Alert archive / Montana / Winter Storm Warnings in 2021
Winter Storm Warning 6, NWS Great Falls, MT
NWS Great Falls, MT issued this winter storm warning at Dec 11, 2021, 7:10 PM MST. It was in force for 16 hr. 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 11, 2021, 7:10 PM MST (02:10 UTC)
- Expired
- Dec 12, 2021, 11:00 AM MST
- In force
- 16 hr
- Issued by
- NWS Great Falls, MT
The text
As transmitted.
052 WWUS45 KTFX 120210 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 710 PM MST Sat Dec 11 2021 MTZ009-121800- /O.CAN.KTFX.BZ.W.0002.000000T0000Z-211212T1800Z/ /O.NEW.KTFX.WS.W.0006.211212T0210Z-211212T1800Z/ Northern Rocky Mountain Front- Including the following locations: Logan Pass, Heart Butte, Browning, and Marias Pass 710 PM MST Sat Dec 11 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 11 AM MST SUNDAY... ...BLIZZARD WARNING IS CANCELLED... * WHAT...Snow and blowing snow. Additional snow accumulations 3 to 6 inches close to the Rocky Mountain Front, with 6 to 12 inches on Marias Pass. Winds gusting 25 to 40 mph. * WHERE...Northern Rocky Mountain Front. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Travel could be very difficult to impossible. Snow and blowing snow could reduce visibility below 1/2 mile. 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. && $$ MTZ008-015-055-121800- /O.CON.KTFX.WW.Y.0043.000000T0000Z-211213T0600Z/ Beaverhead-Madison-Gallatin- Including the following locations: Targhee Pass, West Yellowstone, Monida Pass, Big Hole Pass, and Raynolds Pass 710 PM MST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST SUNDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 6 inches, with up to 12 inches over mountain passes along the Idaho border. Winds gusting as high as 65 mph near the higher peaks. * WHERE...Elevations above 6500 feet in Beaverhead, Gallatin and Madison Counties. * WHEN...Until 11 PM MST Sunday. * IMPACTS...Travel could be difficult, especially over Chief Joseph, Raynolds, and Targhee Passes. Blowing snow could significantly reduce visibility at times. * ADDITIONAL DETAILS...This advisory does not include the cities of Bozeman, Dillon, or Ennis; in addition to Bozeman Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ014-048-121800- /O.CON.KTFX.WW.Y.0043.000000T0000Z-211212T1800Z/ Central and Southern Lewis and Clark-Southern Rocky Mountain Front- Including the following locations: Lincoln, Choteau, Bynum, Augusta, MacDonald Pass, Rogers Pass, and Flesher Pass 710 PM MST Sat Dec 11 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... * WHAT...Snow. Additional snow accumulations of 4 to 8 inches over Rogers Pass, with 8 to 16 inches in the mountains north of Montana Highway 200. Winds gusting as high as 65 mph. * WHERE...Lewis and Clark County and the Southern Rocky Mountain Front. * WHEN...Until 11 AM MST Sunday. * IMPACTS...Travel could be difficult, especially over Rogers Pass and on secondary roads along the immediate Rocky Mountain Front. Blowing snow could significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$
2 follow-up statements
309 WWUS45 KTFX 120921 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 221 AM MST Sun Dec 12 2021 MTZ009-121800- /O.CON.KTFX.WS.W.0006.000000T0000Z-211212T1800Z/ Northern Rocky Mountain Front- Including the following locations: Logan Pass, Heart Butte, Browning, and Marias Pass 221 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow and blowing snow. Additional snow accumulations of 2 to 4 inches, with up to 6 inches in the mountains. Winds gusting as high 25 to 40 mph. * WHERE...Northern Rocky Mountain Front. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be very difficult. Snow and blowing snow could reduce visibility below 1/2 mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ008-015-055-121800- /O.EXT.KTFX.WW.Y.0043.000000T0000Z-211214T1200Z/ Beaverhead-Madison-Gallatin- Including the following locations: Twin Bridges, West Yellowstone, Virginia City, Bozeman Pass, Raynolds Pass, Dillon, Big Hole Pass, Bozeman Apt, Chief Joseph Pass, Wisdom, Norris Hill, Wise River, Monida Pass, Battle Ridge Pass, Ennis, Targhee Pass, and City of Bozeman 221 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST TUESDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with up to 12 inches over mountain passes along the Idaho border. Winds gusting as high as 60 mph at times near the higher peaks. * WHERE...Beaverhead, Gallatin and Madison Counties. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Travel could be difficult, especially over Chief Joseph, Raynolds, and Targhee Passes. Blowing snow could significantly reduce visibility at times. * ADDITIONAL DETAILS...This advisory does not include the cities of Bozeman, Dillon, or Ennis; in addition to Bozeman Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ MTZ014-048-121800- /O.CON.KTFX.WW.Y.0043.000000T0000Z-211212T1800Z/ Central and Southern Lewis and Clark-Southern Rocky Mountain Front- Including the following locations: Lincoln, Choteau, Bynum, Augusta, MacDonald Pass, Rogers Pass, and Flesher Pass 221 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches, with higher amounts in the mountains. Winds gusting as high as 40 mph. * WHERE...Lewis and Clark County and the Southern Rocky Mountain Front. * WHEN...Until 11 AM MST this morning. * IMPACTS...Travel could be difficult, especially over Rogers Pass and on secondary roads along the immediate Rocky Mountain Front. Blowing snow could significantly reduce visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ RG
771 WWUS45 KTFX 121742 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 1042 AM MST Sun Dec 12 2021 MTZ009-121845- /O.EXP.KTFX.WS.W.0006.000000T0000Z-211212T1800Z/ Northern Rocky Mountain Front- Including the following locations: Logan Pass, Heart Butte, Browning, and Marias Pass 1042 AM MST Sun Dec 12 2021 ...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... Widespread snow and blowing snow has diminished so the Winter Storm Warning will be allowed to expire. However, periods of light snow with patchy blowing and drifting will continue into Monday. $$ MTZ014-048-121845- /O.EXP.KTFX.WW.Y.0043.000000T0000Z-211212T1800Z/ Central and Southern Lewis and Clark-Southern Rocky Mountain Front- Including the following locations: Lincoln, Choteau, Bynum, Augusta, MacDonald Pass, Rogers Pass, and Flesher Pass 1042 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING... Widespread snow and blowing snow has diminished so the Winter Weather Advisory will be allowed to expire. However, periods of light snow will continue into Monday. $$ MTZ008-015-055-131200- /O.CON.KTFX.WW.Y.0043.000000T0000Z-211214T1200Z/ Beaverhead-Madison-Gallatin- Including the following locations: Twin Bridges, West Yellowstone, Virginia City, Bozeman Pass, Raynolds Pass, Dillon, Big Hole Pass, Bozeman Apt, Chief Joseph Pass, Wisdom, Norris Hill, Wise River, Monida Pass, Battle Ridge Pass, Ennis, Targhee Pass, and City of Bozeman 1042 AM MST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST TUESDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 8 inches, with up to 12 inches over mountain passes along the Idaho border. Winds gusting as high as 60 mph at times near the higher peaks. * WHERE...Elevations above 6500 feet in Beaverhead, Gallatin and Madison Counties. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Travel could be difficult, especially over Chief Joseph, Raynolds, and Targhee Passes. Blowing snow could significantly reduce visibility at times. * ADDITIONAL DETAILS...This advisory does not include the cities of Bozeman, Dillon, or Ennis; in addition to Bozeman Pass. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1 or visiting the MDT Road Report website. && $$ mpj
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.