Special Weather Statement for West Glacier Region; Flathead/Mission Valleys; Potomac/Seeley Lake Region
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
At 810 AM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 9 miles west of Big Arm to 24 miles northwest of Seeley Lake, or extending from 16 miles northwest of Polson to 28 miles southeast of Polson, moving northeast at 50 mph. HAZARD...Wind gusts up to 30 mph and frequent lightning....
What the bulletin says to do
Monitor the weather situation closely and be alert for threatening weather conditions. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. If on or near Flathead Lake, get out of the water and move indoors or inside a vehicle. Remember, lightning can strike out to 10 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm.
Full official description
Bulletin details
At 810 AM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 9 miles west of Big Arm to 24 miles northwest of Seeley Lake, or extending from 16 miles northwest of Polson to 28 miles southeast of Polson, moving northeast at 50 mph. HAZARD...Wind gusts up to 30 mph and frequent lightning. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Polson, Ronan, Swan Lake, Turtle Lake, Woods Bay, Kings Point, Rocky Point, Pablo, Jette, Bigfork, Kerr, Big Arm, Finley Point, Salmon Prairie, Rollins, Condon, Dayton, Lakeside and Proctor.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 23 at 8:10AM MDT by NWS Missoula MT
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Missoula MT. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected