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A broad upper level low nearing Hawaii 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. Showers will become heavy at times, potentially leading to flash flooding. Although most […]

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An upper level low approaching the islands from the northeast will bring an unstable airmass to Maui and Hawaii Island. High pressure to the northeast will maintain a trade wind surface flow, focusing the heaviest of rain along windward areas. However the strong trade winds and the unstable airmass will allow for showers and thunderstorms […]

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The National Weather Service in Honolulu has extended the Flash Flood Warning for the island of Hawaii in Hawaii County until 2:30 a.m. HST Saturday, August 25, 2018. THIS IS A VERY DANGEROUS SITUATION. DO NOT TRAVEL DUE TO ONGOING FLOOD IMPACTS.

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The atmosphere over the state is very unstable, and mostly sunny morning conditions will give way to scattered afternoon heavy showers and thunderstorms. Some of these thunderstorms will be capable of producing strong and gusty winds, frequent lightning, intense downpours, and hail.

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The National Weather Service in Honolulu has issued a severe thunderstorm watch for Hawaii Island, the Alenuihaha Channel and waters surrounding the island until 3 a.m. Tuesday (Feb 6).

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This free app gives iPhone, iPad and Android smart phone users instant access to local and real-time information, so they know what to do before, during and after a flood. The app includes location-based, audible NOAA flood and flash flood watches and warnings – even if the app is closed.

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The revised preliminary Digital Flood Insurance Rate Map (DFIRM) for Hawai‘i County will be released by the Federal Emergency Management Agency (FEMA) and available for public comment during open houses on August 9 and 10. Results of the Kona and Puna Flood Studies are not included in the preliminary digital flood insurance rate maps for […]

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Fire/rescue units responded to a 9:27 p.m. alarm Sunday night (July 10) to Kawainui Stream near Old Mamalahoa Highway in Pepeekeo for a 43 year-old man who may have been swept away in a flash flood. Witnesses reported to authorities that the man was last seen in the stream when a flash flood occurred.

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The National Weather Service has issued a flash flood watch for Hawai’i Island effective today through this evening A flash flood watch means that conditions may develop that may lead to flash flooding. A winter weather advisory is in effect for the summits of Mauna Loa and Mauna Kea from 6 p.m. tonight (Dec 19) […]

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The Weather Service has issued a flash flood watch for the State of Hawaii through this afternoon. There is a potential for heavy rain & thunderstorms.

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Karin Stanton/Hawaii247.com Contributing Editor The county’s flood map, which dates to 1988, is being hauled into this century via a digital update through FEMA. The Federal Emergency Management Administration is working with state and county agencies to ensure residents and property owners are aware of the risks and know their options. Frank DeMarco, the county’s […]

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MEDIA RELEASE Two meetings are scheduled to ensure residents and business owners understand the flood hazard map changes and are aware of their options. The meetings are: * 3-8 p.m., Wednesday, April 22, Outrigger Keauhou Beach Resort * 3-8 p.m., Wednesday, April 29, Outrigger Keauhou Beach Resort Public Works will be contacting and assisting those […]

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  MEDIA RELEASE Consultants will share results of the flood study for South Kona and seek input for the North Kona Flood Study on Wednesday, April 29 from 3 p.m. to 8 p.m. at the Outrigger Keauhou Beach Resort. Consultants will alternate their discussions in separate meetings for the South and North Kona studies. The […]

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Video at Moku Ola (Coconut Island) in Hilo Bayfront soccer fields in Hilo Rain and rockslides along the Hamakua Coast *——————————————–* FLOOD ADVISORY NATIONAL WEATHER SERVICE HONOLULU HI 742 PM HST SAT MAR 7 2009 HAWAII IN HAWAII COUNTY- 742 PM HST SAT MAR 7 2009 THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A […]

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