Alert archive / Montana / Wind Chill Advisories in 2021
Wind Chill Advisory 3, NWS Great Falls, MT
NWS Great Falls, MT issued this wind chill advisory at Feb 17, 2021, 1:21 PM MST. It took effect at Feb 18, 2021, 12:00 AM MST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2021, 1:21 PM MST (20:21 UTC)
- In effect from
- Feb 18, 2021, 12:00 AM MST
- Expired
- Feb 18, 2021, 9:00 AM MST
- In force
- 9 hr
- Issued by
- NWS Great Falls, MT
The text
As transmitted.
221 WWUS45 KTFX 172021 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 121 PM MST Wed Feb 17 2021 MTZ011-047-180830- /O.NEW.KTFX.WC.Y.0003.210218T0700Z-210218T1600Z/ Hill-Blaine- Including Havre, Rocky Boy, Rudyard, Chinook, Harlem, and Hays 121 PM MST Wed Feb 17 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. Lowest wind chills along and north of the Milk River Valley. * WHERE...Hill and Blaine. * WHEN...From midnight tonight to 9 AM MST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ MTZ015-053-055-180600- /O.CON.KTFX.WW.Y.0015.000000T0000Z-210218T0600Z/ Madison-Broadwater-Gallatin- Including Ennis, Norris Hill, Raynolds Pass, Twin Bridges, Virginia City, Toston, Townsend, Winston, Bozeman Apt, City of Bozeman, West Yellowstone, Battle Ridge Pass, Bozeman Pass, and Targhee Pass 121 PM MST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow occurring. Additional snow accumulations of up to 2 inches at most lower elevations, and 1 to 4 inches for mountain passes and higher elevations. * WHERE...Gallatin, Broadwater and Madison. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ MTZ012-050-054-180000- /O.CON.KTFX.WW.Y.0015.000000T0000Z-210218T0000Z/ Cascade-Judith Basin-Meagher- Including Great Falls, Cascade, Belt, Kings Hill Pass, Raynesford, Stanford, Hobson, Martinsdale, Deep Creek Pass, and White Sulphur Springs 121 PM MST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow occurring. Total snow accumulations of 1 to 3 inches. * WHERE...Cascade, Judith Basin and Meagher. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ http://www.weather.gov/greatfalls
5 follow-up statements
575 WWUS45 KTFX 172348 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 448 PM MST Wed Feb 17 2021 MTZ012-050-054-180100- /O.EXP.KTFX.WW.Y.0015.000000T0000Z-210218T0000Z/ Cascade-Judith Basin-Meagher- Including Great Falls, Cascade, Belt, Kings Hill Pass, Raynesford, Stanford, Hobson, Martinsdale, Deep Creek Pass, and White Sulphur Springs 448 PM MST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 PM MST THIS AFTERNOON... Other than a few isolated snow showers, snow has come to an end across the area. Roads may freeze up after sunset. $$ MTZ015-053-055-180600- /O.CON.KTFX.WW.Y.0015.000000T0000Z-210218T0600Z/ Madison-Broadwater-Gallatin- Including Ennis, Norris Hill, Raynolds Pass, Twin Bridges, Virginia City, Toston, Townsend, Winston, Bozeman Apt, City of Bozeman, West Yellowstone, Battle Ridge Pass, Bozeman Pass, and Targhee Pass 448 PM MST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow occurring. Additional snow accumulations of up to 2 inches at most lower elevations, and 1 to 4 inches for mountain passes and higher elevations. * WHERE...Gallatin, Broadwater and Madison. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ MTZ011-047-181200- /O.CON.KTFX.WC.Y.0003.210218T0700Z-210218T1600Z/ Hill-Blaine- Including Havre, Rocky Boy, Rudyard, Chinook, Harlem, and Hays 448 PM MST Wed Feb 17 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. Lowest wind chills along and north of the Milk River Valley. * WHERE...Hill and Blaine. * WHEN...From midnight tonight to 9 AM MST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ http://www.weather.gov/greatfalls
279 WWUS45 KTFX 180228 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 728 PM MST Wed Feb 17 2021 MTZ015-053-055-180330- /O.CAN.KTFX.WW.Y.0015.000000T0000Z-210218T0600Z/ Madison-Broadwater-Gallatin- 728 PM MST Wed Feb 17 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Snow has mostly tapered off to a few isolated snow showers. While a few brief periods of snow are still possible, any additional accumulations will be limited. Regardless, roads may become icy overnight as any snow that melted during the daytime refreezes. $$ MTZ011-047-181430- /O.CON.KTFX.WC.Y.0003.210218T0700Z-210218T1600Z/ Hill-Blaine- Including Havre, Rocky Boy, Rudyard, Chinook, Harlem, and Hays 728 PM MST Wed Feb 17 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MST THURSDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 25 below zero. Lowest wind chills along and north of the Milk River Valley. * WHERE...Hill and Blaine. * WHEN...From midnight tonight to 9 AM MST Thursday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ http://www.weather.gov/greatfalls
