113
WGUS55 KPIH 131758
FFWPIH
IDC051-065-132000-
/O.NEW.KPIH.FF.W.0005.260813T1758Z-260813T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
1158 AM MDT THU AUG 13 2026
THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE BIG ROCK BURN SCAR IN...
SOUTHEASTERN JEFFERSON COUNTY IN SOUTHEASTERN IDAHO...
SOUTH CENTRAL MADISON COUNTY IN SOUTHEASTERN IDAHO...
* UNTIL 200 PM MDT.
* AT 1158 AM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN OVER THE BIG ROCK BURN SCAR. FLASH FLOODING IS ONGOING
OR EXPECTED TO BEGIN SHORTLY. EXCESSIVE RAINFALL OVER THE BURN SCAR
WILL RESULT IN DEBRIS FLOW MOVING THROUGH THE BIG ROCK BURN SCAR.
THE DEBRIS FLOW CAN CONSIST OF ROCK, MUD, VEGETATION AND OTHER
LOOSE MATERIALS.
HAZARD...LIFE THREATENING FLASH FLOODING. THUNDERSTORMS PRODUCING
FLASH FLOODING IN AND AROUND THE BIG ROCK BURN SCAR.
SOURCE...RADAR INDICATED.
IMPACT...LIFE THREATENING FLASH FLOODING OF AREAS IN AND AROUND THE
BIG ROCK BURN SCAR.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
HEISE.
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 BIG ROCK 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 4366 11172 4367 11173 4368 11172 4366 11170
4366 11167 4367 11165 4365 11163 4364 11164
4364 11165 4363 11166 4363 11169 4364 11169
4365 11171
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
MCKAUGHAN
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