Headline:
Flood Advisory issued August 19 at 5:10AM ChST until August 19 at 7:00AM ChST by NWS Tiyan GU
Event:
Flood Advisory
Urgency:
Expected
Effective:
August 18, 2026 - 12:10pm
Expires:
August 18, 2026 - 2:00pm
Description:
* WHAT...Urban area and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Guam...
* WHEN...Until 700 AM ChST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Rises in small streams.
* ADDITIONAL DETAILS...
- At 509 AM ChST, Doppler radar indicated heavy rain due to heavy
showers. This will cause urban and small stream flooding.
- 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