HONOLULU (KHON2) — Portions of the state may see heavy rain that triggers flood advisories on Wednesday.
Flood advisories are in effect for both Maui and the Big Island. Excessive rainfall may cause minor flooding on roads, poor drainage areas and in streams.
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The flood advisory for Maui is in effect until 4:30 p.m.
Just before 1:30 p.m., the National Weather Service (NWS) indicated heavy rain over Upcountry Maui and the West Maui Mountains falling at rates of 1 to 2 inches per hour. Additional heavy showers will persist over upcountry areas through the afternoon, and rain falling over interior west Maui may lead to rises in streams, even in areas where no rain is occurring.
Some locations that will experience flooding include Kahului, Kihei, Lahaina, Puunene, Maalaea, Waikapu, Wailuku, Waiehu, Waihee, Paia, Haliimaile, Pukalani, Makawao, Olowalu, Kula, Wailea, Keokea, Kahakuloa, Haiku-Pauwela and Ulupalakua.
A flood advisory is also in place for the Big Island until 6:45 p.m.
At 5:20 p.m., the NWS radar indicated decreasing areas of heavy showers and a few thunderstorms over interior parts of the island, while some heavy rain is moving into windward areas around Hilo and Puna. Earlier in the afternoon, heavy rain was falling at a rate of 1 to 3 inches per hour over the slopes of Mauna Loa between Volcano and Pahala.
Some locations that will experience flooding include Hilo, Captain Cook, Waikoloa Village, Kapaau, Honokaa, Pohakuloa Training Area, Pohakuloa Camp, Volcano, Glenwood, Wood Valley, Hawaii Volcanoes National Park, Mountain View, Honaunau, Pahala, Honalo, Puuanahulu, Kainaliu, Kealakekua and Kamuela.