582
WGUS55 KMSO 170218
FFWMSO
IDC049-170500-
/O.NEW.KMSO.FF.W.0004.240917T0218Z-240917T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
818 PM MDT MON SEP 16 2024
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN IDAHO COUNTY IN CENTRAL IDAHO...
* UNTIL 1100 PM MDT /1000 PM PDT/.
* AT 818 PM MDT /718 PM PDT/, DOPPLER RADAR INDICATED THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS
ONGOING OR EXPECTED TO BEGIN SHORTLY.
EXCESSIVE RAINFALL OVER THE BURN SCAR WILL RESULT IN DEBRIS FLOW
MOVING THROUGH THE ELKHORN BURN SCAR. THE DEBRIS FLOW CAN CONSIST OF
ROCK, MUD, VEGETATION AND OTHER LOOSE MATERIALS.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN
AREAS, HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS
OTHER POOR DRAINAGE AND LOW-LYING AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A LIFE THREATENING SITUATION. HEAVY RAINFALL WILL CAUSE
EXTENSIVE AND SEVERE FLASH FLOODING OF CREEKS...STREAMS...AND
DITCHES IN THE BURN SCAR. SEVERE DEBRIS FLOWS CAN ALSO BE
ANTICIPATED ACROSS ROADS. ROADS AND DRIVEWAYS MAY BE WASHED AWAY IN
PLACES. IF YOU ENCOUNTER FLOOD WATERS...CLIMB TO SAFETY.
LAT...LON 4559 11517 4552 11522 4557 11530 4563 11525
FLASH FLOOD...RADAR INDICATED
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