sep 19, 7:30 PM MDT | NON-TSTM WND GST 58 | 8 S Chugwater, WY | BEAR CREEK WYDOT SITE. |
| Sep 19, 7:35 PM MDT | NON-TSTM WND GST 63 | 16 E Horse Creek, WY | WHITAKER WYDOT SITE. |
| Sep 19, 8:00 PM MDT | NON-TSTM WND GST 56 | 10 Sw Cheyenne, WY | WYO HILL WYDOT SITE. |
| Sep 19, 8:05 PM MDT | NON-TSTM WND GST 59 | 8 S Chugwater, WY | BEAR CREEK WYDOT SITE. |
| Sep 19, 8:05 PM MDT | NON-TSTM WND GST 67 | 16 E Horse Creek, WY | WHITAKER WYDOT SITE. |
| Sep 19, 8:20 PM MDT | NON-TSTM WND GST 53 | 10 Wsw Cheyenne, WY | MILE POST 353 WYDOT SITE. |
| Sep 19, 8:24 PM MDT | NON-TSTM WND GST 57 | Cheyenne, WY | CHEYENNE AIRPORT ASOS |
| Sep 19, 8:30 PM MDT | NON-TSTM WND GST 55 | 7 Ssw Meriden Rest Area, WY | GUN BARREL WYDOT SITE. |
| Sep 19, 9:05 PM MDT | NON-TSTM WND GST 56 | 10 Wsw Burns, WY | CWOP SITE. |
| Sep 19, 10:15 PM MDT | NON-TSTM WND DMG | Cheyenne, WY | REPORTS OF TREES AND LIMBS DOWN ALONG AND NORTH OF DELL RANGE BLVD DUE TO STRONG WINDS THIS EVENING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 1.4 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
- 4141 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 186 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
638 WWUS75 KCYS 200126 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 726 PM MDT Tue Sep 19 2017 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT TONIGHT CHEYENNE AREA NORTH TO SOUTH OF WHEATLAND... .High winds in the wake of a strong cold front will continue this evening diminishing towards late evening. Wind gusts from the west and northwest to near 60 mph along sections of Interstate 25 from the Colorado border north to just south of Wheatland and along Interstate 80 around the Cheyenne area will pose a significant hazard to those driving high profile vehicles or those pulling trailers. Winds this strong could result in the loss of control of the vehicle. WYZ106-117-118-200600- /O.NEW.KCYS.HW.W.0024.170920T0126Z-170920T0600Z/ Central Laramie Range and Southwest Platte County- South Laramie Range Foothills-Central Laramie County- Including the cities of Bordeaux, Whitaker, Federal, Horse Creek, and Cheyenne 726 PM MDT Tue Sep 19 2017 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect until midnight MDT tonight. * TIMING...Now until midnight tonight. * WINDS...50 to 60 mph from the northwest. * IMPACTS...Sudden wind gusts from the northwest could result in the loss of control of high profile vehicles or lighter weight 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. && $$
1 follow-up statement
868 WWUS75 KCYS 200552 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1152 PM MDT Tue Sep 19 2017 WYZ106-117-118-200700- /O.EXP.KCYS.HW.W.0024.000000T0000Z-170920T0600Z/ Central Laramie Range and Southwest Platte County- South Laramie Range Foothills-Central Laramie County- Including the cities of Bordeaux, Whitaker, Federal, Horse Creek, and Cheyenne 1152 PM MDT Tue Sep 19 2017 ...HIGH WIND WARNING WILL EXPIRE AT MIDNIGHT MDT TONIGHT... Wind speeds are expected to continue to slowly subside through the overnight hours. However, wind gusts around 40 MPH will remain possible through 2 AM MDT. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 10:26 AM MDT | Red Flag Warning | CYS | 9 hr | |
| Sep 20, 2:28 PM MDT | Fire Weather Watch | CYS | 16 hr |
Nearby
High Wind Warnings in Wyoming, 2017Every high wind warning in 2017
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.