Flood Watch issued September 22 at 2:48PM HST until September 26 at
Affecting Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North
Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North
Possible impact zone; conditions develop through 4:00 PM.
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Read the original bulletin (official text)
A potential tropical cyclone is expected to bring heavy rain to the eastern end of the state over the coming days. The track of this potential storm is uncertain, but heavry rain is likely. * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Maui, Lanai, Molokai, The Big Island and Kahoolawe. * WHEN...From Wednesday afternoon through Saturday 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... - Heavy rain on the north side of a developing tropical system (the future Nolo) should develop Wednesday afternoon. Windward and southeast Big Island and windward Maui are the most likely to experience heavy rain. However, other islands in Maui County are at risk as well, and therefore are included in the watch. Very high rainfall rates, which can cause flash flooding, are possible within the entire watch area.
Get the next alert for your area before it matters.
Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™