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Flash Flood Warning for Hawaii in Hawaii, HI

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What you need to know

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Immediate
Official certainty
Likely

What is happening

At 544 PM HST, Doppler radar indicated heavy rain and isolated thunderstorms over windward Big Island. Rain was falling at a rate of 1 to 2 inches per hour with the heaviest rainfall over the Hilo districts. Flash flooding is ongoing. Conditions should gradually improve over the next hour. HAZARD...Flash flooding...

What the bulletin says to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

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Full official description

Bulletin details

At 544 PM HST, Doppler radar indicated heavy rain and isolated thunderstorms over windward Big Island. Rain was falling at a rate of 1 to 2 inches per hour with the heaviest rainfall over the Hilo districts. Flash flooding is ongoing. Conditions should gradually improve over the next hour. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Hilo, Hawaiian Paradise Park, Kapaau, Honokaa, Honomu, Papaikou, Pepeekeo, Hakalau, Ninole, Laupahoehoe, Mountain View and Glenwood.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    Flash Flood Warning issued October 29 at 5:44PM HST until October 29 at 7:00PM HST by NWS Honolulu HI

    Official revision
  2. Alert

    Flash Flood Warning issued October 29 at 4:11PM HST until October 29 at 7:00PM HST by NWS Honolulu HI

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Honolulu HI. This page reorganizes official fields and does not add a forecast or expand the affected area.

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