Alert: Flood Watch issued December 21 at 12:34PM HST until December 22 at 6:00PM HST by NWS Honolulu

…FLASH FLOOD WATCH FOR THE BIG ISLAND THROUGH TONIGHT…
…FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT…
* WHAT…Flash flooding caused by excessive rainfall is possible.
* WHERE…The Big Island.
* 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…
– Recent rainfall has produced nearly saturated conditions,
especially over windward slopes of the Big Island. A passing
upper disturbance is expected to produce additional heavy
showers and thunderstorms that could lead to flash flooding
this afternoon and tonight. The highest flood risk will be
across windward slopes, though heavy rainfall could effect
the entire island.

Instructions:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Counties:
Big Island East; Big Island Interior; Big Island North; Big Island South; Big Island Southeast; Kohala; Kona