Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 7, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind warning at Jan 17, 2021, 9:39 AM MST for Albany County, Carbon County, Laramie County, Wyoming. It was in force for 19 hr. 30 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
- Jan 17, 2021, 9:39 AM MST (16:39 UTC)
- Expired
- Jan 18, 2021, 5:00 AM MST
- In force
- 19 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 16:40 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 |
|---|---|---|---|
| Jan 17, 9:44 AM MST | NON-TSTM WND GST 59 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT). |
| Jan 17, 10:16 AM MST | NON-TSTM WND GST 61 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT) WINDS AT 35-40 MPH. |
| Jan 17, 10:36 AM MST | NON-TSTM WND GST 58 | 7 Ese Arlington, WY | MESONET STATION WY24 6.9 E ARLINGTON (WYDOT) 30-35 MPH. |
| Jan 17, 10:36 AM MST | NON-TSTM WND GST 66 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT) WIND SPEEDS AT 50-55. |
| Jan 17, 10:42 AM MST | NON-TSTM WND GST 60 | 2 E Arlington, WY | MESONET STATION WY23 1.6 E ARLINGTON (WYDOT) SPEEDS AT 35 - 40 MPH. |
| Jan 17, 10:46 AM MST | NON-TSTM WND GST 58 | 7 Ese Arlington, WY | MESONET STATION WY24 6.9 E ARLINGTON (WYDOT). |
| Jan 17, 10:46 AM MST | NON-TSTM WND GST 60 | 2 E Arlington, WY | MESONET STATION WY23 1.6 E ARLINGTON (WYDOT). |
| Jan 17, 11:02 AM MST | NON-TSTM WND GST 58 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT) WIND SPEEDS AT 35-40 MPH. |
| Jan 17, 11:22 AM MST | NON-TSTM WND GST 68 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (WYDOT) WIND SPEEDS AT 45-50. |
| Jan 17, 11:34 AM MST | NON-TSTM WND GST 58 | 3 Ne Pumpkin Vine, WY | MESONET STATION UR351 3.1 NE PUMPKIN VINE (UPR) WINDS AT 58 MPH. |
| Jan 17, 11:42 AM MST | NON-TSTM WND GST 62 | 7 Ese Arlington, WY | MESONET STATION WY24 6.9 E ARLINGTON (WYDOT) WIND SPEEDS AT 35-40 MPH. |
| Jan 17, 12:42 PM MST | NON-TSTM WND GST 58 | 11 Se Arlington, WY | MESONET STATION WY25 10.7 SE ARLINGTON (WYDOT) WIND SPEEDS AT 35-40 MPH. |
| Jan 17, 12:42 PM MST | NON-TSTM WND GST 58 | 3 Nw Arlington, WY | MESONET STATION WY22 2.7 NW ARLINGTON (WYDOT) WIND SPEEDS AT 40-45 MPH. |
| Jan 17, 1:12 PM MST | NON-TSTM WND GST 61 | 3 Nw Arlington, WY | MESONET STATION WY22 2.7 NW ARLINGTON (WYDOT) WIND SPEEDS AT 45 TO 50 MPH. |
| Jan 17, 2:40 PM MST | NON-TSTM WND GST 60 | 11 Wsw Warren Af Base, WY | MESONET STATION UP226 10.5 NW NATURAL FORT (UPR) WIND SPEEDS AT 38-43 MPH. |
| Jan 17, 3:46 PM MST | NON-TSTM WND GST 60 | 9 Se Buford, WY | MESONET STATION UP204 9.2 SE BUFORD (UPR) WIND SPEEDS AT 53-58 MPH. |
| Jan 17, 3:59 PM MST | NON-TSTM WND GST 66 | 11 Wsw Warren Af Base, WY | MESONET STATION UP226 10.5 NW NATURAL FORT (UPR) WIND SPEED AT 38-43 MPH. |
| Jan 17, 4:12 PM MST | NON-TSTM WND GST 58 | 2 Wnw Buford, WY | MESONET STATION WY36 2.4 NW BUFORD (WYDOT). |
| Jan 17, 4:12 PM MST | NON-TSTM WND GST 58 | 2 Wnw Buford, WY | MESONET STATION WY36 2.4 NW BUFORD (WYDOT) WIND SPEEDS AT 53-58 MPH. |
| Jan 17, 4:22 PM MST | NON-TSTM WND GST 60 | 2 Wnw Buford, WY | MESONET STATION WY36 2.4 NW BUFORD (WYDOT) WIND SPEEDS AT 45-50 MPH. |
| Jan 17, 4:22 PM MST | NON-TSTM WND GST 62 | 11 Wsw Warren Af Base, WY | MESONET STATION UP226 10.5 NW NATURAL FORT (UPR) WIND SPEEDS AT 37-42 MPH. |
| Jan 17, 4:27 PM MST | NON-TSTM WND GST 68 | 11 Wsw Warren Af Base, WY | MESONET STATION UP226 10.5 NW NATURAL FORT (UPR) WIND SPEEDS AT 60-65 MPH. |
| Jan 17, 4:29 PM MST | NON-TSTM WND GST 62 | 2 Wnw Buford, WY | MESONET STATION UP203 2.0 W BUFORD (UPR) WIND SPEEDS AT 45-50 MPH. |
| Jan 17, 4:46 PM MST | NON-TSTM WND GST 59 | 13 Ne Centennial, WY | MESONET STATION WY26 12.6 NE CENTENNIAL (WYDOT) WIND SPEEDS AT 39-44 MPH. |
| Jan 17, 5:02 PM MST | NON-TSTM WND GST 60 | 11 Se Arlington, WY | MESONET STATION WY25 10.7 SE ARLINGTON (WYDOT) WIND SPEEDS AT 32-37 MPH. |
| Jan 17, 5:52 PM MST | NON-TSTM WND GST 58 | 13 Ne Centennial, WY | MESONET STATION WY26 12.6 NE CENTENNIAL (WYDOT) WIND SPEEDS AT 38-43 MPH. |
| Jan 17, 5:52 PM MST | NON-TSTM WND GST 62 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT) WIND SPEEDS AT 32-37 MPH. |
| Jan 17, 6:22 PM MST | NON-TSTM WND GST 58 | 3 Nw Elk Mountain, WY | MESONET STATION WY19 2.9 NW ELK MOUNTAIN (WYDOT) WIND SPEEDS AT 30-35 MPH. |
| Jan 17, 6:56 PM MST | NON-TSTM WND GST 62 | 3 Ese Elk Mountain, WY | MESONET STATION WY20 2.5 SE ELK MOUNTAIN (WYDOT). |
| Jan 17, 7:06 PM MST | NON-TSTM WND GST 62 | 1 Nnw Arlington, WY | MESONET STATION KARL 0.6 NW ARLINGTON (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 12:00Z, 4.7 hours before the alert went out and 274 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
- 1904 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 377 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
