Severe Thunderstorm Warning for Jackson, SD
Official alert fields
What you need to know
- Applies to
- Jackson
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Observed
What is happening
At 935 PM MDT, a severe thunderstorm was located 7 miles southeast of Cactus Flat, or 17 miles west of Kadoka, moving southeast at 35 mph. THIS IS A DESTRUCTIVE STORM FOR COTTONWOOD. HAZARD...90 mph wind gusts and half dollar size hail. SOURCE...Automated observations. IMPACT...You are in a life-threatening...
What the bulletin says to do
Seek shelter now inside an interior room on the lowest floor of a well-built structure. This storm has produced widespread destructive winds and is capable of producing large hail. Continuous cloud to ground lightning is occurring with this storm. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
Full official description
Bulletin details
At 935 PM MDT, a severe thunderstorm was located 7 miles southeast of Cactus Flat, or 17 miles west of Kadoka, moving southeast at 35 mph. THIS IS A DESTRUCTIVE STORM FOR COTTONWOOD. HAZARD...90 mph wind gusts and half dollar size hail. SOURCE...Automated observations. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be heavily damaged or destroyed. Homes and businesses will have substantial roof and window damage. Expect extensive tree damage and power outages. Locations impacted include... Interior, Cactus Flat, Cedar Pass, Cottonwood, Minuteman Missile Visitors Center and Delta 1 Launch Facility. This includes Interstate 90 in South Dakota between Mile Markers 126 and 146.
Lifecycle record
Official revisions
- Update
Severe Thunderstorm Warning issued August 11 at 9:35PM MDT until August 11 at 9:45PM MDT by NWS Rapid City SD
Official revision - Update
Severe Thunderstorm Warning issued August 11 at 9:23PM MDT until August 11 at 9:45PM MDT by NWS Rapid City SD
Official revision - Update
Severe Thunderstorm Warning issued August 11 at 9:03PM MDT until August 11 at 9:45PM MDT by NWS Rapid City SD
Official revision - Update
Severe Thunderstorm Warning issued August 11 at 8:49PM MDT until August 11 at 9:45PM MDT by NWS Rapid City SD
Official revision - Update
Severe Thunderstorm Warning issued August 11 at 8:47PM MDT until August 11 at 9:45PM 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.
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