Severe · Flash Flood WarningThis alert has expired. It is kept for reference.

Flash Flood Warning issued October 2 at 9:45AM ChST until October 2

Affecting Guam, GU

In effect until: Oct 2, 2026, 12:45 AM

Guam, GU

Likely impact in Guam, GU; effects through 12:45 AM.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.

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FFWGUM

The National Weather Service in Tiyan has issued a

* Flash Flood Warning for...
Southwestern Guam...

* Until 1045 AM ChST.

* At 945 AM ChST, Doppler radar indicated heavy rain across the
warned area. Between 0.6 and 1.2 inches of rain have fallen.
Additional rainfall amounts of 2 to 4 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Talofofo, Inarajan, Merizo and Umatac.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flash Flood Warning issued October 2 at 9:45AM ChST until October 2

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