Headline:
Flash Flood Warning issued August 30 at 6:24PM ChST until August 30 at 7:00PM ChST by NWS Tiyan GU
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 30, 2026 - 1:24am
Expires:
August 30, 2026 - 2:00am
Description:
FFWGUM
The National Weather Service in Tiyan has extended the
* Flash Flood Warning for...
Central Guam...
* Until 700 PM ChST.
* At 624 PM ChST, Doppler radar indicated heavy rain across the
warned area. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar indicated.
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, Mangilao, Chalan Pago-Ordot, Barrigada,
Mongmong-Toto-Maite and Sinajana.
The area where flash flooding may occur has expanded slightly
northward into Dededo.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Move to higher ground now. Act quickly to protect your life.
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