Alert archive / Wyoming / High Wind Warnings in 2017
High Wind Warning 40, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Dec 5, 2017, 4:17 AM MST for 4 counties in Wyoming. It was in force for 10 hr. 26 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
- Dec 5, 2017, 4:17 AM MST (11:17 UTC)
- Expired
- Dec 5, 2017, 1:52 PM MST
- In force
- 10 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 11:19 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 |
|---|---|---|---|
| Dec 5, 4:25 AM MST | HIGH SUST WINDS 46 | 7 Nw Elk Mountain, WY | HALLECK RIDGE WYDOT SITE. SUSTAINED 40+ MPH FOR PAST TWO HOURS. |
| Dec 5, 4:26 AM MST | NON-TSTM WND GST 59 | Arlington, WY | SUSTAINED 42 MPH. |
| Dec 5, 4:51 AM MST | NON-TSTM WND GST 59 | Arlington, WY | SUSTAINED 49 MPH. |
| Dec 5, 5:05 AM MST | NON-TSTM WND GST 48 | 3 Nw Arlington, WY | |
| Dec 5, 5:05 AM MST | NON-TSTM WND GST 53 | 16 Wsw Cheyenne, WY | |
| Dec 5, 5:08 AM MST | NON-TSTM WND GST 59 | Arlington, WY | |
| Dec 5, 5:10 AM MST | NON-TSTM WND GST 53 | 23 W Cheyenne, WY | |
| Dec 5, 5:45 AM MST | NON-TSTM WND GST 57 | 16 Wsw Cheyenne, WY | |
| Dec 5, 5:45 AM MST | NON-TSTM WND GST 59 | Arlington, WY | |
| Dec 5, 5:45 AM MST | SLEET 57 | 16 Wsw Cheyenne, WY | |
| Dec 5, 6:46 AM MST | NON-TSTM WND GST 54 | Arlington, WY | |
| Dec 5, 7:36 AM MST | NON-TSTM WND GST 57 | Arlington, WY | |
| Dec 5, 7:40 AM MST | NON-TSTM WND GST 52 | 5 Nw Arlington, WY | |
| Dec 5, 7:40 AM MST | NON-TSTM WND GST 52 | 7 Nw Elk Mountain, WY | |
| Dec 5, 7:40 AM MST | NON-TSTM WND GST 58 | Bordeaux, WY | |
| Dec 5, 9:50 AM MST | NON-TSTM WND GST 52 | Bordeaux, WY | |
| Dec 5, 9:55 AM MST | HIGH SUST WINDS 40 | Bordeaux, WY | BORDEAUX WYDOT SENSOR. AVERAGE SUSTAINED WIND FOR PAST HOUR ENDING AT 955 AM MST. PEAK GUST 57 MPH. |
| Dec 5, 9:56 AM MST | NON-TSTM WND GST 51 | Buford, WY | |
| Dec 5, 9:56 AM MST | NON-TSTM WND GST 52 | 16 Wsw Cheyenne, WY | |
| Dec 5, 9:56 AM MST | NON-TSTM WND GST 54 | Arlington, WY | |
| Dec 5, 10:15 AM MST | NON-TSTM WND GST 50 | 16 Wsw Cheyenne, WY | |
| Dec 5, 10:44 AM MST | NON-TSTM WND GST 59 | 11 Sse Garrett, WY | |
| Dec 5, 11:10 AM MST | NON-TSTM WND GST 52 | Bordeaux, WY | |
| Dec 5, 11:10 AM MST | NON-TSTM WND GST 56 | 16 E Horse Creek, WY | |
| Dec 5, 11:11 AM MST | NON-TSTM WND GST 51 | Arlington, WY | |
| Dec 5, 11:20 AM MST | HIGH SUST WINDS 40 | Bordeaux, WY | BORDEAUX WYDOT SENSOR. AVERAGE SUSTAINED WIND FOR PAST HOUR ENDING AT 1120 AM MST. PEAK GUST 54 MPH. |
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, 11.3 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
- 1458 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
548 WWUS75 KCYS 051117 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 417 AM MST Tue Dec 5 2017 WYZ110-051700- /O.NEW.KCYS.HW.W.0040.171205T1117Z-171205T1700Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 417 AM MST Tue Dec 5 2017 ...HIGH WIND WARNING IN EFFECT UNTIL 10 AM MST THIS MORNING... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect until 10 AM MST this morning. * TIMING...Until 10 AM. * WINDS...Westerly 25 to 40 mph with local gusts around 60 mph. * IMPACTS...Mainly to transportation. Dangerous travel for light weight and high profile vehicles. Enhanced blow over and blow off risk to light weight and high profile vehicles. 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. && $$
2 follow-up statements
348 WWUS75 KCYS 051457 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 757 AM MST Tue Dec 5 2017 ...High Wind Warning for Arlington and Bordeaux until 2 pm MST... .Strong winds gusting up to 60 mph will occur through early afternoon due to strong winds aloft and sufficient gradients in the lower levels of the atmosphere. WYZ106-052100- /O.EXB.KCYS.HW.W.0040.000000T0000Z-171205T2100Z/ Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 757 AM MST Tue Dec 5 2017 ...HIGH WIND WARNING IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect until 2 PM MST this afternoon. * TIMING...Until 2 pm MST this afternoon. * WINDS...West 25 to 40 mph with local gusts around 60 mph. * IMPACTS...Mainly to transportation. Dangerous travel for light weight and high profile vehicles. Enhanced blow over and blow off risk to light weight and high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ110-052100- /O.EXT.KCYS.HW.W.0040.000000T0000Z-171205T2100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 757 AM MST Tue Dec 5 2017 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * TIMING...Until 2 pm MST this afternoon. * WINDS...West 25 to 40 mph with local gusts around 60 mph. * IMPACTS...Mainly to transportation. Dangerous travel for light weight and high profile vehicles. Enhanced blow over and blow off risk to light weight and high profile vehicles. 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. && $$ Rubin
935 WWUS75 KCYS 052052 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 152 PM MST Tue Dec 5 2017 WYZ106-110-052200- /O.CAN.KCYS.HW.W.0040.000000T0000Z-171205T2100Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 152 PM MST Tue Dec 5 2017 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Cheyenne has cancelled the High Wind Warning. It will remain windy with west winds 25 to 35 mph with gusts to 55 mph for the rest of the afternoon over the central Laramie Range and southwest Platte County including Bordeaux, as well as the north Snowy Range Foothills, including Arlington and Elk Mountain. $$ Rubin
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.