Flood Advisory issued October 19 at 9:19AM ChST until October 19 at 12:15PM ChST by NWS Tiyan GU
Official severe-weather alerts, warning areas, and disaster updates.
expired · active · official-source
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Guam... * WHEN...Until 1215 PM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 919 AM ChST, Doppler radar indicated heavy rain due to thunderstorms. This is causing urban and small stream flooding. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 3 inches are expected over the area. This additional rain will result in minor 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 Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
- Event time
- Source last updated
- Current version retrieved
- Provider
- NWS — active weather alerts (Storm)
- Location
- GU, US
- Severity
- Minor
- area
- Guam, GU
- event
- Flood Advisory
- onset
- 2026-10-19T09:19:00+10:00
- states
- ["GU"]
- urgency
- Expected
- certainty
- Likely
- effective
- 2026-10-19T09:19:00+10:00
- message id
- urn:oid:2.49.0.1.840.0.8f7769ccf59b129fee2af606a5395af14b91683d.001.1
- references
- []
- instruction
- Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
- message type
- Alert
- freshness minutes
- 60
Source use policy · US government work (17 U.S.C. 105)
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Update history (1 recent revisions)
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