Weather advisory map via National Weather Service/NOAA

The National Weather Service in Honolulu has issued a flash flood watch for Hawaii Island through this afternoon.

An upper level trough over the state will create instability that will interact with the daytime heating and moisture. Heavy showers and thunderstorms capable of producing flash flooding will be possible today as a result.

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.

Debris in streams and gulches may clog bridges and culverts resulting in flooding outside normal water channels causing damage.

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

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