Alert archive / Montana / Wind Advisories in 2020
Wind Advisory 4, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Mar 3, 2020, 2:23 PM MST for 10 counties in Montana. It took effect at Mar 3, 2020, 11:00 PM MST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Mar 3, 2020, 2:23 PM MST (21:23 UTC)
- In effect from
- Mar 3, 2020, 11:00 PM MST
- Expired
- Mar 4, 2020, 5:00 PM MST
- In force
- 18 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Lincoln County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 8 km from the middle of the area, began a volume at 21:28 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
Spokane, WA (KOTX), launched 12:00Z, 9.4 hours before the alert went out and 203 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
- 1164 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 369 m²/s²
- 0-3 km storm-relative helicity
- 329 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
366 WWUS75 KMSO 032123 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 223 PM MST Tue Mar 3 2020 MTZ001-003-041800- /O.NEW.KMSO.WI.Y.0004.200304T0600Z-200304T1800Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 223 PM MST Tue Mar 3 2020 ...WIND ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST WEDNESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 40 mph expected. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...From 11 PM this evening to 11 AM MST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ043-042130- /O.NEW.KMSO.WI.Y.0004.200304T1200Z-200305T0000Z/ Potomac/Seeley Lake Region- 223 PM MST Tue Mar 3 2020 ...WIND ADVISORY IN EFFECT FROM 5 AM TO 5 PM MST WEDNESDAY... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...From 5 AM to 5 PM MST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ005-042100- /O.NEW.KMSO.HW.A.0001.200304T1200Z-200304T2100Z/ Missoula/Bitterroot Valleys- 223 PM MST Tue Mar 3 2020 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From late tonight through Wednesday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ MTZ007-042130- /O.NEW.KMSO.HW.A.0001.200304T1200Z-200305T0000Z/ Butte/Blackfoot Region- 223 PM MST Tue Mar 3 2020 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...From late tonight through Wednesday afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
4 follow-up statements
011 WWUS75 KMSO 041038 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 338 AM MST Wed Mar 4 2020 MTZ007-050000- /O.UPG.KMSO.HW.A.0001.200304T1200Z-200305T0000Z/ /O.EXA.KMSO.WI.Y.0004.200304T1200Z-200305T0000Z/ Butte/Blackfoot Region- 338 AM MST Wed Mar 4 2020 ...WIND ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Isolated higher gusts are possible. Low visibility is also possible under heavier snow showers. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ001-003-042100- /O.EXT.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 338 AM MST Wed Mar 4 2020 ...WIND ADVISORY NOW IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph expected. Isolated higher gusts are possible. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ043-050000- /O.CON.KMSO.WI.Y.0004.200304T1200Z-200305T0000Z/ Potomac/Seeley Lake Region- 338 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Low visibility is possible under snow showers. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ005-042100- /O.CON.KMSO.HW.A.0001.200304T1200Z-200304T2100Z/ Missoula/Bitterroot Valleys- 338 AM MST Wed Mar 4 2020 ...HIGH WIND WATCH REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 60 mph possible. The strongest winds are possible in the northern Bitterroot Valley including Stevensville. Low visibility is possible under heavier snow showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
237 WWUS75 KMSO 041356 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 656 AM MST Wed Mar 4 2020 MTZ005-042100- /O.UPG.KMSO.HW.A.0001.000000T0000Z-200304T2100Z/ /O.EXA.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ Missoula/Bitterroot Valleys- 656 AM MST Wed Mar 4 2020 ...WIND ADVISORY IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 45 mph. The strongest winds will be in the northern Bitterroot Valley including Stevensville. Low visibility is possible under heavier snow showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ001-003-042100- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 656 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph expected. Isolated higher gusts are possible. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ043-050000- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200305T0000Z/ Potomac/Seeley Lake Region- 656 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Low visibility is possible under snow showers. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ007-050000- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200305T0000Z/ Butte/Blackfoot Region- 656 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Isolated higher gusts are possible. Low visibility is also possible under heavier snow showers. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
216 WWUS75 KMSO 041500 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 800 AM MST Wed Mar 4 2020 MTZ002-041800- /O.NEW.KMSO.HW.W.0003.200304T1500Z-200304T1800Z/ West Glacier Region- 800 AM MST Wed Mar 4 2020 ...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 55 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 11 AM MST this morning. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ MTZ001-003-042100- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 800 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph expected. Isolated higher gusts are possible. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ043-050000- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200305T0000Z/ Potomac/Seeley Lake Region- 800 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Low visibility is possible under snow showers. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ005-042100- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ Missoula/Bitterroot Valleys- 800 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 45 mph. The strongest winds will be in the northern Bitterroot Valley including Stevensville. Low visibility is possible under heavier snow showers. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ007-050000- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200305T0000Z/ Butte/Blackfoot Region- 800 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Isolated higher gusts are possible. Low visibility is also possible under heavier snow showers. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
200 WWUS75 KMSO 041806 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 1106 AM MST Wed Mar 4 2020 MTZ002-042100- /O.EXP.KMSO.HW.W.0003.000000T0000Z-200304T1800Z/ /O.EXA.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ West Glacier Region- 1106 AM MST Wed Mar 4 2020 ...WIND ADVISORY IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... ...HIGH WIND WARNING HAS EXPIRED... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ001-003-042100- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 1106 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...West winds 20 to 30 mph with gusts up to 40 mph. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ043-050000- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200305T0000Z/ Potomac/Seeley Lake Region- 1106 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph. * WHERE...Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ005-042100- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200304T2100Z/ Missoula/Bitterroot Valleys- 1106 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ007-050000- /O.CON.KMSO.WI.Y.0004.000000T0000Z-200305T0000Z/ Butte/Blackfoot Region- 1106 AM MST Wed Mar 4 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 2:23 PM MST | High Wind Watch | MSO | Deer Lodge, Granite, Missoula, Powell, Ravalli, Silver Bow | 17 hr |
| Mar 3, 2:26 PM MST | Winter Weather Advisory | MSO | Flathead, Granite, Lake, Mineral, Missoula, Ravalli and 1 more | 21 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.