Flood Watch issued October 18 at 3:59PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU
Official severe-weather alerts, warning areas, and disaster updates.
expired · active · official-source
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - As Super Typhoon Champi (29W) continues to move west, away from the Marianas, outer bands around Champi will produce locally heavy rainfall tonight. Rota could receive 1 to 3 inches, and Guam might get 2 to 4 inches. - http://www.weather.gov/safety/flood You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
- Event time
- Source last updated
- Current version retrieved
- Provider
- NWS — active weather alerts (Storm)
- Location
- US
- Severity
- Severe
- area
- Guam; Rota
- event
- Flood Watch
- onset
- 2026-10-18T15:59:00+10:00
- states
- ["GU","MP"]
- urgency
- Future
- certainty
- Possible
- effective
- 2026-10-18T15:59:00+10:00
- message id
- urn:oid:2.49.0.1.840.0.a56cdf023271a7438c881266db8b934ca1078963.001.1
- references
- []
- instruction
- You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
- message type
- Alert
- location basis
- Approximate: centers of the NWS zones listed in the alert
- freshness minutes
- 60
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