A trough moving over the state from west to east will bring abundant tropical moisture through at least Wednesday night. Heavy rain and isolated thunderstorms are expected to produce flash flooding, and while the greatest flood threat will be focused over Oahu and Maui County, all islands are at risk.
* WHAT...Flash flooding caused by excessive rainfall continues to be possible.
* WHERE...All main Hawaiian Islands.
* WHEN...Through late Wednesday night.
* IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain.
* ADDITIONAL DETAILS... - Heavy showers and isolated thunderstorms with intense rain rates may develop at any time through Wednesday night as a trough moves over the state from the west. While the greatest flood threat will be focused over Oahu and Maui County, all islands are at risk.