440
WGUS55 KTFX 010126
FFWTFX
MTC007-049-010600-
/O.NEW.KTFX.FF.W.0003.250801T0126Z-250801T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREAT FALLS MT
726 PM MDT THU JUL 31 2025
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE HORSE GULCH BURN SCAR IN...
NORTHWESTERN BROADWATER COUNTY IN SOUTHWESTERN MONTANA...
SOUTHEASTERN LEWIS AND CLARK COUNTY IN WEST CENTRAL MONTANA...
* UNTIL MIDNIGHT MDT TONIGHT.
* AT 726 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN OVER THE HORSE GULCH BURN SCAR. THE EXPECTED RAINFALL
RATE IS 2 INCHES IN 1 HOUR. FLASH FLOODING IS ONGOING OR EXPECTED
TO BEGIN SHORTLY.
EXCESSIVE RAINFALL OVER THE BURN SCAR WILL RESULT IN DEBRIS FLOW
MOVING THROUGH THE SOME DRAINAGE BASINS IMPACTED INCLUDE... THE
DEBRIS FLOW CAN CONSIST OF ROCK, MUD, VEGETATION AND OTHER LOOSE
MATERIALS.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS IN AND AROUND
THE HORSE GULCH BURN SCAR.
SOURCE...RADAR.
IMPACT...FLOODING OF AREAS IN AND AROUND THE HORSE GULCH BURN
SCAR.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MAINLY RURAL AREAS OF NORTHWESTERN BROADWATER AND SOUTHEASTERN
LEWIS AND CLARK COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A LIFE-THREATENING SITUATION...
MOVE AWAY FROM RECENTLY BURNED AREAS. LIFE-THREATENING FLOODING OF
CREEKS, ROADS AND NORMALLY DRY ARROYOS IS LIKELY. THE HEAVY RAINS
WILL LIKELY TRIGGER ROCKSLIDES, MUDSLIDES AND DEBRIS FLOWS IN STEEP
TERRAIN, ESPECIALLY IN AND AROUND THESE AREAS.
LAT...LON 4670 11173 4670 11172 4671 11169 4673 11167
4672 11164 4671 11161 4670 11161 4669 11159
4668 11160 4666 11160 4665 11161 4665 11163
4665 11164 4667 11169 4667 11172 4666 11173
4668 11174 4669 11174
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...2 INCHES IN 1 HOUR
LUDWIG
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