Big Island: Flash Flood Watch

Written by on October 12, 2018

 In effect through Saturday evening

The Flash Flood Watch continues for: Kahoolawe, Lanai, Maui, Molokai, Oahu and the Big Island through Saturday evening.

Green Indicates Watch Area

Deep tropical moisture will spread northward over central and
eastern islands today, with conditions becoming unstable as an
upper level trough approaches from the west. This is expected to
lead to the development of showers and thunderstorms from Oahu
eastward to the Big Island this afternoon, with the threat for
showers and thunderstorms continuing through Saturday evening.

Light winds will remain over the area during this time and this
will be supportive of slow moving showers and storms, which
could lead to heavy rainfall and flash flooding. The most likely
time frame for the heavy rainfall and potential flooding appears
to be during the afternoon and evening hours both today and

Recommended actions:

A Flash Flood Watch means that conditions are favorable for flash
flooding. Flash flooding is LIFE THREATENING. Do not cross fast
flowing water in your vehicle or on foot.
Monitor forecasts and be prepared to take action if a Flash
Flood Warning is issued. If you experience heavy rain or rising
water, head to higher ground immediately.

Current track