838
WWUS85 KMSO 150008
SPSMSO
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
608 PM MDT SUN SEP 14 2025
MTZ006-007-043-150045-
BITTERROOT/SAPPHIRE MOUNTAINS MT-BUTTE/BLACKFOOT REGION MT-
POTOMAC/SEELEY LAKE REGION MT-
608 PM MDT SUN SEP 14 2025
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF SOUTHEASTERN
MISSOULA, NORTHEASTERN RAVALLI, NORTHERN GRANITE AND CENTRAL POWELL
COUNTIES THROUGH 645 PM MDT...
AT 607 PM MDT, DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG
THUNDERSTORMS 18 MILES SOUTHEAST OF BONNER-WEST RIVERSIDE, OR 20
MILES WEST OF DRUMMOND, MOVING NORTHEAST AT 35 MPH.
HAZARD...WIND GUSTS UP TO 50 MPH, HEAVY RAINFALL, FREQUENT
LIGHTNING, AND PEA SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND
UNSECURED OBJECTS. MINOR DAMAGE TO OUTDOOR OBJECTS IS
POSSIBLE. FLASH FLOODING MAY OCCUR NEAR AND BELOW STEEP
TERRAIN. PONDING ON ROADWAYS AND LOW-LYING AREAS IS
POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
DEER LODGE, DRUMMOND, PHILIPSBURG, OVANDO, BONNER-WEST RIVERSIDE,
GARRISON, SEELEY LAKE, NIMROD, FINN, JENS, BROCK CREEK, POTOMAC,
BEARMOUTH, QUIGLEY, TURAH, GARNET, HELMVILLE, GREENOUGH, MAXVILLE,
AND PRINCETON.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 90 BETWEEN MILE MARKERS 109 AND 180.
HIGHWAY 12 GARRISON TO MACDONALD PASS BETWEEN MILE MARKERS 0 AND 16.
HIGHWAY 83 BETWEEN MILE MARKERS 0 AND 27.
HIGHWAY 200 E BETWEEN MILE MARKERS 0 AND 63.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
THIS STORM MAY INTENSIFY, SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
LAT...LON 4623 11315 4672 11398 4737 11362 4700 11280
4683 11280 4683 11254 4670 11253 4670 11241
4666 11241 4665 11236
TIME...MOT...LOC 0007Z 205DEG 32KT 4671 11358
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
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