Headline:
Flood Advisory issued July 22 at 2:06PM ChST until July 22 at 4:00PM ChST by NWS Tiyan GU
Event:
Flood Advisory
Urgency:
Expected
Effective:
July 21, 2026 - 9:06pm
Expires:
July 21, 2026 - 11:00pm
Description:
* WHAT...Urban area and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Northern Guam...
* WHEN...Until 400 PM ChST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Ponding of water in urban or other areas is
occurring or is imminent.
* ADDITIONAL DETAILS...
- At 205 PM ChST, Doppler radar and automated rain gauges indicated
heavy rain due to thunderstorms. This will cause urban and small
stream flooding. Between 0.5 and 1 inch of rain has fallen.
- Some locations that will experience flooding include...
Dededo, Tamuning, Yigo, Mangilao, Barrigada, Andersen AFB and
Mongmong-Toto-Maite.
- http://www.weather.gov/safety/flood
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Area Description:
Guam, GU
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov