Alert archive / Montana / High Wind Warnings in 2021
High Wind Warning 16, NWS Billings, MT
NWS Billings, MT issued this high wind warning at Dec 4, 2021, 2:08 AM MST for Sweet Grass County, Montana. It took effect at Dec 4, 2021, 2:00 PM MST. It was in force for 11 hr. 3 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 4, 2021, 2:08 AM MST (09:08 UTC)
- In effect from
- Dec 4, 2021, 2:00 PM MST
- Expired
- Dec 5, 2021, 1:09 AM MST
- In force
- 11 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 09:11 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 4, 6:15 PM MST | NON-TSTM WND GST 51 | 9 Se Melville, MT | |
| Dec 4, 8:15 PM MST | NON-TSTM WND GST 52 | 9 Se Melville, MT | |
| Dec 4, 9:35 PM MST | NON-TSTM WND GST 60 | 2 Ssw 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, 9.1 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
- 1154 m above ground
- 0-6 km bulk shear
- 106 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
354 WWUS75 KBYZ 040908 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 208 AM MST Sat Dec 4 2021 MTZ141-050915- /O.NEW.KBYZ.HW.W.0016.211204T2100Z-211205T1200Z/ Northern Sweet Grass- Including the locations of Big Timber 208 AM MST Sat Dec 4 2021 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST SUNDAY... * WHAT...West winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...Northern Sweet Grass. * WHEN...From 2 PM this afternoon to 5 AM MST Sunday. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 and US-191 near Big Timber. * ADDITIONAL DETAILS...Strongest winds are expected this evening. $$ MTZ065-066-050915- /O.CON.KBYZ.WI.Y.0015.211204T1200Z-211205T1200Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 208 AM MST Sat Dec 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Southwest to west winds 35 to 45 mph with gusts up to 65 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Strong crosswinds will make travel difficult on Interstate 90 near Livingston and roads along the Beartooth foothills. * ADDITIONAL DETAILS...Strongest winds are expected this afternoon and early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Lester
3 follow-up statements
450 WWUS75 KBYZ 042107 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 207 PM MST Sat Dec 4 2021 MTZ141-051200- /O.CON.KBYZ.HW.W.0016.000000T0000Z-211205T1200Z/ Northern Sweet Grass- Including the locations of Big Timber 207 PM MST Sat Dec 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...West winds 30 to 40 mph with gusts up to near 60 mph expected. * WHERE...Northern Sweet Grass. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 and US-191 near Big Timber. * ADDITIONAL DETAILS...Strongest winds are expected this evening. $$ MTZ065-066-051200- /O.CON.KBYZ.WI.Y.0015.000000T0000Z-211205T1200Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 207 PM MST Sat Dec 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...Southwest to west winds 35 to 45 mph with gusts up to 65 mph. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Strong crosswinds will make travel difficult on Interstate 90 near Livingston and roads along the Beartooth foothills. * ADDITIONAL DETAILS...Strongest winds are expected this afternoon and early evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Tesar
883 WWUS75 KBYZ 050337 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 837 PM MST Sat Dec 4 2021 MTZ065-066-050445- /O.CAN.KBYZ.WI.Y.0015.000000T0000Z-211205T1200Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 837 PM MST Sat Dec 4 2021 ...WIND ADVISORY IS CANCELLED... The threat for damaging wind gusts in the Livingston and Nye areas has greatly diminished over the past few hours. Expect gusts of 35 to 50 mph to continue into the early morning hours when a cold front will move through, resulting in weaker winds heading into Sunday morning. $$ MTZ141-051200- /O.CON.KBYZ.HW.W.0016.000000T0000Z-211205T1200Z/ Northern Sweet Grass- Including the locations of Big Timber 837 PM MST Sat Dec 4 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph occurring. * WHERE...Northern Sweet Grass. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Strong crosswinds will make travel difficult along Highway 191 from Big Timber to Harlowton. $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Chambers
319 WWUS75 KBYZ 050809 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 109 AM MST Sun Dec 5 2021 MTZ141-050915- /O.CAN.KBYZ.HW.W.0016.000000T0000Z-211205T1200Z/ Northern Sweet Grass- Including the locations of Big Timber 109 AM MST Sun Dec 5 2021 ...HIGH WIND WARNING IS CANCELLED... Winds have decreased behind last evening's cold frontal passage. Expect west to northwest wind gusts of 30 to 40 mph for the remainder of the night. $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Lester
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 4, 1:55 PM MST | Winter Weather Advisory | BYZ | Big Horn, Carbon, Stillwater, Sweet Grass | 22 hr |
| Dec 4, 3:56 PM MST | Special Weather Statement | BYZ | Carbon | 6 hr |
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.