Special Weather Statement for Yellowstone National Park
Official alert fields
What you need to know
- Applies to
- Yellowstone National Park
- Effective
- Ended
- Official severity
- Moderate
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
At 617 PM MDT, Doppler radar was tracking a strong thunderstorm near Blacktail Pond, which is 8 miles southeast of Mammoth, moving east at 35 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...
What the bulletin says to do
If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. 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. Persons in campgrounds should consider seeking sturdy shelter until this storm passes.
Full official description
Bulletin details
At 617 PM MDT, Doppler radar was tracking a strong thunderstorm near Blacktail Pond, which is 8 miles southeast of Mammoth, moving east at 35 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. This strong thunderstorm will be near... Floating Island Lake around 620 PM MDT. Tower Junction around 625 PM MDT. Tower Falls around 630 PM MDT.
Lifecycle record
Official revisions
- Alert
Special Weather Statement issued August 23 at 6:17PM 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