462
WGUS55 KBOI 160037
FFWBOI
IDC045-160230-
/O.NEW.KBOI.FF.W.0009.260816T0037Z-260816T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BOISE ID
637 PM MDT SAT AUG 15 2026
THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
THE LAVA FIRE BURN SCAR IN...
NORTHEASTERN GEM COUNTY IN SOUTHWESTERN IDAHO...
* UNTIL 830 PM MDT.
* AT 637 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN OVER THE LAVA FIRE BURN SCAR. BETWEEN 0.5 AND 1.7 INCHES
OF RAIN HAVE FALLEN. THE EXPECTED RAINFALL RATE IS 0.5 TO 1.25
INCHES IN 1 HOUR. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN
SHORTLY. EXCESSIVE RAINFALL OVER THE BURN SCAR WILL RESULT IN
DEBRIS FLOW. THE DEBRIS FLOW CAN CONSIST OF ROCK, MUD, VEGETATION
AND OTHER LOOSE MATERIALS.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS IN AND AROUND THE
LAVA FIRE BURN SCAR.
SOURCE...RADAR INDICATED.
IMPACT...FLOODING OF AREAS IN AND AROUND THE LAVA FIRE BURN SCAR.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
FOUR BIT SUMMIT.
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 LAVA FIRE 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.
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.
LAT...LON 4445 11629 4447 11626 4446 11624 4448 11623
4450 11620 4450 11615 4442 11615 4440 11620
4435 11622 4432 11626 4431 11633 4432 11634
4436 11633 4436 11634 4438 11633 4439 11632
4442 11632 4442 11631 4444 11630
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.5-1.25 INCHES IN 1 HOUR
LC
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