050 WWUS45 KTFX 181024 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 324 AM MST Thu Feb 18 2021 MTZ009-010-044-046-048-049-190000- /O.NEW.KTFX.WW.Y.0016.210219T1200Z-210220T0600Z/ Northern Rocky Mountain Front-Eastern Glacier-Toole- Eastern Pondera-Southern Rocky Mountain Front-Eastern Teton- Including Logan Pass, Browning, Heart Butte, Cut Bank, Shelby, Sunburst, Brady, Conrad, Bynum, Choteau, Augusta, Fairfield, and Dutton 324 AM MST Thu Feb 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY... * WHAT...Blowing snow expected. Winds gusting as high as 55 mph. * WHERE...Portions of north central Montana. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Widespread blowing snow could significantly reduce visibility. Drifting of snow onto roadways may also cause obstruction of driving lanes. Gusty winds could bring down tree branches as well. * ADDITIONAL DETAILS...Some areas closer to the Rocky Mountain Front may have near ground blizzard conditions at times, causing considerable variability in visibility. However, these whiteout conditions are not expected to be widespread at this time. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. To see a graphical representation of the degree of stress on young livestock, please visit our webpage and select Local Programs, then Cold Air Advisory for Newborn Livestock. && $$ MTZ050-190000- /O.NEW.KTFX.WW.Y.0016.210219T1200Z-210220T0600Z/ Judith Basin- Including Raynesford, Stanford, and Hobson 324 AM MST Thu Feb 18 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY... * WHAT...Blowing snow expected. Winds gusting as high as 40 mph. * WHERE...Judith Basin. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Areas of blowing snow could significantly reduce visibility. Drifting of snow onto roadways may also cause obstruction of driving lanes. Gusty winds could bring down tree branches as well. * ADDITIONAL DETAILS...Near whiteout conditions will be possible at times on US Highway 87 from Raynesford to Stanford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. To see a graphical representation of the degree of stress on young livestock, please visit our webpage and select Local Programs, then Cold Air Advisory for Newborn Livestock. && $$ MTZ051-181600- /O.EXA.KTFX.WC.Y.0003.000000T0000Z-210218T1600Z/ Fergus- Including Lewistown, Winifred, Lewistown Divide, and Grass Range 324 AM MST Thu Feb 18 2021 ...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Very cold wind chills occurring. Wind chills as low as 25 below zero. * WHERE...Fergus. * WHEN...Until 9 AM MST this morning. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ MTZ011-047-181600- /O.CON.KTFX.WC.Y.0003.000000T0000Z-210218T1600Z/ Hill-Blaine- Including Havre, Rocky Boy, Rudyard, Chinook, Harlem, and Hays 324 AM MST Thu Feb 18 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Very cold wind chills occurring. Wind chills as low as 25 below zero. * WHERE...Blaine and Hill. * WHEN...Until 9 AM MST this morning. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ http://www.weather.gov/greatfalls
643 WWUS45 KTFX 181150 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 450 AM MST Thu Feb 18 2021 MTZ009-010-044-046-048-049-190000- /O.CON.KTFX.WW.Y.0016.210219T1200Z-210220T0600Z/ Northern Rocky Mountain Front-Eastern Glacier-Toole- Eastern Pondera-Southern Rocky Mountain Front-Eastern Teton- Including Logan Pass, Browning, Heart Butte, Cut Bank, Shelby, Sunburst, Brady, Conrad, Bynum, Choteau, Augusta, Fairfield, and Dutton 450 AM MST Thu Feb 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY... * WHAT...Blowing snow expected. Winds gusting as high as 55 mph. * WHERE...Portions of north central Montana. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Widespread blowing snow could significantly reduce visibility. Drifting of snow onto roadways may also cause obstruction of driving lanes. Gusty winds could bring down tree branches as well. * ADDITIONAL DETAILS...Some areas closer to the Rocky Mountain Front may have near ground blizzard conditions at times, causing considerable variability in visibility. However, these whiteout conditions are not expected to be widespread at this time. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. To see a graphical representation of the degree of stress on young livestock, please visit our webpage and select Local Programs, then Cold Air Advisory for Newborn Livestock. && $$ MTZ050-190000- /O.CON.KTFX.WW.Y.0016.210219T1200Z-210220T0600Z/ Judith Basin- Including Raynesford, Stanford, and Hobson 450 AM MST Thu Feb 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY... * WHAT...Blowing snow expected. Winds gusting as high as 40 mph. * WHERE...Judith Basin. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Areas of blowing snow could significantly reduce visibility. Drifting of snow onto roadways may also cause obstruction of driving lanes. Gusty winds could bring down tree branches as well. * ADDITIONAL DETAILS...Near whiteout conditions will be possible at times on US Highway 87 from Raynesford to Stanford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. To see a graphical representation of the degree of stress on young livestock, please visit our webpage and select Local Programs, then Cold Air Advisory for Newborn Livestock. && $$ MTZ011-047-051-181600- /O.CON.KTFX.WC.Y.0003.000000T0000Z-210218T1600Z/ Hill-Blaine-Fergus- Including Havre, Rocky Boy, Rudyard, Chinook, Harlem, Hays, Lewistown, Winifred, Lewistown Divide, and Grass Range 450 AM MST Thu Feb 18 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * WHAT...Very cold wind chills occurring. Wind chills as low as 25 below zero. * WHERE...Blaine and Hill. * WHEN...Until 9 AM MST this morning. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ http://www.weather.gov/greatfalls
585 WWUS45 KTFX 181553 WSWTFX URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 853 AM MST Thu Feb 18 2021 MTZ011-047-051-181700- /O.EXP.KTFX.WC.Y.0003.000000T0000Z-210218T1600Z/ Hill-Blaine-Fergus- Including Havre, Rocky Boy, Rudyard, Chinook, Harlem, Hays, Lewistown, Winifred, Lewistown Divide, and Grass Range 853 AM MST Thu Feb 18 2021 ...WIND CHILL ADVISORY WILL EXPIRE AT 9 AM MST THIS MORNING... The Wind Chill Advisory will be allowed to expire at 9am this morning as temperatures and wind chill values continue to warm above advisory levels. While temperatures continue to warm this morning, you are still encouraged to take precautions to minimize the risk of frostbite by wearing extra layers, hats, and mittens. $$ MTZ009-010-044-046-048-049-191200- /O.CON.KTFX.WW.Y.0016.210219T1200Z-210220T0600Z/ Northern Rocky Mountain Front-Eastern Glacier-Toole- Eastern Pondera-Southern Rocky Mountain Front-Eastern Teton- Including Logan Pass, Browning, Heart Butte, Cut Bank, Shelby, Sunburst, Brady, Conrad, Bynum, Choteau, Augusta, Fairfield, and Dutton 853 AM MST Thu Feb 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY... * WHAT...Blowing snow expected. Winds gusting as high as 55 mph. * WHERE...Portions of north central Montana. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Widespread blowing snow could significantly reduce visibility. Drifting of snow onto roadways may also cause obstruction of driving lanes. Gusty winds could bring down tree branches as well. * ADDITIONAL DETAILS...Some areas closer to the Rocky Mountain Front may have near ground blizzard conditions at times, causing considerable variability in visibility. However, these whiteout conditions are not expected to be widespread at this time. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. To see a graphical representation of the degree of stress on young livestock, please visit our webpage and select Local Programs, then Cold Air Advisory for Newborn Livestock. && $$ MTZ050-191200- /O.CON.KTFX.WW.Y.0016.210219T1200Z-210220T0600Z/ Judith Basin- Including Raynesford, Stanford, and Hobson 853 AM MST Thu Feb 18 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY... * WHAT...Blowing snow expected. Winds gusting as high as 40 mph. * WHERE...Judith Basin. * WHEN...From 5 AM to 11 PM MST Friday. * IMPACTS...Areas of blowing snow could significantly reduce visibility. Drifting of snow onto roadways may also cause obstruction of driving lanes. Gusty winds could bring down tree branches as well. * ADDITIONAL DETAILS...Near whiteout conditions will be possible at times on US Highway 87 from Raynesford to Stanford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. To see a graphical representation of the degree of stress on young livestock, please visit our webpage and select Local Programs, then Cold Air Advisory for Newborn Livestock. && $$ http://www.weather.gov/greatfalls
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 7:46 AM MST | Special Weather Statement | TFX | Cascade | 119 min |
| Feb 17, 9:47 AM MST | Special Weather Statement | TFX | Cascade, Teton | 88 min |
Nearby
Wind Chill Advisories in Montana, 2021Every wind chill advisory 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.