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At 12:31 p.m., radar and rain gages showed moderate to heavy rainfall continuing across the eastern slopes of the Big Island. Rainfall has also spread into the Ka‘u District as far as Naalehu. The highest rain rates were about one inch per hour. This rainfall is expected to continue into the afternoon.

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The National Weather Service in Honolulu has issued a Flash Flood Watch for the entire state of Hawaii from Thursday morning (April 19) through 6 p.m. Friday (April 20). The remnants of an old front lingering across the state in combination with an upper-level trough moving overhead will bring the threat for heavy rainfall and […]

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The National Weather Service in Honolulu has issued a Flash Flood Watch for the entire state of Hawaii from Thursday morning (April 19) through Friday afternoon. Deep moisture associated with an old frontal boundary lingering across the state in combination with an upper-level trough moving through the area, will bring the threat for heavy rainfall […]

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This is a Flash Flood Watch and High Surf Advisory for Saturday, April 14 at 7 a.m. The National Weather Service has issued a Flash Flood Watch for Hawaii Island. A Flash Flood Watch means conditions may develop that lead to flash flooding.

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The National Weather Service in Honolulu has issued a Flash Flood Watch for all Hawaii Islands in effect from this evening through Sunday afternoon (March 25). Department of Parks and Recreation reports all parks, including the Kalapana lava viewing area, will be closed Saturday.

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A winter storm warning remains in effect for the summits of Mauna Loa and Mauna Kea until 6 a.m. Thursday (Dec 21).

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This is a Flash Flood Warning update for Friday morning, December 1 at 10. The National Weather Service has been cancelled the Flash Flood Warning for the island of Hawaii. The Warning has been downgraded to a Flash Flood Watch. Flash Flood Watch means flooding is still possible, so stay on the alert.

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A Winter Weather Advisory is in effect for Hawaii Island summits until 6 a.m. Wednesday (Nov 29).

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The National Weather Service in Honolulu has issued a Flash Flood Watch for Hawaii Island from Monday evening (Nov 27) through Tuesday afternoon.

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The National Weather Service has extended the Winter Storm Watch for the summits of Hawaii Island. A Flash Flood Watch for Hawaii Island remains in effect through today.

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The National Weather Service in Honolulu has issued a Flash Flood Watch for all Hawaiian Island through late tonight (March 9). Flash flooding potential will remain high due to a combination of an upper disturbance over the region and plenty of lingering moisture and instability. Heavy downpours could cause streams to quickly overflow their banks […]

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A Winter Storm Warning is in effect for Hawaii Island summits through 6 a.m. Monday (Dec 5) for summits above 11,000 feet. Heavy snow, blowing and drifting snow, strong winds and low visibilities will exist on summits. An additional 6-12 inches of snow is forecast for today and tonight.

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A Flash Flood Watch remains in effect for Hawaii Island through Sunday afternoon (Dec 4). A Winter Storm Warning is in effect for Hawaii Island summits.

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The National Weather Service in Honolulu has extended a Flash Flood Warning for portions of Hawaii Island until 5:15 p.m. today (Dec 2).

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