858
WGUS55 KPIH 212328
FFWPIH
IDC013-220215-
/O.NEW.KPIH.FF.W.0042.230821T2328Z-230822T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
528 PM MDT MON AUG 21 2023
THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE ROSS FORK FIRE BURN AREA IN...
NORTHWESTERN BLAINE COUNTY IN CENTRAL IDAHO...
* UNTIL 815 PM MDT.
* AT 528 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN OVER THE ROSS FORK FIRE BURN AREA. BETWEEN 1.50 AND 2.5
INCHES OF RAIN HAVE FALLEN OVER THE LAST 36 HOURS. THE EXPECTED
RAINFALL RATE IS 0.33 TO 0.75 INCH IN 30 MINUTES. FLASH FLOODING
IS ONGOING OR EXPECTED TO BEGIN SHORTLY.
EXCESSIVE RAINFALL OVER THE BURN SCAR WILL RESULT IN DEBRIS FLOW
MOVING THROUGH THE ROSS FORK BURN SCAR. THE DEBRIS FLOW CAN CONSIST
OF ROCK, MUD, VEGETATION AND OTHER LOOSE MATERIALS.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS IN AND AROUND
THE ROSS FORK FIRE BURN AREA.
SOURCE...RADAR.
IMPACT...FLOODING OF AREAS IN AND AROUND THE ROSS FORK FIRE
BURN AREA.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
SMILEY CREEK AIRPORT.
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 ROSS FORK FIRE BURN AREA. 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 4393 11482 4392 11481 4390 11476 4387 11474
4384 11475 4381 11474 4379 11476 4380 11480
4379 11483 4379 11485 4381 11485 4382 11485
4383 11490 4385 11495 4385 11497 4386 11499
4390 11493 4391 11489 4394 11484
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1 INCH IN 1 HOUR
TW
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page