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Ended official alertUpdated

Flash Flood Warning for Guam, GU

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Applies to
Guam
Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

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...

What the bulletin says to do

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.

Full official description

Bulletin details

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.

Lifecycle record

Official revisions

2 captured
  1. Update

    Flash Flood Warning issued August 30 at 6:24PM ChST until August 30 at 7:00PM ChST by NWS Tiyan GU

    Official revision
  2. Alert

    Flash Flood Warning issued August 30 at 5:33PM ChST until August 30 at 6:30PM ChST by NWS Tiyan GU

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Tiyan GU. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections