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Flash Flood Watch Extended For Big Island

/ Source: KHNL-TV

A flash flood watch for the Island of Hawaii was extended through 4 a.m. Saturday, while the watch for the island of Maui County was cancelled Friday afternoon.

The National Weather Service said an unstable atmosphere and plentiful moisture lingering near the Big Island will keep a risk for localized heavy downpours to develop through early Saturday morning, mainly over East Hawaii.

The tradewinds are expected to bring in a batch of moisture into the Hilo-side of the Big Island late Friday night into Saturday morning, when heavy downpours are possible.

Daytime heating acted as fuel for heavy showers to develop over West Hawaii Friday afternoon. Police reported no road closures, just some ponding, including Alii Drive in Kona. The rain tapered off just after sunset, when fuel for the downpours was lost.

The unstable air should clear the entire state by midday Saturday, which should take the threat of heavy rain and flash flooding with it.