086
WWUS53 KBIS 080256
SVSBIS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
956 PM CDT THU AUG 7 2025
NDC007-033-053-105-080315-
/O.CON.KBIS.SV.W.0228.000000T0000Z-250808T0315Z/
GOLDEN VALLEY ND-BILLINGS ND-MCKENZIE ND-WILLIAMS ND-
956 PM CDT THU AUG 7 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM
CDT/915 PM MDT/ FOR NORTHERN GOLDEN VALLEY...NORTHERN BILLINGS...
MCKENZIE AND SOUTH CENTRAL WILLIAMS COUNTIES...
AT 956 PM CDT/856 PM MDT/, SEVERE THUNDERSTORMS WERE LOCATED ALONG A
LINE EXTENDING FROM 8 MILES SOUTH OF WILLISTON TO 9 MILES SOUTH OF
ARNEGARD TO 6 MILES SOUTHEAST OF TROTTERS, MOVING EAST AT 45 MPH.
HAZARD...70 MPH WIND GUSTS AND PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT
CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO
MOBILE HOMES, ROOFS, AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
WATFORD CITY, ALEXANDER, ARNEGARD, GRASSY BUTTE, THEODORE ROOSEVELT
NATIONAL PARK NORTH UNIT, TROTTERS, FAIRFIELD, SATHER DAM, ELKHORN
STATE NATURAL AREA, TOBACCO GARDEN BAY RECREATION AREA, AND LEWIS
AND CLARK STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER, INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
LAT...LON 4805 10376 4811 10369 4811 10305 4780 10304
4767 10306 4767 10310 4738 10309 4718 10312
4720 10405 4762 10393
TIME...MOT...LOC 0256Z 267DEG 37KT 4805 10357 4768 10349 4725 10384
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
HOLLAN
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