Severe Thunderstorm Warning for Custer, SD; Pennington, SD
Official alert fields
What you need to know
- Applies to
- Custer, Pennington
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Observed
What is happening
At 512 PM MDT, a severe thunderstorm was located over Deerfield, or 16 miles west of Hill City, moving southeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Deerfield, Flag Mountain, Deerfield Reservoir, Medicine Mountain...
What the bulletin says to do
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail.
Full official description
Bulletin details
At 512 PM MDT, a severe thunderstorm was located over Deerfield, or 16 miles west of Hill City, moving southeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Deerfield, Flag Mountain, Deerfield Reservoir, Medicine Mountain and Bear Mountain Lookout.
Lifecycle record
Official revisions
- Update
Severe Thunderstorm Warning issued August 11 at 5:12PM MDT until August 11 at 6:00PM MDT by NWS Rapid City SD
Official revision - Alert
Severe Thunderstorm Warning issued August 11 at 5:06PM MDT until August 11 at 6:00PM MDT by NWS Rapid City SD
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Rapid City SD. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected