Alert archive / Montana / Wind Advisories in 2021
Wind Advisory 7, NWS Billings, MT
NWS Billings, MT issued this wind advisory at Oct 27, 2021, 1:53 AM MDT for Park County, Stillwater County, Sweet Grass County, Montana. It took effect at Oct 27, 2021, 6:00 AM MDT. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Oct 27, 2021, 1:53 AM MDT (07:53 UTC)
- In effect from
- Oct 27, 2021, 6:00 AM MDT
- Expired
- Oct 27, 2021, 7:35 PM MDT
- In force
- 14 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 07:51 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 00:00Z, 7.9 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
- 1883 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
736 WWUS75 KBYZ 270753 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 153 AM MDT Wed Oct 27 2021 MTZ063-141-172-228-280300- /O.UPG.KBYZ.HW.A.0008.211027T1200Z-211028T0300Z/ /O.NEW.KBYZ.HW.W.0009.211027T1200Z-211028T0300Z/ Judith Gap-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Judith Gap, Harlowton, and Big Timber 153 AM MDT Wed Oct 27 2021 ...HIGH WIND WARNING IN EFFECT FROM 6 AM THIS MORNING TO 9 PM MDT THIS EVENING... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Judith Gap, Southern Wheatland, Melville Foothills and Northern Sweet Grass. * WHEN...From 6 AM this morning to 9 PM MDT this evening. * IMPACTS...Strong winds could blow down trees and power lines. Power outages are possible. Strong crosswinds will make travel difficult along Highway 191 from Big Timber to Harlowton and Judith Gap. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ MTZ065-066-280300- /O.UPG.KBYZ.HW.A.0008.211027T1200Z-211028T0300Z/ /O.NEW.KBYZ.WI.Y.0007.211027T1200Z-211028T0300Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 153 AM MDT Wed Oct 27 2021 ...WIND ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 9 PM MDT THIS EVENING... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...From 6 AM this morning to 9 PM MDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Palmquist
2 follow-up statements
768 WWUS75 KBYZ 272041 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 241 PM MDT Wed Oct 27 2021 MTZ063-141-172-228-280300- /O.CON.KBYZ.HW.W.0009.000000T0000Z-211028T0300Z/ Judith Gap-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Judith Gap, Harlowton, and Big Timber 241 PM MDT Wed Oct 27 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Judith Gap, Southern Wheatland, Melville Foothills and Northern Sweet Grass. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Strong winds could blow down trees and power lines. Power outages are possible. Strong crosswinds will make travel difficult along Highway 191 from Big Timber to Harlowton and Judith Gap. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ MTZ065-066-280300- /O.CON.KBYZ.WI.Y.0007.000000T0000Z-211028T0300Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 241 PM MDT Wed Oct 27 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Vertz
319 WWUS75 KBYZ 280135 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 735 PM MDT Wed Oct 27 2021 MTZ063-141-172-228-280245- /O.CAN.KBYZ.HW.W.0009.000000T0000Z-211028T0300Z/ Judith Gap-Northern Sweet Grass-Melville Foothills-Southern Wheatland- Including the locations of Judith Gap, Harlowton, and Big Timber 735 PM MDT Wed Oct 27 2021 ...HIGH WIND WARNING IS CANCELLED... Winds have diminished well below warning thresholds. Therefore the High Wind Warning has been cancelled. Wind speeds will continue to diminish through late tonight. $$ MTZ065-066-280245- /O.CAN.KBYZ.WI.Y.0007.000000T0000Z-211028T0300Z/ Livingston Area-Beartooth Foothills- Including the locations of Livingston 735 PM MDT Wed Oct 27 2021 ...WIND ADVISORY IS CANCELLED... Winds have diminished below advisory levels. Therefore the Wind Advisory has been cancelled. Wind speeds will continue to diminish through late tonight. $$ Additional graphics for this hazard can be found at http://www.weather.gov/billings Chambers
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 1:53 AM MDT | High Wind Warning | BYZ | Golden Valley, Sweet Grass, Wheatland | 18 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.