Headline:
Flash Flood Warning issued October 10 at 11:30AM ChST until October 10 at 12:30PM ChST by NWS Tiyan GU
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
October 9, 2026 - 6:30pm
Expires:
October 9, 2026 - 7:30pm
Description:
FFWGUM
The National Weather Service in Tiyan has issued a
* Flash Flood Warning for...
Central Guam...
* Until 1230 PM ChST.
* At 1130 AM ChST, trained weather spotters reported heavy rain
across the warned area. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Off-duty NWS Employee reported.
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...
Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada,
Hagatna Heights, Mongmong-Toto-Maite, Sinajana and Asan.
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