Alert archive / Montana / High Wind Warnings in 2020
High Wind Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this high wind warning at Jan 3, 2020, 8:21 AM MST for 4 counties in Montana. It took effect at Jan 4, 2020, 8:00 AM MST. It was in force for 11 hr. 12 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
- Jan 3, 2020, 8:21 AM MST (15:21 UTC)
- In effect from
- Jan 4, 2020, 8:00 AM MST
- Expired
- Jan 4, 2020, 7:11 PM MST
- In force
- 11 hr
- Issued by
- NWS Missoula, MT
Counties Flathead County, MT, Lake County, MT, Lincoln County, MT, Sanders County, MT
The radar
The Missoula radar (KMSX), 122 km from the middle of the area, began a volume at 15:22 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 |
|---|---|---|---|
| Jan 4, 12:00 PM MST | NON-TSTM WND GST 44 | 4 Se Essex, MT | MESONET STATION S11MT SHED 11. |
| Jan 4, 12:00 PM MST | NON-TSTM WND GST 49 | 5 Ene Blacktail - Railr, MT | MESONET STATION MRPMT MARIAS PASS. |
| Jan 4, 1:00 PM MST | NON-TSTM WND GST 48 | 2 Sw Blacktail - Railro, MT | MESONET STATION SH7MT SHED 7. |
| Jan 4, 1:00 PM MST | NON-TSTM WND GST 66 | 3 Wsw Blacktail - Railr, MT | MESONET STATION SNSLP 2.9 W BLACKTAIL - RAILROAD ID (GNP). |
| Jan 4, 1:06 PM MST | NON-TSTM WND GST 50 | 8 Ene Libby, MT | MESONET STATION ZONM8 ZONOLITE. |
| Jan 4, 1:09 PM MST | NON-TSTM WND GST 73 | 6 Wsw Trailcreek, MT | MESONET STATION CYFM8 HORNET MOUNTAIN. |
| Jan 4, 2:00 PM MST | NON-TSTM WND GST 51 | 6 E Lonepine, MT | MESONET STATION MTM57 5.7 E LONEPINE (MT-MESO). |
| Jan 4, 2:00 PM MST | NON-TSTM WND GST 52 | 6 N Whitefish, MT | MESONET STATION BIGMS 6.3 N WHITEFISH (GNP). |
| Jan 4, 2:02 PM MST | NON-TSTM WND GST 41 | 3 Ese Thompson Falls, MT | MESONET STATION THAM8 THOMPSON FALLS RAWS. |
| Jan 4, 2:11 PM MST | NON-TSTM WND GST 52 | Hungry Horse, MT | HUNGRY HORSE RAWS. |
| Jan 4, 2:42 PM MST | NON-TSTM WND GST 41 | 1 E Blacktail - Railroa, MT | MESONET STATION FIEM8 5 W MARIAS PASS. |
| Jan 4, 3:00 PM MST | NON-TSTM WND GST 52 | 5 Ene Lonepine, MT | MESONET STATION MTM58 4.8 E LONEPINE (MT-MESO). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 3.4 hours before the alert went out and 135 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
- 645 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 312 m²/s²
- 0-3 km storm-relative helicity
- 397 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
354 WWUS75 KMSO 031521 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 821 AM MST Fri Jan 3 2020 MTZ001-042100- /O.NEW.KMSO.HW.W.0001.200104T1500Z-200105T0600Z/ Kootenai/Cabinet Region- 821 AM MST Fri Jan 3 2020 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST SATURDAY... * WHAT...Southwest winds 30 to 40 mph with gusts up to 50 mph expected. Strongest winds will be along the Highway 93 corridor from Eureka to Whitefish. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * SNOW: Blowing snow will also be an issue in areas where snow is falling and combines with strong winds, creating very low visibility. Backcountry conditions will be hazardous. * WHEN...From 8 AM to 11 PM MST Saturday. * 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. && $$ MTZ002-042100- /O.NEW.KMSO.HW.W.0001.200104T1500Z-200105T0600Z/ West Glacier Region- 821 AM MST Fri Jan 3 2020 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 11 PM MST SATURDAY... * WHAT...Southwest winds 30 to 50 mph with gusts up to 65 mph expected. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * SNOW: Blowing snow will also be an issue in areas where snow is falling and combines with strong winds, creating very low visibility. Backcountry conditions will be hazardous. * WHEN...From 8 AM to 11 PM MST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ MTZ003-042100- /O.NEW.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Flathead/Mission Valleys- 821 AM MST Fri Jan 3 2020 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 11 PM MST SATURDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph expected. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * 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. && $$ MTZ004-043-042100- /O.NEW.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Lower Clark Fork Region-Potomac/Seeley Lake Region- 821 AM MST Fri Jan 3 2020 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 11 PM MST SATURDAY... * WHAT...West winds 35 to 45 mph with gusts up to 55 mph expected. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ005-006-042100- /O.NEW.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Missoula/Bitterroot Valleys-Bitterroot/Sapphire Mountains- 821 AM MST Fri Jan 3 2020 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 11 PM MST SATURDAY... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Bitterroot Valley, Missoula, Highway 93 Sula to Lost Trail Pass, and Lolo Pass. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * 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. && $$ MTZ007-042100- /O.NEW.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Butte/Blackfoot Region- 821 AM MST Fri Jan 3 2020 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 11 PM MST SATURDAY... * WHAT...West winds 35 to 45 mph with gusts up to 55 mph expected. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
2 follow-up statements
091 WWUS75 KMSO 041142 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 442 AM MST Sat Jan 4 2020 MTZ001-050600- /O.CON.KMSO.HW.W.0001.200104T1500Z-200105T0600Z/ Kootenai/Cabinet Region- 442 AM MST Sat Jan 4 2020 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST THIS EVENING... * WHAT...Southwest winds 30 to 40 mph with gusts up to 50 mph expected. Strongest winds will be along the Highway 93 corridor from Eureka to Whitefish. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Highway 2 Kalispell to Libby, Highway 37 Eureka to Libby, Highway 56 Bull Lake Road, and Highway 93 Eureka to Whitefish. * SNOW: Blowing snow will also be an issue in areas where snow is falling and combines with strong winds, creating very low visibility. Backcountry conditions will be hazardous. * WHEN...From 8 AM to 11 PM MST Saturday. * 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. && $$ MTZ002-050600- /O.CON.KMSO.HW.W.0001.200104T1500Z-200105T0600Z/ West Glacier Region- 442 AM MST Sat Jan 4 2020 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST THIS EVENING... * WHAT...Southwest winds 30 to 50 mph with gusts up to 65 mph expected. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, Marias Pass, and Polebridge. * SNOW: Blowing snow will also be an issue in areas where snow is falling and combines with strong winds, creating very low visibility. Backcountry conditions will be hazardous. * WHEN...From 8 AM to 11 PM MST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ MTZ003-050600- /O.CON.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Flathead/Mission Valleys- 442 AM MST Sat Jan 4 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST THIS EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 45 mph expected. Winds in high terrain will be in excess of 70 mph or higher at times. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * 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. && $$ MTZ004-043-050600- /O.CON.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Lower Clark Fork Region-Potomac/Seeley Lake Region- 442 AM MST Sat Jan 4 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST THIS EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 55 mph expected. Winds in high terrain will be in excess of 60 mph or higher at times. * WHERE...Evaro Hill, Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I-90 East Missoula to Bearmouth. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ005-006-050600- /O.CON.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Missoula/Bitterroot Valleys-Bitterroot/Sapphire Mountains- 442 AM MST Sat Jan 4 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST THIS EVENING... * WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. Winds gusting near 60 mph in the high terrain in the northern areas...near 50 mph in the southern mountains. * WHERE...Bitterroot Valley, Missoula, Highway 93 Sula to Lost Trail Pass, and Lolo Pass. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * 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. && $$ MTZ007-050600- /O.CON.KMSO.WI.Y.0001.200104T1500Z-200105T0600Z/ Butte/Blackfoot Region- 442 AM MST Sat Jan 4 2020 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 11 PM MST THIS EVENING... * WHAT...West winds 35 to 45 mph with gusts up to 55 mph expected. Winds in high terrain will be in excess of 60 mph or higher at times. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * SNOW: Snow showers will combine with gusty winds to create periods of low visibility. Backcountry conditions may become dangerous. * WHEN...From 8 AM to 11 PM MST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
048 WWUS75 KMSO 050211 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 711 PM MST Sat Jan 4 2020 MTZ001-002-050315- /O.CAN.KMSO.HW.W.0001.000000T0000Z-200105T0600Z/ Kootenai/Cabinet Region-West Glacier Region- 711 PM MST Sat Jan 4 2020 ...HIGH WIND WARNING IS CANCELLED... Winds are decreasing rapidly this evening, though some breezy conditions will continue for a while the high impact winds have ended. $$ MTZ003>007-043-050315- /O.CAN.KMSO.WI.Y.0001.000000T0000Z-200105T0600Z/ Flathead/Mission Valleys-Lower Clark Fork Region- Missoula/Bitterroot Valleys-Bitterroot/Sapphire Mountains- Butte/Blackfoot Region-Potomac/Seeley Lake Region- 711 PM MST Sat Jan 4 2020 ...WIND ADVISORY IS CANCELLED... Winds are decreasing rapidly this evening, though some breezy conditions will continue for a while the high impact winds have ended. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 3, 8:21 AM MST | Wind Advisory | MSO | Deer Lodge, Flathead, Granite, Lake, Mineral, Missoula and 4 more | 35 hr |
Nearby
High Wind Warnings in Montana, 2020Every high wind warning in 2020
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.