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Flood advisory extended for Hawaii Island until Monday (Sept 21)

Weather advisory map via National Weather Service/NOAA

Weather advisory map via National Weather Service/NOAA

The National Weather Service in Honolulu has extended the flood advisory for Hawaii Island until 1 a.m. Monday (Sept 21).

At 9:49 pm weather radar indicated continued heavy rain across the island that will cause minor flooding. The heavy rain was located over the windward and southeast portions of Hawaii Island but may spread to other areas of the island as well. Stream gages across the island remain elevated.

Locations in the advisory include but are not limited to, Hilo, Kailua-Kona, Hawaiian Paradise Park, Captain Cook, Kapaau, Honokaa, Kamuela and Honaunau.

Campers and hikers should avoid low lying flood prone areas. People should stay away from streams, drainage ditches and low lying areas prone to flooding. The rainfall and runoff will cause hazardous driving conditions due to ponding, reduced visibility and poor braking action. Excessive runoff may cause rockslides and mudslides in steep terrain.

Do not cross fast flowing or rising water in your vehicle or on foot. Turn around, don’t drown.

This advisory may be extended beyond 10 p.m. should heavy rains continue.

For links to the latest weather forecasts, reports, radar and satellite imagery visit our Weather Page at

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