736
WGUS55 KBOI 162317
FFWBOI
IDC003-045-085-087-170215-
/O.NEW.KBOI.FF.W.0007.240916T2317Z-240917T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Boise ID
517 PM MDT Mon Sep 16 2024

The National Weather Service in Boise has issued a

* Flash Flood Warning for...
  Southeastern Adams County in southwestern Idaho...
  Northeastern Gem County in southwestern Idaho...
  West Central Valley County in southwestern Idaho...
  Eastern Washington County in southwestern Idaho...

* Until 815 PM MDT.

* At 517 PM MDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 1.5 inches of
  rain have fallen. The expected rainfall rate is 1 to 1.5 inches in
  1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible
  in 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 Lava Fire 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.

* Locations that may experience flash flooding include...
  Four Bit Summit, Granite Peak, Sage Hen Reservoir, southern
  Cascade Reservoir, Granger Butte and Indian Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4457 11617 4457 11604 4433 11605 4431 11625
      4436 11639 4438 11645 4458 11646

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-1.5 INCHES IN 1 HOUR

$$

LC