757
WGUS55 KMSO 292254
FFWMSO
IDC049-300100-
/O.NEW.KMSO.FF.W.0007.230829T2254Z-230830T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
454 PM MDT TUE AUG 29 2023
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* FLASH FLOOD WARNING FOR THE WILLIAMS CREEK FIRE BURN AREA...
CENTRAL IDAHO COUNTY IN CENTRAL IDAHO...
* UNTIL 700 PM MDT /600 PM PDT/.
* AT 454 PM MDT /354 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 WILLIAMS CREEK FIRE BURN AREA. 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.
* WILLIAMS CREEK BURN SCAR AND FIVE MILE CAMPGROUND
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 4575 11559 4573 11562 4570 11563 4566 11565
4564 11556 4565 11548 4568 11544 4576 11553
4575 11556
FLASH FLOOD...RADAR INDICATED
JK
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