Guam Severe Flash Flood Warning | Effective 08/05/2026 19:48
FFWGUM
The National Weather Service in Tiyan has issued a
* Flash Flood Warning for...
Guam...
* Until 145 PM ChST.
* At 1248 PM ChST, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 4 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas,