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Flood Watch

Active

Niihau; Kauai Southwest; Kauai Mountains; Waianae Coast; Oahu North Shore

Starts
Ends
Issued
Severity Severe
Urgency Future
Certainty Possible

Details

A trough moving over the state will bring abundant tropical moisture today 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...From 6 AM HST this morning 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 are expected to develop today and continue through Wednesday night as a trough moves over the state. While the greatest flood threat will be focused over Oahu and Maui County, all islands are at risk.

Instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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Data from the National Weather Service
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