508
WWUS83 KBIS 180901
SPSBIS
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
301 AM MDT MON AUG 18 2025
NDZ040-180930-
SLOPE ND-
301 AM MDT MON AUG 18 2025
...A STRONG THUNDERSTORM WILL IMPACT CENTRAL SLOPE COUNTY THROUGH 330
AM MDT...
AT 300 AM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9
MILES NORTHEAST OF MARMARTH, OR 21 MILES NORTHWEST OF BOWMAN, MOVING
NORTHEAST AT 30 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.
THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF CENTRAL SLOPE
COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.
LAT...LON 4662 10350 4638 10329 4628 10369 4628 10378
4640 10397
TIME...MOT...LOC 0900Z 240DEG 25KT 4636 10377
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
TELKEN
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