Headline:
Severe Thunderstorm Warning issued August 11 at 9:39PM CDT until August 11 at 10:00PM CDT by NWS Bismarck ND
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 7:39pm
Expires:
August 11, 2026 - 8:00pm
Description:
At 939 PM CDT /839 PM MDT/, a severe thunderstorm was located 9 miles
northeast of Heart Butte Dam, or 38 miles west of Mandan, moving east
at 25 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Heart Butte Dam.
Instruction:
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
Area Description:
Grant, ND; Morton, ND
Forcast Office:
NWS Bismarck ND
Sender:
w-nws.webmaster@noaa.gov