Alert archive / Montana / Wind Advisories in 2022
Wind Advisory 2, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Apr 5, 2022, 3:43 AM MDT for 9 counties in Montana. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Apr 5, 2022, 3:43 AM MDT (09:43 UTC)
- Expired
- Apr 5, 2022, 9:00 PM MDT
- In force
- 17 hr
- Issued by
- NWS Missoula, MT
Counties Deer Lodge County, MT, Flathead County, MT, Granite County, MT, Lake County, MT, Missoula County, MT, Powell County, MT, Ravalli County, MT, Sanders County, MT, Silver Bow County, MT
The radar
The Missoula radar (KMSX), 27 km from the middle of the area, began a volume at 09:46 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 00:00Z, 9.7 hours before the alert went out and 222 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
- 8 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 2120 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
038 WWUS75 KMSO 050943 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 343 AM MDT Tue Apr 5 2022 MTZ005-060300- /O.CAN.KMSO.HW.W.0001.000000T0000Z-220405T1200Z/ /O.NEW.KMSO.WI.Y.0002.220405T0943Z-220406T0300Z/ Missoula/Bitterroot Valleys- 343 AM MDT Tue Apr 5 2022 ...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...HIGH WIND WARNING IS CANCELLED... * WHAT...West winds 25 to 35 mph with gusts up to 45 mph. * WHERE...Missoula/Bitterroot Valleys. * WHEN...Until 9 PM MDT this evening. * 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. && $$ MTZ007-060300- /O.CAN.KMSO.HW.W.0001.000000T0000Z-220406T0000Z/ /O.NEW.KMSO.WI.Y.0002.220405T0943Z-220406T0300Z/ Butte/Blackfoot Region- 343 AM MDT Tue Apr 5 2022 ...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...HIGH WIND WARNING IS CANCELLED... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Snow squalls are possible by this evening and could result in a few gusts above 50 mph and low visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MTZ002-006-051045- /O.CAN.KMSO.HW.W.0001.000000T0000Z-220405T1200Z/ West Glacier Region-Bitterroot/Sapphire Mountains- 343 AM MDT Tue Apr 5 2022 ...HIGH WIND WARNING IS CANCELLED... Gusty winds will continue today, but are expected to remain below 50 mph. $$ MTZ003-060300- /O.NEW.KMSO.WI.Y.0002.220405T0943Z-220406T0300Z/ Flathead/Mission Valleys- 343 AM MDT Tue Apr 5 2022 ...WIND ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...West winds 15 to 25 mph with gusts up to 35 mph. * WHERE...Flathead Lake, Flathead Valley, Mission Valley, and Polson. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Choppy conditions are expected on Flathead Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 4, 7:57 PM MDT | Snow Squall Warning | MSO | Missoula | 33 min |
| Apr 4, 8:16 PM MDT | Snow Squall Warning | MSO | Granite, Missoula, Powell | 44 min |
| Apr 4, 10:44 PM MDT | Special Weather Statement | MSO | Missoula | 46 min |
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.