939
WGUS85 KBOI 112209
FLSBOI
FLOOD ADVISORY
NATIONAL WEATHER SERVICE BOISE ID
409 PM MDT THU SEP 11 2025
IDC045-120115-
/O.NEW.KBOI.FA.Y.0011.250911T2209Z-250912T0115Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GEM ID-
409 PM MDT THU SEP 11 2025
..FLOOD ADVISORY IN EFFECT UNTIL 715 PM MDT THIS EVENING
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...A PORTION OF THE LAVE FIRE BURN SCAR IN GEM COUNTY.
* WHEN...UNTIL 715 PM MDT.
* IMPACTS...MINOR FLOODING OR MUD AND DEBRIS FLOWS ON STEEP SLOPES
AND IN LOW-LYING AREAS.
* ADDITIONAL DETAILS...
- AT 406 PM MDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN
SHORTLY IN THE ADVISORY AREA.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FOUR BIT SUMMIT.
- HTTPS://WWW.WEATHER.GOV/SAFETY/FLOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
MOVE AWAY FROM RECENTLY BURNED AREAS. LIFE-THREATENING FLOODING OF
CREEKS, ROADS AND NORMALLY DRY WASHES IS LIKELY. THE HEAVY RAINS
WILL LIKELY TRIGGER ROCKSLIDES, MUDSLIDES AND DEBRIS FLOWS IN STEEP
TERRAIN, ESPECIALLY IN AND AROUND THESE AREAS.
LAT...LON 4435 11633 4445 11629 4447 11626 4446 11624
4448 11623 4449 11621 4448 11615 4442 11615
4431 11624
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