Alert archive / Montana / Wind Advisories in 2019
Wind Advisory 7, NWS Missoula, MT
NWS Missoula, MT issued this wind advisory at Oct 7, 2019, 2:23 PM MDT for 4 counties in Montana. It took effect at Oct 8, 2019, 2:00 PM MDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Oct 7, 2019, 2:23 PM MDT (20:23 UTC)
- In effect from
- Oct 8, 2019, 2:00 PM MDT
- Expired
- Oct 9, 2019, 2:25 AM MDT
- In force
- 12 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 20:26 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, 8.4 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
- 2113 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
070 WWUS75 KMSO 072023 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 223 PM MDT Mon Oct 7 2019 MTZ001-003-082030- /O.NEW.KMSO.WI.Y.0007.191008T2000Z-191009T1500Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 223 PM MDT Mon Oct 7 2019 ...WIND ADVISORY IN EFFECT FROM 2 PM TUESDAY TO 9 AM MDT WEDNESDAY... * WHAT...Northeast winds 20 to 35 mph with gusts up to 45 mph expected. Isolated gusts to 50 mph are possible at Badrock Canyon, Yellow Bay on Flathead Lake and between Eureka and Whitefish along Highway 93 and from Lake Blaine to Swan lake. * Snow...1 to 2 inches are possible in Yaak, Marion. Expect a dusting to an inch elsewhere. * WHERE...Highway 2 Kalispell to Happy's Inn, Highway 37 Eureka to Libby, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley to Polson. * WHEN...From 2 PM Tuesday to 9 AM MDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Roadways that receive accumulating snow could be slick Tuesday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
3 follow-up statements
594 WWUS75 KMSO 072100 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 300 PM MDT Mon Oct 7 2019 MTZ001-003-082100- /O.CON.KMSO.WI.Y.0007.191008T2000Z-191009T1500Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 300 PM MDT Mon Oct 7 2019 ...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM TUESDAY TO 9 AM MDT WEDNESDAY... * WHAT...Northeast winds 20 to 35 mph with gusts up to 45 mph expected. Isolated gusts to 50 mph are possible at Badrock Canyon, Yellow Bay on Flathead Lake, between Eureka and Whitefish along Highway 93, and from Lake Blaine to Swan lake. * Snow...1 to 2 inches are possible in Yaak and Marion. Expect a dusting to an inch elsewhere. * Flathead Lake waves...4 to 6 feet. * WHERE...Highway 2 Kalispell to Happy's Inn, Highway 37 Eureka to Libby, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley to Polson. * WHEN...From 2 PM Tuesday to 9 AM MDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Roadways that receive accumulating snow could be slick Tuesday night. Choppy waves could cause minor dock damage on the west side of Flathead Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
037 WWUS75 KMSO 082008 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 208 PM MDT Tue Oct 8 2019 MTZ001-003-091500- /O.CON.KMSO.WI.Y.0007.000000T0000Z-191009T1500Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 208 PM MDT Tue Oct 8 2019 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT WEDNESDAY... * WHAT...Northeast winds 20 to 35 mph with gusts up to 45 mph expected. Isolated gusts to 50 mph are possible at Badrock Canyon, Yellow Bay on Flathead Lake, between Eureka and Whitefish along Highway 93, and from Lake Blaine to Swan lake. * Snow...1 to 2 inches are possible in Yaak, Eureka and Marion. Expect a dusting to an inch elsewhere. * Flathead Lake waves...4 to 6 feet. * WHERE...Highway 2 Kalispell to Happy's Inn, Highway 37 Eureka to Libby, Highway 93 Eureka to Whitefish, Flathead Lake, Flathead Valley to Polson. * WHEN...From 2 PM Tuesday to 9 AM MDT Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Roadways that receive accumulating snow could be slick Tuesday night. Choppy waves could cause minor dock damage on the west side of Flathead Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
495 WWUS75 KMSO 090825 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 225 AM MDT Wed Oct 9 2019 MTZ001-003-090930- /O.CAN.KMSO.WI.Y.0007.000000T0000Z-191009T1500Z/ Kootenai/Cabinet Region-Flathead/Mission Valleys- 225 AM MDT Wed Oct 9 2019 ...WIND ADVISORY IS CANCELLED... Breezy northeast winds will continue through the morning hours with gusts up to 30 mph being possible in wind favored locations, such as Badrock Canyon and eastern portions of Flathead Lake. $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 7, 2:55 PM MDT | Winter Storm Warning | MSO | Deer Lodge, Granite, Powell, Silver Bow | 44 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.