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Weather Advisory Update # 3 for April 11th, 2019

As of 6:00 pm Hawaii Standard Time (HST), the Flood Advisory for Hawaii Island has since expired and conditions are slowly improving, however wet conditions are to continue for windward sides of Maui and Hawaii Island through this evening into tomorrow.

The National Weather Services reports the following advisories remain in effect:

FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON The Flash Flood Watch continues for - Maui and the Big Island. - Through Friday afternoon - A broad upper level low nearing the Big Island from the east will remain in the area through Friday. Cold air aloft and instability associated with this upper feature combined with plenty of moisture will lead to periods of heavy showers and thunderstorms. Rainfall will become heavy at times, potentially leading to flash flooding. Although most of the activity will focus over windward areas with the strong trades in place, heavy showers and thunderstorms will also remain possible across leeward areas. PRECAUTIONARY/PREPAREDNESS 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 later 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.

WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY - WINDS: Northeast 20 to 30 mph with localized gusts over 50 mph. - TIMING: through early Friday morning.

- 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 extreme 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 REMAINS IN EFFECT UNTIL 6 AM HST SATURDAY - WHAT: Snow and ice accumulation occurring. Plan on slippery road conditions. Additional snow accumulations of 1 to 3 inches are expected. - WHERE: Big Island Summits above 11500 feet. - WHEN: Until 6 AM Saturday. - ADDITIONAL DETAILS: Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS A Winter Weather Advisory for snow means periods of snow will cause travel difficulties. Be prepared for snow covered roads and limited visibilities, and use extreme caution while driving.

Mauna Kea Access Road at Hale Pohaku remains closed until further notice due to poor visibility and road conditions.

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