Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 19, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Feb 28, 2021, 3:02 AM MST for 4 counties in Wyoming. It took effect at Feb 28, 2021, 1:00 PM MST. It was in force for 20 hr. 16 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 28, 2021, 3:02 AM MST (10:02 UTC)
- In effect from
- Feb 28, 2021, 1:00 PM MST
- Expired
- Mar 1, 2021, 8:58 AM MST
- In force
- 20 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 10:05 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 28, 1:02 PM MST | NON-TSTM WND GST 58 | Arlington, WY | SUSTAINED 42 MPH. |
| Feb 28, 1:26 PM MST | NON-TSTM WND GST 62 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT) COUNTY ROAD 402. |
| Feb 28, 1:32 PM MST | NON-TSTM WND GST 60 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Feb 28, 1:42 PM MST | NON-TSTM WND GST 62 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Feb 28, 2:36 PM MST | NON-TSTM WND GST 60 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT). |
| Feb 28, 2:42 PM MST | NON-TSTM WND GST 65 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT). |
| Feb 28, 4:32 PM MST | NON-TSTM WND GST 63 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Feb 28, 5:06 PM MST | NON-TSTM WND GST 63 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Feb 28, 6:02 PM MST | NON-TSTM WND GST 64 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Feb 28, 7:52 PM MST | NON-TSTM WND GST 67 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). SUSTAINED WINDS 40 TO 50 MPH WITH GUSTS TO 67 MPH HAVE BEEN NOTED FOR ABOUT 30 MINS. |
| Feb 28, 8:08 PM MST | NON-TSTM WND GST 64 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT). |
| Feb 28, 8:20 PM MST | NON-TSTM WND GST 65 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). SUSTAINED WINDS 40 TO 55 MPH AND GUSTS 54 TO 67 MPH HAVE BEEN NOTED FOR THE LAST HOUR. |
| Feb 28, 10:46 PM MST | NON-TSTM WND GST 59 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Mar 1, 12:06 AM MST | NON-TSTM WND GST 60 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Mar 1, 3:06 AM MST | NON-TSTM WND GST 58 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT). |
| Mar 1, 4:16 AM MST | NON-TSTM WND GST 58 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT). |
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, 10.0 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
- 1266 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
294 WWUS75 KCYS 281002 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 302 AM MST Sun Feb 28 2021 WYZ106-110-010000- /O.UPG.KCYS.HW.A.0013.210301T0000Z-210301T1800Z/ /O.NEW.KCYS.HW.W.0019.210301T0000Z-210301T1800Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 302 AM MST Sun Feb 28 2021 ...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST MONDAY... * WHAT...West winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins, Bordeaux along Interstate 25 between Chugwater and Wheatland. * WHEN...5 PM MST today until 11 AM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. 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. && $$ CLH
4 follow-up statements
759 WWUS75 KCYS 281949 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1249 PM MST Sun Feb 28 2021 WYZ106-110-011200- /O.EXT.KCYS.HW.W.0019.210228T2000Z-210301T1800Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 1249 PM MST Sun Feb 28 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Sustained west winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins, Bordeaux along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 11 AM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. Some blowing and drifting snow will create slick spots on area roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
088 WWUS75 KCYS 282152 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 252 PM MST Sun Feb 28 2021 WYZ106-110-011200- /O.CON.KCYS.HW.W.0019.000000T0000Z-210301T1800Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 252 PM MST Sun Feb 28 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Sustained west winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins, Bordeaux along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 11 AM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. Some blowing and drifting snow will create slick spots on area roadways. 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. && $$
742 WWUS75 KCYS 011004 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 304 AM MST Mon Mar 1 2021 WYZ106-110-011800- /O.CON.KCYS.HW.W.0019.000000T0000Z-210301T1800Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 304 AM MST Mon Mar 1 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins, Bordeaux along Interstate 25 between Chugwater and Wheatland. * WHEN...Until 11 AM MST today. A second round of strong winds will be possible this evening and overnight. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs. Some blowing and drifting snow will create slick spots on area roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CLH
734 WWUS75 KCYS 011558 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 858 AM MST Mon Mar 1 2021 WYZ106-110-011700- /O.CAN.KCYS.HW.W.0019.000000T0000Z-210301T1800Z/ Central Laramie Range and Southwest Platte County- North Snowy Range Foothills- Including the cities of Bordeaux, Arlington, and Elk Mountain 858 AM MST Mon Mar 1 2021 ...HIGH WIND WARNING IS CANCELLED... Winds have diminished early this morning, but will increase this afternoon and especially this evening. $$
Nearby
High Wind Warnings in Wyoming, 2021Every high wind warning in 2021
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.