Alert archive / Montana / Wind Advisories in 2021
Wind Advisory 18, NWS Billings, MT
NWS Billings, MT issued this wind advisory at Dec 13, 2021, 7:51 AM MST for Park County, Stillwater County, Sweet Grass County, Montana. It was in force for 31 hr.
The area
The counties it named.
The facts
- Issued
- Dec 13, 2021, 7:51 AM MST (14:51 UTC)
- Expired
- Dec 14, 2021, 2:48 PM MST
- In force
- 31 hr
- Issued by
- NWS Billings, MT
Counties Park County, MT, Stillwater County, MT, Sweet Grass County, MT
The radar
The Billings radar (KBLX), 107 km from the middle of the area, began a volume at 14:48 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.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 2.9 hours before the alert went out and 206 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
- 1105 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
851 WWUS75 KBYZ 131451 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 751 AM MST Mon Dec 13 2021 MTZ065-066-141500- /O.NEW.KBYZ.WI.Y.0018.211213T1451Z-211215T0100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 751 AM MST Mon Dec 13 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 PM MST TUESDAY... * WHAT...South wind gusts to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 6 PM MST Tuesday. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution and consider postponing travel until winds subside, or take an alternate route. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Plouffe
3 follow-up statements
639 WWUS75 KBYZ 132159 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 259 PM MST Mon Dec 13 2021 MTZ065-066-142200- /O.CON.KBYZ.WI.Y.0018.000000T0000Z-211215T0100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 259 PM MST Mon Dec 13 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST TUESDAY... * WHAT...Southwest wind gusts to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 6 PM MST Tuesday. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution and consider postponing travel until winds subside, or take an alternate route. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Plouffe
984 WWUS75 KBYZ 141005 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 305 AM MST Tue Dec 14 2021 MTZ065-066-150100- /O.CON.KBYZ.WI.Y.0018.000000T0000Z-211215T0100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 305 AM MST Tue Dec 14 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Southwest wind gusts to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 6 PM MST this evening. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution and consider postponing travel until winds subside, or take an alternate route. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Palmquist
326 WWUS75 KBYZ 142148 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 248 PM MST Tue Dec 14 2021 MTZ065-066-142300- /O.CAN.KBYZ.WI.Y.0018.000000T0000Z-211215T0100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 248 PM MST Tue Dec 14 2021 ...WIND ADVISORY IS CANCELLED... Winds will continue to weaken with gusts up to 40 mph expected. $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Plouffe
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 13, 2:37 PM MST | Winter Weather Advisory | BYZ | Big Horn, Carbon, Carter, Custer, Fallon, Golden Valley and 9 more | 50 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.