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Active official alertUpdated

Flood Advisory for Guam, GU

Official alert fields

What you need to know

Applies to
Guam
Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: Urban area and small stream flooding caused by excessive rainfall is expected. Impacts: Minor flooding in low-lying and poor drainage areas. Water over roadways. Rises in small streams. Where: Guam... When: Until 700 AM ChST.

What the bulletin says to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.

Full official description

Bulletin details

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Guam... * WHEN...Until 700 AM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Rises in small streams. * ADDITIONAL DETAILS... At 440 AM ChST, Doppler radar indicated heavy rain due to heavy showers. This will likely cause urban and small stream flooding. Some locations that will experience flooding include... Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada, Yona, Hagatna Heights, Andersen AFB, Talofofo, Mongmong-Toto-Maite, Sinajana, Inarajan, Asan, Merizo, Piti, Santa Rita and Umatac. http://www.weather.gov/safety/flood

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Flood Advisory issued August 30 at 4:41AM ChST until August 30 at 7:00AM 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
Alert
Last collected
Methodology and corrections