647
WWUS55 KBYZ 170137
SVSBYZ
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
737 PM MDT THU JUL 16 2026
MTC037-065-170215-
/O.CON.KBYZ.SV.W.0107.000000T0000Z-260717T0215Z/
GOLDEN VALLEY MT-MUSSELSHELL MT-
737 PM MDT THU JUL 16 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT FOR
EAST CENTRAL GOLDEN VALLEY AND SOUTHWESTERN MUSSELSHELL COUNTIES...
AT 737 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 17 MILES EAST OF
RYEGATE, OR 18 MILES WEST OF ROUNDUP, MOVING SOUTHEAST AT 20 MPH.
HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS.
SOURCE...AT 725 PM, A MESONET STATION 7 MILES NORTH OF LAVINA RECORED
A WIND GUST TO 66 MPH.
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...
LAVINA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ANYONE OUTDOORS SHOULD MOVE TO SHELTER INSIDE A WELL-BUILT STRUCTURE
AND STAY AWAY FROM WINDOWS. THIS STORM HAS PRODUCED WIDESPREAD
DAMAGING WINDS AND IS CAPABLE OF PRODUCING DANGEROUS HAIL.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
LAT...LON 4631 10910 4646 10899 4644 10880 4637 10850
4616 10871
TIME...MOT...LOC 0132Z 295DEG 18KT 4636 10893
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
MATOS
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