Headline:
Flash Flood Warning issued August 30 at 7:35PM ChST until August 30 at 10:30PM ChST by NWS Tiyan GU
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
August 30, 2026 - 2:35am
Expires:
August 30, 2026 - 5:30am
Description:
FFWGUM
The National Weather Service in Tiyan has issued a
* Flash Flood Warning for...
Southwestern coasts of Guam...
* Until 1030 PM ChST.
* At 735 PM ChST, Doppler radar indicated heavy rain across the
warned area. Additional rainfall amounts of 2 to 3 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...
Merizo, Piti, Santa Rita and Umatac.
Apra Harbor and Naval Base Guam.
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