Headline:
Flood Advisory issued October 19 at 3:06PM ChST until October 19 at 6:00PM ChST by NWS Tiyan GU
Event:
Flood Advisory
Urgency:
Expected
Effective:
October 18, 2026 - 10:06pm
Expires:
October 19, 2026 - 1:00am
Description:
* WHAT...Urban area and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Guam...
* WHEN...Until 600 PM ChST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 304 PM ChST, Doppler radar indicated heavy rain due to heavy
showers and thunderstorms approaching from the south. This will
cause urban and small stream flooding, starting with southern
Guam.
- Some locations that will experience flooding include...
Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada,
Yona, Hagatna Heights, Andersen AFB, Talofofo,
Mongmong-Toto-Maite, Sinajana, Inarajan, Asan, Merizo, Piti,
Santa Rita and Umatac.
- http://www.weather.gov/safety/flood
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Area Description:
Guam, GU
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov