Alert archive / Montana / Winter Storm Warnings in 2021
Winter Storm Warning 5, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Dec 10, 2021, 2:19 AM MST. It took effect at Dec 11, 2021, 2:00 AM MST. It was in force for . No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2021, 2:19 AM MST (09:19 UTC)
- In effect from
- Dec 11, 2021, 2:00 AM MST
- Expired
- Dec 10, 2021, 5:28 PM MST
- In force
- Issued by
- NWS Great Falls, MT
The text
As transmitted.
904 WWUS45 KTFX 100919 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 219 AM MST Fri Dec 10 2021 MTZ009-102215- /O.UPG.KTFX.WS.A.0007.211211T0900Z-211212T1800Z/ /O.NEW.KTFX.WS.W.0005.211211T0900Z-211212T1800Z/ Northern Rocky Mountain Front- Including the following locations: Logan Pass, Heart Butte, Browning, and Marias Pass 219 AM MST Fri Dec 10 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 AM SATURDAY TO 11 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 3 to 6 inches, with 9 to 16 inches along the immediate eastern slopes of the Rocky Mountain Front and in the mountains are possible. Winds gust as high as 90 mph possible. * WHERE...Northern Rocky Mountain Front. * WHEN...From 2 AM Saturday to 11 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Widespread blowing snow could significantly reduce visibility at times. Very strong winds could cause damage trees and power lines. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ RG
2 follow-up statements
197 WWUS45 KTFX 102135 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 235 PM MST Fri Dec 10 2021 MTZ009-111200- /O.CON.KTFX.WS.W.0005.211211T0900Z-211212T1800Z/ Northern Rocky Mountain Front- Including the following locations: Marias Pass and Logan Pass 235 PM MST Fri Dec 10 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM SATURDAY TO 11 AM MST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 3 to 6 inches, with 9 to 16 inches along the immediate eastern slopes of the Rocky Mountain Front and in the mountains are possible. Winds gust as high as 90 mph possible. * WHERE...Northern Rocky Mountain Front. * WHEN...From 2 AM Saturday to 11 AM MST Sunday. * IMPACTS...Travel could be very difficult. Snow and blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$
461 WWUS45 KTFX 110028 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 528 PM MST Fri Dec 10 2021 MTZ009-111200- /O.UPG.KTFX.WS.W.0005.211211T0900Z-211212T1800Z/ /O.NEW.KTFX.BZ.W.0002.211211T0900Z-211212T1800Z/ Northern Rocky Mountain Front- Including the following locations: Heart Butte, Browning, Marias Pass, and Logan Pass 528 PM MST Fri Dec 10 2021 ...BLIZZARD WARNING IN EFFECT FROM 2 AM SATURDAY TO 11 AM MST SUNDAY... * WHAT...Blizzard conditions expected. Total snow accumulations of 3 to 6 inches, with 9 to 16 inches along the immediate eastern slopes of the Rocky Mountain Front and in the mountains are possible. Winds gust as high as 90 mph possible. * WHERE...Northern Rocky Mountain Front. * WHEN...From 2 AM Saturday to 11 AM MST Sunday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Whiteout conditions are expected and will make travel treacherous and potentially life-threatening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary. && $$ Pierce
Nearby
Winter Storm Warnings in Montana, 2021Every winter storm 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.