Headline:
Flood Advisory issued September 20 at 1:12PM ChST until September 20 at 2:15PM ChST by NWS Tiyan GU
Event:
Flood Advisory
Urgency:
Expected
Effective:
September 19, 2026 - 8:12pm
Expires:
September 19, 2026 - 9:15pm
Description:
* WHAT...Urban area and small stream flooding caused by excessive
rainfall continues.
* WHERE...Guam...
* WHEN...Until 215 PM ChST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 110 PM ChST, trained weather spotters reported heavy rain in
the advisory area due to thunderstorms. This will cause urban
and small stream flooding. Between 1.3 and 2 inches of rain have
fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Heavy rain is now isolated to central Guam but could extend to
the southern and northern regions later this afternoon.
- 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