Headline:
Severe Thunderstorm Warning issued June 29 at 8:04AM CDT until June 29 at 8:45AM CDT by NWS Aberdeen SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
June 29, 2026 - 6:04am
Expires:
June 29, 2026 - 6:45am
Description:
At 803 AM CDT, a severe thunderstorm was located over Groton, moving
northeast at 40 mph.
THIS IS A DESTRUCTIVE STORM FOR GROTON THROUGH ANDOVER, MOVING
NORTHEAST.
HAZARD...90 mph wind gusts and half dollar size hail.
SOURCE...Trained weather spotters.
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...
Langford and Newport Colony.
Instruction:
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Area Description:
Brown, SD; Day, SD; Marshall, SD; Spink, SD
Forcast Office:
NWS Aberdeen SD
Sender: