Special Weather Statement for Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Helena Valley
Official alert fields
What you need to know
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
At 146 PM MDT, Doppler radar was tracking a strong thunderstorm near Canyon Creek, moving east at 10 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible....
What the bulletin says to do
If outdoors, consider seeking shelter inside a building.
Full official description
Bulletin details
At 146 PM MDT, Doppler radar was tracking a strong thunderstorm near Canyon Creek, moving east at 10 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... Marysville and Canyon Creek.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 29 at 1:47PM 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