513 WWUS75 KCYS 171639 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY Issued by National Weather Service Riverton WY 939 AM MST Sun Jan 17 2021 WYZ110-172100- /O.NEW.KCYS.HW.W.0007.210117T1639Z-210117T2100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 939 AM MST Sun Jan 17 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Until 2 PM MST this afternoon. * 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 especially along north to south orientated roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should secure any loose objects, or bring them inside, to prevent them from becoming flying objects. Use caution while driving and be alert for sudden high wind gusts. && $$ WFO RIW/21
4 follow-up statements
688 WWUS75 KCYS 171933 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY Issued by National Weather Service Riverton WY 1233 PM MST Sun Jan 17 2021 WYZ110-172100- /O.CON.KCYS.HW.W.0007.000000T0000Z-210117T2100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1233 PM MST Sun Jan 17 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph expected. A wind gust of 68 miles per hour was observed near Arlington along Interstate 80 at 1122 AM this morning. * WHERE...Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs especially along north to south orientated roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should secure any loose objects, or bring them inside, to prevent them from becoming flying objects. Use caution while driving and be alert for sudden high wind gusts. && $$ WFO RIW/21
469 WWUS75 KCYS 172036 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY Issued by National Weather Service Riverton WY 136 PM MST Sun Jan 17 2021 WYZ110-172145- /O.EXP.KCYS.HW.W.0007.000000T0000Z-210117T2100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 136 PM MST Sun Jan 17 2021 ...HIGH WIND WARNING WILL EXPIRE AT 2 PM MST THIS AFTERNOON... The high wind warning will be allowed to expire at 2 PM. However a blizzard warning is now in effect until 5 PM Monday. This is a dangerous situation. $$ WYZ116-117-181200- /O.EXB.KCYS.HW.W.0007.210117T2100Z-210118T1200Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 136 PM MST Sun Jan 17 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Areas between Laramie and Cheyenne including the Interstate 80 Summit. * WHEN...Now until 5 AM MST Monday. * IMPACTS...Mainly to transportation. Strong winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs including along Interstate 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while driving and be alert for sudden high wind gusts. && $$ WFO RIW/21
530 WWUS75 KCYS 180117 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY Issued by National Weather Service Riverton WY 617 PM MST Sun Jan 17 2021 WYZ115-181200- /O.EXA.KCYS.HW.W.0007.000000T0000Z-210118T1200Z/ Laramie Valley- Including the cities of Bosler and Laramie 617 PM MST Sun Jan 17 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Areas between Laramie and Cheyenne including the Interstate 80 Summit. * WHEN...Until 5 AM MST Monday. * IMPACTS...Mainly to transportation. Strong 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 including along Interstate 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while driving and be alert for sudden high wind gusts. && $$ WYZ116-117-181200- /O.CON.KCYS.HW.W.0007.000000T0000Z-210118T1200Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 617 PM MST Sun Jan 17 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... * WHAT...West to northwest winds 30 to 40 mph with gusts up to 65 mph. * WHERE...South Laramie Range and South Laramie Range Foothills, including along Interstate 80. * WHEN...Until 5 AM MST Monday. * IMPACTS...Mainly to transportation. Strong winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs including along Interstate 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while driving and be alert for sudden high wind gusts. && $$
190 WWUS75 KCYS 181142 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY Issued by National Weather Service Riverton WY 442 AM MST Mon Jan 18 2021 WYZ116-117-181245- /O.EXP.KCYS.HW.W.0007.000000T0000Z-210118T1200Z/ South Laramie Range-South Laramie Range Foothills- Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 442 AM MST Mon Jan 18 2021 ...HIGH WIND WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING... Winds have decreased and no longer pose an immediate hazard. Thus, the High Winds Warning will be allowed to expire. $$ WYZ115-181245- /O.EXP.KCYS.HW.W.0007.000000T0000Z-210118T1200Z/ Laramie Valley- Including the cities of Bosler and Laramie 442 AM MST Mon Jan 18 2021 ...HIGH WIND WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING... Winds have decreased and no longer pose an immediate hazard. Thus, the High Winds Warning will be allowed to expire. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 17, 9:32 AM MST | Blizzard Warning | CYS | Albany, Carbon | 23 hr |
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.