Interactive NWS Alert

Radar valid at 830 am CDT, Aug 15th 2025

MNZ039-046-SDZ008-151330-
Traverse MN-Big Stone MN-Roberts SD-
755 AM CDT Fri Aug 15 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN TRAVERSE...
NORTHWESTERN BIG STONE AND CENTRAL ROBERTS COUNTIES THROUGH 830 AM
CDT...

At 754 AM CDT, Doppler radar was tracking a strong thunderstorm over
Lake Traverse Housing Units, or near Browns Valley, moving east at 25
mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.

Locations impacted include...
Browns Valley, Graceville, Beardsley, Dumont, Barry, Siloah Country
Church, Big Stone Colony, Yankeetown, Silver Bridge, Traverse Country
Park, Halls Landing, Lake Traverse, Lake Traverse Housing Units,
Rainbow Island, and Big Stone Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4551 9693 4578 9683 4577 9640 4541 9648
TIME...MOT...LOC 1254Z 274DEG 23KT 4564 9682

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.