The National Weather Service has issued a Flash Flood Warning for the windward side of the Big Island of Hawaii, and a Flood Advisory for West Hawaii. Currently (8:00 p.m.) the area of and surrounding Hilo is experiencing heavy rain, thunder and lightning. The image above shows the NWS radar at 8:05 p.m. HST

(Update) The National Weather Service has extended the Flash Flood Warning for Hawaii Island through 1:15 a.m. tomorrow morning – Monday, July 14th.

FLASH FLOOD WARNING

Heavy showers and thunderstorms continued to form and move ashore over the Big Island roughly from Laupahoehoe to South Point… Dropping rain at rates of one and a half to around two inches an hour. Earlier rain saturated the ground in places… Causing new precipitation to run off more quickly. The increased runoff kept streams running high. Honolii Stream in particular remained near flood stage.National Weather Service, on July 13, 2014 at 8:21 p.m. HST

FLASH FLOOD WARNING

The National Weather Service in Honolulu has issued a

* Flash Flood Warning for… The Island of Hawaii in Hawaii County

* until 10:30 p.m. HST

* at 7:18 p.m. HST… Rain gages at Kapapala Ranch and Pahala showed heavy rain falling at rates of 1.5 to 2.25 inches per hour near Wood Valley… Or about 34 miles southwest of Hilo. The area of heavy rain was nearly stationary. Additional showers continued to move ashore and form upslope from northwest of Hilo to South Point.

* other locations in the warning include but are not limited to Volcano… Pepeekeo… Papaikou… Pahoa… Ookala… Mountain View…Laupahoehoe… Keaau… Kapoho… Honomu… Hawaiian Paradise Park…Hawaiian Beaches… Hakalau and Glenwood.

Precautionary / preparedness actions…

A Flash Flood Warning means flash flooding is imminent or occurring in streams… Roads and low lying areas. Move to higher ground now.

Do not cross fast flowing or rising water in your vehicle or on foot. Turn around… Don/t drown.

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This Flash Flood Warning replaces the flood advisory that was in effect for the Island of Hawaii in Hawaii County.

This warning may need to be extended beyond 10:30 p.M. Hst if flash flooding persists.National Weather Service, on July 13, 2014 at 7:26 p.m. HST