274
WUUS55 KBYZ 080154
SVRBYZ
MTC017-087-080315-
/O.NEW.KBYZ.SV.W.0253.250808T0154Z-250808T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BILLINGS MT
754 PM MDT THU AUG 7 2025
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CUSTER COUNTY IN SOUTHEASTERN MONTANA...
NORTHERN ROSEBUD COUNTY IN SOUTHEASTERN MONTANA...
* UNTIL 915 PM MDT.
* AT 754 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM
43 MILES NORTH OF FORSYTH TO 20 MILES EAST OF FORSYTH, MOVING EAST
AT 60 MPH.
HAZARD...70 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...AT 745 PM, SWEENEY CREEK MT DOT STATION RECORDED A 69
MPH WIND GUST.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT
CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY
TO MOBILE HOMES, ROOFS, AND OUTBUILDINGS.
* LOCATIONS IMPACTED INCLUDE...
MILES CITY, FORSYTH, ROSEBUD, ISMAY, MATTHEWS RECREATION AREA,
STRAWBERRY HILL RECREATION AREA, TWELVE MILE DAM, MOON CREEK
RANCH, HATHAWAY, ANGELA, LOCATE, ROCK SPRINGS, MIZPAH,
CARTERSVILLE AND KNOWLTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OUTDOORS SHOULD MOVE TO SHELTER INSIDE A WELL-BUILT STRUCTURE
AND STAY AWAY FROM WINDOWS. THESE STORMS HAVE PRODUCED WIDESPREAD
DAMAGING WINDS AND ARE CAPABLE OF PRODUCING LARGE HAIL.
WIND DAMAGE WITH THESE STORMS WILL OCCUR BEFORE ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
LAT...LON 4608 10671 4637 10664 4654 10665 4686 10681
4683 10562 4666 10558 4666 10549 4660 10549
4660 10545 4657 10545 4654 10498 4657 10498
4657 10486 4661 10486 4661 10473 4648 10473
4648 10491 4614 10489 4614 10494 4602 10494
TIME...MOT...LOC 0154Z 256DEG 50KT 4687 10654 4657 10621 4635 10621
4617 10630
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
MATOS
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