Special Weather Statement for Teton and Gros Ventre Mountains; Jackson Hole
Official alert fields
What you need to know
- Applies to
- Jackson Hole, Teton and Gros Ventre Mountains
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
At 112 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 7 miles southwest of South Entrance to Grand Teton. Movement was northeast at 20 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs...
What the bulletin says to do
If outdoors, consider seeking shelter inside a building. If on or near lakes within Grand Teton National Park, 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. Persons in campgrounds should consider seeking sturdy shelter until these storms pass.
Full official description
Bulletin details
At 112 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 7 miles southwest of South Entrance to Grand Teton. Movement was northeast at 20 mph. HAZARD...Wind gusts up to 40 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. Strong thunderstorms will be near... Grand Teton, Moran Bay, and Leigh Lake around 115 PM MDT. Colter Bay Village around 125 PM MDT.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 15 at 1:13PM MDT by NWS Riverton WY
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Riverton WY. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected