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Flash Flood Warning issued October 17 at 9:23PM ChST until October 18 at 3:30AM ChST by NWS Tiyan GU

8.0
13.4562°N, 144.7514°E
Started 7h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity8.0
Statusactive
Location13.4562°N, 144.7514°E
Started2026-10-17T09:28:00+00:00
Last Updated2026-10-17T17:00:50.253+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Zones — modeled
Catastrophic Impact Zone
Flash flooding or major flood stage. Immediate danger to life and property.
NWS polygon

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis

This event's zone is the NWS warning polygon. Population and structure estimates are not computed inside NWS polygons yet, so none are shown.

Historical Comparison
2013 GUAM County, GUAM Flood74% match

Flood in GUAM, 7km from current event, $500K in recorded damage

GUAM County, GUAMDamage: $500K
2013 GUAM County, GUAM Flood73% match

Flood in GUAM, 6km from current event, $200K in recorded damage

GUAM County, GUAMDamage: $200K
2024 GUAM County, GUAM Flash Flood69% match

Flash Flood in GUAM, 7km from current event, $3K in recorded damage

GUAM County, GUAMDamage: $3K

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

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Zone estimates are based on scientific models and may differ from actual local conditions.