NWS calls rain, storms over Windward Oahu 'unusual phenomenon' - WFXG FOX 54 - News Now

NWS calls rain, storms over Windward Oahu 'unusual phenomenon'

HONOLULU (HawaiiNewsNow) -
Update 5:50 a.m.

The National Weather Service describes last night's severe weather event on the Windward Side to Hawaii News Now as 'an unusual phenomenon.'

A cell of rain showers sat right over the Waikane and Kahana Valley areas and quickly intensified into a thunderstorm, then dumped enough rain over the region that the Waikane Stream rose seven feet in about an hour.

Forecasters say it's fairly rare for a system like this one to remain in one place for so long.

Update 11:45 p.m.

Honolulu Police say Kamehameha Highway has been reopened in Waikane.

Update 11:30 p.m.

The National Weather Service has cancelled the flash flood warning that was posted for Windward Oahu. However, at last check, Kamehameha Highway was still closed in both directions in Waikane as the Waikane Stream washes across the roadway.

Update 10:45 p.m.

Heavy rains have diminished over Windward Oahu, but the National Weather Service reports that streams are still very high in Waikane, Waiahole and Kahana Valley. Kamehameha Highway remains closed at Waikane. The Flash Flood warning remains in effect.

Update 10 p.m.

Heavy showers have diminished in coverage in the since 9:30 p.m....though additional heavy rainfall is possible across Windward Oahu. Kamehameha highway remains closed in Waikane due to flooding...and streams in Kahana valley...Waikane...and Waiahole remain very high.

Update 9:30 p.m..

A nearly stationary thunderstorm over Windward Oahu continues to focus very heavy rainfall in the Kahana Valley and Waikane areas.

Recent radar estimates indicate rain rates in excess of 3 inches per hour in the heaviest downpours in Waikane Valley. The Waikane stream has risen over 7 feet in the past hour, and Department of Emergency Management has reported that Kamehameha Highway is closed in Waikane. This is a dangerous situation.

Locations in the warning include but are not limited to Punaluu. Kahana, Waikane, Waiahole, Laie and Hauula.

This warning may need to be extended beyond 11:30 p.m. if Flash Flooding persists.

Stay with HawaiiNewsNow.com for the latest updates you can also check out our Interactive radar.

To get the latest weather conditions on your mobile phone click HERE.

Copyright 2013 Hawaii News Now. All rights reserved.

  • NEWSMore>>

  • Pompeo: Fate of US-NKorea summit rests with Kim Jong Un

    Pompeo: Fate of US-NKorea summit rests with Kim Jong Un

    Wednesday, May 23 2018 12:44 AM EDT2018-05-23 04:44:27 GMT
    Wednesday, May 23 2018 4:36 PM EDT2018-05-23 20:36:11 GMT
    (AP Photo/Evan Vucci). President Donald Trump meets with South Korean President Moon Jae-In in the Oval Office of the White House, Tuesday, May 22, 2018, in Washington.(AP Photo/Evan Vucci). President Donald Trump meets with South Korean President Moon Jae-In in the Oval Office of the White House, Tuesday, May 22, 2018, in Washington.

    The June 12 summit, planned for Singapore, offers a historic chance for peace on the peninsula - but also the risk of an epic diplomatic failure that would allow the North to revive and advance its nuclear weapons program.

    More >>

    The June 12 summit, planned for Singapore, offers a historic chance for peace on the peninsula - but also the risk of an epic diplomatic failure that would allow the North to revive and advance its nuclear weapons program.

    More >>
  • FDA warns teething medicines unsafe, wants them off shelves

    FDA warns teething medicines unsafe, wants them off shelves

    Wednesday, May 23 2018 9:43 AM EDT2018-05-23 13:43:09 GMT
    Wednesday, May 23 2018 4:35 PM EDT2018-05-23 20:35:19 GMT
    The Food and Drug Administration said that various gels and creams containing the drug benzocaine can cause rare but deadly side effects in children, especially those 2 years and younger. (Source: FDA)The Food and Drug Administration said that various gels and creams containing the drug benzocaine can cause rare but deadly side effects in children, especially those 2 years and younger. (Source: FDA)

    The US Food and Drug Administration health is warning parents about the risks of teething remedies.

    More >>

    The US Food and Drug Administration health is warning parents about the risks of teething remedies.

    More >>
  • Estimated 7,000 bodies may be buried at former asylum

    Estimated 7,000 bodies may be buried at former asylum

    Wednesday, May 23 2018 2:51 PM EDT2018-05-23 18:51:55 GMT
    Wednesday, May 23 2018 4:36 PM EDT2018-05-23 20:36:24 GMT
    (AP Photo/Rogelio V. Solis). In this May 9, 2018 photo taken in Starkville, Miss., Mississippi State University anthropologist Molly Zuckerman holds a portion of a mandible extracted from one of the graves unearthed at what was the graveyard of the Mis...(AP Photo/Rogelio V. Solis). In this May 9, 2018 photo taken in Starkville, Miss., Mississippi State University anthropologist Molly Zuckerman holds a portion of a mandible extracted from one of the graves unearthed at what was the graveyard of the Mis...
    Officials in Mississippi believe the remains of as many as 7,000 former patients at an asylum could be lying in an empty, grassy field on a university campus.More >>
    Officials in Mississippi believe the remains of as many as 7,000 former patients at an asylum could be lying in an empty, grassy field on a university campus.More >>
Powered by Frankly