936
WGUS55 KBYZ 190140
FFWBYZ
MTC037-097-190415-
/O.NEW.KBYZ.FF.W.0019.260919T0140Z-260919T0415Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BILLINGS MT
740 PM MDT FRI SEP 18 2026
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN GOLDEN VALLEY COUNTY IN CENTRAL MONTANA...
NORTHEASTERN SWEET GRASS COUNTY IN SOUTH CENTRAL MONTANA...
* UNTIL 1015 PM MDT.
* AT 740 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1 AND 2 INCHES OF RAIN
HAVE FALLEN. THE EXPECTED RAINFALL RATE IS 1 TO 2 INCHES PER HOUR.
FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR INDICATED.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, HIGHWAYS,
STREETS AND UNDERPASSES AS WELL AS OTHER POOR DRAINAGE AND
LOW-LYING AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MAINLY RURAL AREAS OF SOUTHWESTERN GOLDEN VALLEY AND NORTHEASTERN
SWEET GRASS COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES. DO NOT DRIVE ON OR ATTEMPT TO CROSS FLOODED
ROADS, FIND AN ALTERNATE ROUTE. ROADS AND DRIVEWAYS MAY BE DAMAGED OR
WASHED OUT IN PLACES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
LAT...LON 4621 10968 4621 10965 4614 10965 4613 10952
4616 10940 4613 10942 4601 10943 4597 10943
4596 10951 4588 10951 4588 10955 4598 10974
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
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