Alert archive / Montana / High Wind Warnings in 2021
High Wind Warning 17, NWS Billings, MT
NWS Billings, MT issued this high wind warning at Dec 7, 2021, 9:13 PM MST for Sweet Grass County, Montana. It was in force for 21 hr. 5 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 7, 2021, 9:13 PM MST (04:13 UTC)
- Expired
- Dec 8, 2021, 6:00 PM MST
- In force
- 21 hr
- Issued by
- NWS Billings, MT
County Sweet Grass County, MT
The radar
The Billings radar (KBLX), 103 km from the middle of the area, began a volume at 04:16 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 8, 3:30 AM MST | NON-TSTM WND GST 63 | 9 Se Melville, MT | |
| Dec 8, 1:00 PM MST | NON-TSTM WND GST 51 | 9 Se Big Timber, MT | |
| Dec 8, 1:35 PM MST | NON-TSTM WND GST 51 | 13 Ssw Greycliff, MT | |
| Dec 8, 2:15 PM MST | NON-TSTM WND GST 51 | 1 S Big Timber, MT | |
| Dec 8, 4:30 PM MST | NON-TSTM WND GST 53 | 9 Se Big Timber, MT |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Great_falls, MT (KTFX), launched 00:00Z, 4.2 hours before the alert went out and 190 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
- 1312 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 284 m²/s²
- 0-3 km storm-relative helicity
- 376 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
298 WWUS75 KBYZ 080413 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 913 PM MST Tue Dec 7 2021 MTZ141-090100- /O.NEW.KBYZ.HW.W.0017.211208T0413Z-211209T0100Z/ Northern Sweet Grass- Including the locations of Big Timber 913 PM MST Tue Dec 7 2021 ...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MST WEDNESDAY... * WHAT...Southwest winds 30 to 45 mph with gusts up to 65 mph occurring. * WHERE...Northern Sweet Grass. * WHEN...Until 6 PM MST Wednesday. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber, Highway 191 from Big Timber to Harlowton, and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. && $$ MTZ065-066-082100- /O.CON.KBYZ.WI.Y.0016.000000T0000Z-211208T2100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 913 PM MST Tue Dec 7 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST WEDNESDAY... * WHAT...Southwest winds 30 to 45 mph with gusts up to 65 mph occurring. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 2 PM MST Wednesday. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber, and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution and consider postponing travel until winds subside, or taking an alternate route. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Chambers
3 follow-up statements
270 WWUS75 KBYZ 080838 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 138 AM MST Wed Dec 8 2021 MTZ141-090100- /O.CON.KBYZ.HW.W.0017.000000T0000Z-211209T0100Z/ Northern Sweet Grass- Including the locations of Big Timber 138 AM MST Wed Dec 8 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Southwest to west wind gusts of 50 to 60 mph. * WHERE...Northern Sweet Grass. * WHEN...Until 6 PM MST this evening. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 and US-191 in the Big Timber area. * ADDITIONAL DETAILS...After a lull in wind speeds early this morning, gusts will increase in the late morning and afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ MTZ065-066-082100- /O.CON.KBYZ.WI.Y.0016.000000T0000Z-211208T2100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 138 AM MST Wed Dec 8 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...Southwest wind gusts up to 65 mph. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Strong crosswinds will make travel difficult on Interstate 90 from Livingston to Big Timber, and roads along the Beartooth Foothills. * ADDITIONAL DETAILS...Strongest winds are expected to occur early this morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Lester
124 WWUS75 KBYZ 082036 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 136 PM MST Wed Dec 8 2021 MTZ141-090100- /O.CON.KBYZ.HW.W.0017.000000T0000Z-211209T0100Z/ Northern Sweet Grass- Including the locations of Big Timber 136 PM MST Wed Dec 8 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Southwest to west wind gusts of 50 to 60 mph. * WHERE...Northern Sweet Grass. * WHEN...Until 6 PM MST this evening. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 and US-191 in the Big Timber area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ MTZ065-066-090100- /O.EXT.KBYZ.WI.Y.0016.000000T0000Z-211209T0100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 136 PM MST Wed Dec 8 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM MST THIS EVENING... * WHAT...Southwest wind gusts up to 65 mph. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 6 PM MST this evening. * IMPACTS...Strong crosswinds will make travel difficult on Interstate 90 from Livingston to Big Timber, and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution and consider postponing travel until winds subside, or taking an alternate route. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Reimer
225 WWUS75 KBYZ 090049 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 549 PM MST Wed Dec 8 2021 MTZ141-090200- /O.EXP.KBYZ.HW.W.0017.000000T0000Z-211209T0100Z/ Northern Sweet Grass- Including the locations of Big Timber 549 PM MST Wed Dec 8 2021 ...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS EVENING... Although winds can gust to 50 mph early this evening, the strongest winds have ended. Therefore, the High Wind Warning will expire at 6 PM MST this evening. $$ MTZ065-066-090200- /O.EXP.KBYZ.WI.Y.0016.000000T0000Z-211209T0100Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 549 PM MST Wed Dec 8 2021 ...WIND ADVISORY WILL EXPIRE AT 6 PM MST THIS EVENING... Although winds can gust to 50 mph early this evening, the strongest winds have ended. Therefore, the Wind Advisory will expire at 6 PM MST this evening. $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Setzenfand
Nearby
High Wind Warnings in Montana, 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.