965
WWUS83 KBIS 180159
SPSBIS
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
859 PM CDT SUN AUG 17 2025
NDZ001-009-180230-
DIVIDE ND-WILLIAMS ND-
859 PM CDT SUN AUG 17 2025
...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN WILLIAMS AND WESTERN
DIVIDE COUNTIES THROUGH 930 PM CDT...
AT 859 PM CDT, DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES NORTHEAST OF
FORTUNA TO NEAR HANKS CITY TO 5 MILES SOUTHWEST OF GRENORA. MOVEMENT
WAS EAST AT 10 MPH.
HAZARD...WIND GUSTS UP TO 40 MPH AND NICKEL 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...
GRENORA, WESTBY, FORTUNA, ALKABO, WRITING ROCK STATE HISTORICAL SITE,
HANKS CITY, ZAHL, AND HANKS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
LAT...LON 4900 10375 4893 10343 4872 10346 4850 10368
4859 10405 4889 10405 4900 10395
TIME...MOT...LOC 0159Z 274DEG 9KT 4900 10355 4862 10377 4858 10404
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
ADAM
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