Alert archive / Montana / High Wind Warnings in 2021
High Wind Warning 6, NWS Billings, MT
NWS Billings, MT issued this high wind warning at Feb 28, 2021, 7:57 AM MST for Sweet Grass County, Montana. It was in force for 12 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
- Feb 28, 2021, 7:57 AM MST (14:57 UTC)
- Expired
- Feb 28, 2021, 7:27 PM MST
- In force
- 12 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 14:55 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 |
|---|---|---|---|
| Feb 28, 11:10 AM MST | NON-TSTM WND GST 58 | 2 Ssw Big Timber, MT | |
| Feb 28, 11:15 AM MST | NON-TSTM WND GST 52 | 1 S Big Timber, MT | |
| Feb 28, 12:56 PM MST | NON-TSTM WND GST 50 | 2 W Reed Point, 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 12:00Z, 3.0 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
- 1508 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 292 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
124 WWUS75 KBYZ 281457 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 757 AM MST Sun Feb 28 2021 MTZ141-010700- /O.NEW.KBYZ.HW.W.0006.210228T1500Z-210301T0700Z/ Northern Sweet Grass- Including the city of Big Timber 757 AM MST Sun Feb 28 2021 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...West winds gusting up to 60 mph expected. * WHERE...Northern Sweet Grass. * WHEN...Until midnight MST tonight. * IMPACTS...Travel along Highway 191 and Interstate 90 around Big Timber will be impacted by dangerous crosswinds, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Those with travel plans may want to consider delaying travel or plan an alternate route. Use caution if you must drive. Additional graphics for this hazard can be found at http://www.weather.gov/billings $$
1 follow-up statement
457 WWUS75 KBYZ 010227 NPWBYZ URGENT - WEATHER MESSAGE National Weather Service Billings MT 727 PM MST Sun Feb 28 2021 MTZ141-010330- /O.CAN.KBYZ.HW.W.0006.000000T0000Z-210301T0700Z/ Northern Sweet Grass- Including the city of Big Timber 727 PM MST Sun Feb 28 2021 ...HIGH WIND WARNING IS CANCELLED... Wind gusts are expected to continue in the 30 to 50 mph range overnight and into Monday, but should remain below 60 mph. Therefore the High Wind Warning has been cancelled. $$
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 12:29 AM MST | Special Weather Statement | BYZ | Yellowstone | 76 min |
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.