Headline:
Flood Watch issued August 23 at 3:22PM HST until August 24 at 6:00PM HST by NWS Honolulu HI
Event:
Flood Watch
Urgency:
Future
Effective:
August 23, 2026 - 6:22pm
Expires:
August 24, 2026 - 8:30am
Description:
Moisture on the northern periphery of Tropical Storm Moke expected
to bring areas of heavy rain to portions of the Big Island through
Monday afternoon.
* WHAT...Flash flooding caused by excessive rainfall is possible,
mainly for windward and southeast Big Island.
* WHERE...The Big Island.
* WHEN...Through Monday afternoon.
* 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...
- Moisture along the northern periphery of Tropical Storm Moke is
expected to bring periods of heavy rain to the Big Island through
Monday afternoon. Additional rainfall of 3 to 6 inches is
possible over the windward and southeast slopes of the Big
Island. It will not take a significant amount of rain to cause
flash flooding due to saturated grounds from recent heavy rain.
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North
Forcast Office:
NWS Honolulu HI
Sender:
w-nws.webmaster@noaa.gov