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West Hawaii Weather Advisory for March 14th, 2020

Notice Level: Precautionary (Information Statement Needed)

Line of Strong Thunderstorms and Heavy Rain moving to the southeast will affect the Kailua-Kona coastline. (See Post for Further Details)

Published By: HIRSC Team - Weather Unit/Hawaii Island (Kailua-Kona) Section


ALINE OF STRONG THUNDERSTORMS WILL AFFECT HAWAII IN HAWAII COUNTY... At 930 AM HST, radar indicated strong thunderstorms were located along a line extending from 8 miles west of Kalaoa to 10 miles west of Kailua-Kona. Movement was southeast at 15 mph.

Wind gusts up to 50 mph and nickel size hail are possible with these storms as they move onto the Kona Coast from Kailua-Kona south to Honaunau. Locations impacted include... Kailua-Kona, Captain Cook, Kealakekua, Honalo, Kalaoa, Honaunau, Kahaluu-Keauhou, Holualoa, Kainaliu and Kona International Airport. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle.


The National Weather Service in Honolulu has issued a * Special Marine Warning for... Big Island Leeward Waters... * Until 1015 AM HST. * At 911 AM HST, strong thunderstorms capable of producing waterspouts were located west of Kailau-Kona along a line extending from 6 nm south of FAD Buoy OT to 14 nm northwest of FAD Buoy F, moving east at 15 knots. HAZARD...Waterspouts and Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Honokohau Harbor, Keahole Point, FAD Buoy VV and FAD Buoy F. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

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