Guam Flash Flood Warning | Effective 04/13/2026 19:25
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
FFWGUM
The National Weather Service in Tiyan has issued a
* Flash Flood Warning for...<br />
Guam...
* Until 900 PM ChST Tuesday.
* At 1225 PM ChST, Doppler radar indicated heavy rain across the<br />
warned area. Between 2 and 4 inches of rain have fallen. The<br />
expected rainfall rate is 1 to 2 inches in 1 hour. Additional<br />
rainfall amounts of 2 to 4 inches are possible in the warned area.<br />
Flash flooding is ongoing or expected to begin shortly.