Alert USA
weather NWS none September 11, 2026 at 3:53 AM

Flood Advisory

* WHAT...Flooding caused by excessive rainfall continues.

* WHERE...The island of Hawaii in Hawaii County...

* WHEN...Until 700 PM HST.

* IMPACTS...Minor flooding on roads, poor drainage areas, and in streams.

* ADDITIONAL DETAILS... - At 525 PM HST, Doppler radar indicated moderate to locally heavy rain over South Kona and Kau Districts. Rain rates have decreased, but some minor flooding impacts could be ongoing in the advisory area. Rain was falling at a rate of 0.5 to 1.0 inches per hour.

Flooding can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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