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Ended official alertUpdated

Special Weather Statement for Big Belt, Bridger and Castle Mountains; Canyon Ferry Area; Missouri Headwaters +3 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
Official severity
Moderate
Official urgency
Expected
Official certainty
Observed

What is happening

At 428 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles east of Harrison, or 23 miles west of Bozeman, moving northeast at 35 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...

What the bulletin says to do

If outdoors, consider seeking shelter inside a building. 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. This storm 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 1000 PM MDT for south central and southwestern Montana.

Full official description

Bulletin details

At 428 PM MDT, Doppler radar was tracking a strong thunderstorm 12 miles east of Harrison, or 23 miles west of Bozeman, moving northeast at 35 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... Three Forks, Manhattan, Toston, Logan, Maudlow, Amsterdam, Trident, Church Hill, Menard, Madison Buffalo Jump State Park, and Missouri Headwaters State Park.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Weather Statement issued July 25 at 4:29PM 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.

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Actual
Message type
Alert
Last collected
Methodology and corrections