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Flash Flood Advisory for Hawaii Island Monday (Aug 17), some roadways closed

UPDATED 1:10 a.m. 8/18/15

Hawaii Police: Road Closure Update – Akoni Pule Highway at Kawaihae Harbor is now open.

Weather advisory map via National Weather Service/NOAA

Weather advisory map via National Weather Service/NOAA

7:20 p.m. Hawaii County Civil Defense flood advisory and road closure update.

The National Weather Service in Honolulu has issued a Flash Flood Advisory for Hawaii Island until midnight Monday (Aug 17).

At 8:54 p.m. weather radar showed areas of heavy rain developing near Kailua-Kona, the Hawaii Volcanoes National Park and Hawi. These areas of heavy rain were nearly stationary.

Currently heavy rains and some flooding conditions are being reported across areas of both east and west Hawaii. The current unstable weather conditions are likely to continue through tomorrow and result in periods of heavy rains across all parts of the island.

Some residents in the Kawaihae Village area are being affected by flood conditions and evacuated. An evacuation center has been opened by the Red Cross at the Waimea Community Center located at 65-1158 Mamalahoa Highway. Currently, Akoni Pule Highway is closed at the Kawaihae Harbor area and North Kohala traffic is being detoured through the Kohala Ranch Subdivision.

All other major highways are open at this time however motorists are advised to drive carefully and to be prepared for possible ponding, runoff, and other hazardous conditions as well as unexpected road closures and traffic delays. Due to dangerous flooding conditions the following roadways are closed at this time to all traffic:

  • Apelehama Road near the Kalopa State Park
  • Kupuna Road or Old School Road in Ahualoa
  • Hualalai Road near Guava Road in Kailua Kona

Please monitor your local radio broadcasts for additional updates.

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.

The advisory may be extended past midnight should heavy rains persist.

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

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