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Weather Advisory Update for April 13th, 2019



The National Weather Service has issued the flood advisory for:

The National Weather Service in Honolulu has issued a - Flood advisory for the island of Hawaii - Until 945 AM HST. - At 646 AM HST, radar indicated heavy rain along windward Big Island from Laupahoehoe to Hilo to Pahoa. Rain was falling at a rate of 1 to 2 inches per hour. - Locations in the advisory include but are not limited to: Hilo, Hawaiian Acres, Paauilo, Waipio Valley, Glenwood, Pepeekeo, Keaau, Hawaii Volcanoes National Park and Honokaa. PRECAUTIONARY/PREPAREDNESS ACTIONS Stay away from streams, drainage ditches and low lying areas prone to flooding. Rainfall and runoff will also cause hazardous driving conditions due to ponding, reduced visibility and poor braking action. Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don`t drown.

This advisory may need to be extended beyond 945 AM HST if heavy rain persists.


WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING - WINDS: Northeast 20 to 35 mph with localized gusts over 50 mph are expected across Lanai, Kahoolawe, the central valley and leeward west Maui and the South Kohala district of the Big Island. Winds will be strongest over and immediately downwind of mountains. Winds are expected to decrease late today. - TIMING: Through 6 PM HST this evening. - IMPACTS: Winds this strong could down tree branches and cause localized power outages. Motorists, especially those in high profile vehicles, are urged to drive with caution. PRECAUTIONARY/PREPAREDNESS ACTIONS A Wind Advisory means that sustained winds of at least 30 mph, or gusts of at least 50 mph, are expected. Motorists should use extra caution.

WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING

- WHAT: Snowfall occurring. Plan on slippery road conditions. Additional snow accumulations of up to 1 inch is expected. - WHERE: Big Island Summits above 12000 feet. - WHEN: Until 6 PM today. - ADDITIONAL DETAILS: Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS

A Winter Weather Advisory for snow and blowing snow means that visibilities will be limited due to a combination of falling and blowing snow. Use caution when traveling, especially in open areas.

Mauna Kea Access Road at Hale Pohaku remains closed to all traffic due to poor road conditions and snowfall happening at the summit of Maunakea.

Weather Synopsis


Breezy trade winds will continue through the weekend due to high pressure far to the northeast. An upper level trough will continue to enhance trade wind showers, particularly near Maui and the Big Island. Thunderstorms will remain a possibility over the southern end of the state through today. Drier conditions, along with weaker trade winds are expected by Monday.


24-Hour Rainfall Rates for Hawaii Island ending at 9:10 am Saturday Morning


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