401
WWUS55 KBYZ 170220
SVSBYZ
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
820 PM MDT THU JUL 16 2026
MTC037-065-170300-
/O.CON.KBYZ.SV.W.0108.000000T0000Z-260717T0300Z/
GOLDEN VALLEY MT-MUSSELSHELL MT-
820 PM MDT THU JUL 16 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT FOR
EAST CENTRAL GOLDEN VALLEY AND SOUTHWESTERN MUSSELSHELL COUNTIES...
AT 820 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 12 MILES SOUTHWEST
OF ROUNDUP, MOVING EAST AT 20 MPH.
HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS.
SOURCE...TRAINED SPOTTERS REPORTED GOLF BALL SIZE HAIL AND 70 MPH
WINDS AROUND 710 PM, 15 MILES SOUTHWEST OF ROUNDUP.
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.
THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF EAST
CENTRAL GOLDEN VALLEY AND SOUTHWESTERN MUSSELSHELL COUNTIES.
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 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 4637 10886 4641 10869 4614 10840 4613 10840
4613 10872 4627 10886 4636 10889
TIME...MOT...LOC 0207Z 280DEG 16KT 4631 10876
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
MATOS
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