Flash Flood Warning issued October 10 at 11:30AM ChST until October 10 at 12:30PM ChST by NWS Tiyan GU
Official severe-weather alerts, warning areas, and disaster updates.
expired · active · official-source
FFWGUM The National Weather Service in Tiyan has issued a * Flash Flood Warning for... Central Guam... * Until 1230 PM ChST. * At 1130 AM ChST, trained weather spotters reported heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Off-duty NWS Employee reported. 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, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada, Hagatna Heights, Mongmong-Toto-Maite, Sinajana and Asan. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
- Event time
- Source last updated
- Retrieved by TradePilot
- Provider
- NWS — active weather alerts (Storm)
- Location
- GU, US
- Severity
- Severe
- area
- Guam, GU
- event
- Flash Flood Warning
- onset
- 2026-10-10T11:30:00+10:00
- states
- ["GU"]
- urgency
- Immediate
- certainty
- Likely
- effective
- 2026-10-10T11:30:00+10:00
- message id
- urn:oid:2.49.0.1.840.0.8dcb915bc24e66944ea5a9519476616de353cc17.001.1
- references
- []
- instruction
- Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
- message type
- Alert
- freshness minutes
- 60
Source use policy · US government work (17 U.S.C. 105)
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