Special Weather Statement for Madison River Valley; Gallatin Valley; Gallatin and Madison County Mountains and Centennial Mountains
Official alert fields
What you need to know
- Applies to
- Gallatin Valley, Gallatin and Madison County Mountains and Centennial Mountains, Madison River Valley
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
At 442 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 17 miles south of Bozeman to 18 miles southeast of Ennis to 18 miles northwest of Henrys Lake. Movement was east at 25 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds...
What the bulletin says to do
If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. These storms may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. A Severe Thunderstorm Watch remains in effect until 700 PM MDT for south central and southwestern Montana.
Full official description
Bulletin details
At 442 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 17 miles south of Bozeman to 18 miles southeast of Ennis to 18 miles northwest of Henrys Lake. Movement was east at 25 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Big Sky and Yellowstone Village.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 23 at 4:43PM MDT by NWS Great Falls MT
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Great Falls 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