* WHAT...Possible flash flooding caused by excessive rainfall. * WHERE...Kauai, Niihau and Oahu. * WHEN...Through late tonight. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - A trough stalled over the western Hawaiian Islands today will continue to draw up more moisture rich southern latitude moisture across the islands of Kauai, Niihau and Oahu. Antecedent rain of between over 1 to 4 inches Sunday has saturated the ground and caused more swollen streams. Thus, it will not take as much rain to exacerbate minor flooding concerns today. Showers may become locally heavy at times with the slight chance for an isolated thunderstorm. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
