Alert archive / Wyoming / High Wind Warnings in 2017
High Wind Warning 44, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Dec 19, 2017, 9:26 PM MST for Albany County, Carbon County, Wyoming. It took effect at Dec 19, 2017, 10:00 PM MST. It was in force for 12 hr. 12 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 19, 2017, 9:26 PM MST (04:26 UTC)
- In effect from
- Dec 19, 2017, 10:00 PM MST
- Expired
- Dec 20, 2017, 10:00 AM MST
- In force
- 12 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY
The radar
The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 04:28 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 20, 5:15 AM MST | NON-TSTM WND GST 60 | 7 Ese Arlington, WY | THIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 40 MPH. |
| Dec 20, 5:45 AM MST | NON-TSTM WND GST 60 | 7 Ese Arlington, WY | THIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 43 MPH. |
| Dec 20, 6:45 AM MST | NON-TSTM WND GST 59 | 7 Ese Arlington, WY | THIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 42 MPH. |
| Dec 20, 7:27 AM MST | NON-TSTM WND GST 58 | 7 Ese Arlington, WY | WYDOT COOPER COVE SENSOR. |
| Dec 20, 7:57 AM MST | NON-TSTM WND GST 58 | 7 Ese Arlington, WY | WYDOT COOPER COVE SENSOR. SUSTAINED 43 MPH. |
| Dec 20, 8:05 AM MST | NON-TSTM WND GST 60 | 7 Ese Arlington, WY | THIS IS WDOT SITE COOPER COVE. SUSAINED WIND 45 MPH. |
| Dec 20, 8:05 AM MST | NON-TSTM WND GST 60 | 7 Ese Arlington, WY | THIS IS WDOT SITE COOPER COVE. SUSTAINED WIND 45 MPH. |
| Dec 20, 8:05 AM MST | NON-TSTM WND GST 60 | 7 Ese Arlington, WY | THIS IS WDOT SITE COOPER COVE. SUSTAINED WIND 46 MPH. |
| Dec 20, 8:35 AM MST | NON-TSTM WND GST 60 | 7 Ese Arlington, WY | THIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 45 MPH. |
| Dec 20, 8:55 AM MST | NON-TSTM WND GST 59 | 7 Ese Arlington, WY | THIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 46 MPH. |
| Dec 20, 9:05 AM MST | HIGH SUST WINDS 45 | 7 Ese Arlington, WY | THIS IS WYDOT SITE COOPER. THE WIND DURING THE LAST HOUR RANGED FROM 42 MPH TO 47 MPH. |
| Dec 20, 9:30 AM MST | NON-TSTM WND GST 58 | 7 Ese Arlington, WY | THIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 44 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, 4.4 hours before the alert went out and 230 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
- 2304 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
174 WWUS75 KCYS 200426 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 926 PM MST Tue Dec 19 2017 ...Strong Wind Speeds expected around Arlington Late Tonight and Wednesday Morning... WYZ110-201230- /O.UPG.KCYS.HW.A.0034.171220T0500Z-171220T1700Z/ /O.NEW.KCYS.HW.W.0044.171220T0500Z-171220T1700Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 926 PM MST Tue Dec 19 2017 ...HIGH WIND WARNING IN EFFECT UNTIL 10 AM MST WEDNESDAY... The National Weather Service in Cheyenne has issued a High Wind Warning, which is in effect until 10 AM MST Wednesday. The High Wind Watch is no longer in effect. * TIMING...late tonight through Wednesday morning. * WINDS...Westerly 30 to 40 mph with gusts over 60 mph possible. * IMPACTS...Mainly to transportation. Sudden cross winds will create hazardous travel for lightweight and high profile vehicles, especially on north to south oriented roads. 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. && $$
2 follow-up statements
419 WWUS75 KCYS 200837 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 137 AM MST Wed Dec 20 2017 WYZ110-201700- /O.CON.KCYS.HW.W.0044.000000T0000Z-171220T1700Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 137 AM MST Wed Dec 20 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS MORNING... * TIMING...late tonight through Wednesday morning. * WINDS...Westerly 30 to 40 mph with gusts over 60 mph possible. * IMPACTS...Mainly to transportation. Sudden cross winds will create hazardous travel for lightweight and high profile vehicles, especially on north to south oriented roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
529 WWUS75 KCYS 201656 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 956 AM MST Wed Dec 20 2017 WYZ110-201800- /O.EXP.KCYS.HW.W.0044.000000T0000Z-171220T1700Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 956 AM MST Wed Dec 20 2017 ...HIGH WIND WARNING WILL EXPIRE AT 10 AM MST THIS MORNING... Winds continue to slowly ease over the area this morning and widespread high winds are no longer expected. A few gusts over 50 mph are still possible into this afternoon. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 2:37 AM MST | Winter Weather Advisory | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 35 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.