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Weather Blog: Flood warning canceled for Oahu
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HNN Interactive Radar at 9:44 p.m.

HONOLULU (HawaiiNewsNow)- UPDATE at 10:10 p.m. on TUESDAY:

The National Weather Service has issued a Flood Advisory for Oahu in Honolulu County.

  • Until 12:45 a.m.
  • At 9:36 pm Hst, radar showed heavy rain continuing over the Koolau range, and this area of heavy rain remained nearly stationary. Rainfall rates have started to lighten, but rates in excess of 1 inch over saturated areas will continue. Streams in the warning area have started to subside, but remain elevated.
  • Other locations in the advisory include but are not limited to Punaluu, Waikane, Laie, Kahuku, Kaaawa and Hauula. This advisory may need to be extended beyond 12:45 am if Heavy Rain persists.
  • The flood warning has expired

UPDATE at 9:40 p.m. on TUESDAY:

The Flood Advisory remains in effect until 10:30 pm for the Big Island. At 9:15 pm, radar showed heavy rain continuing over the South Hilo district, and heavy rain has intensified over the slopes above Naalehu and Pahala.

These areas of heavy rain remain nearly stationary. Rainfall rates in excess of 2 inches per hour have been observed on radar.

This advisory may need to be extended beyond 10:30 pm Hst if Heavy Rain persists.

UPDATE at 8:52 p.m. on TUESDAY:

A Flash Flood Warning remains in effect for Oahu until 10 p.m.

National Weather Service forecasters say radar continues to show heavy rain over the Koolau range with rainfall rates in excess of 2 inches per hour.

The Punaluu stream gage was at 7 ft, The Kahana stream gage at 6 ft and the North Fork of the Kaukonahua stream was approaching 10 ft at 8:45 pm. The area of heavy rain remains nearly stationary.

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

This warning may need to be extended beyond 10 p.m. if Flash Flooding persists.

UPDATE at 7:15 p.m. on TUESDAY:

The National Weather Service has issued a Flash Flood Warning for Oahu until 10 p.m. 

  • At 6:50 p.m. radar showed heavy rain with rates in excess of 2 inches per hour near Punaluu. The stream gage at Punaluu stream was at 6.75 ft and the stream gage at Kahana stream was at 5.77 ft. The area of heavy rain was nearly stationary.
  • Other locations in the warning include but are not limited to Punaluu, Laie, Kaaawa and Kahuku. This Flash Flood Warning replaces the Flood Advisory that was in effect for the island of Oahu in Honolulu County. 
  • This warning may need to be extended beyond 10 p.m. if Flash Flooding persists.
  • A Flash Flood Warning means flash flooding is imminent or occurring in streams, roads and low lying areas. Move to higher ground now. Do not cross fast flowing or rising water in your vehicle or on foot. 

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

UPDATE at 6:25 p.m. on TUESDAY:

Flood Advisory for Kauai County has expired

UPDATE at 6:15 p.m. on TUESDAY:

The National Weather Service extends the Flood Advisory for Oahu until 8:45 p.m.

  • At 5:53 pm, radar showed two areas of heavy showers. One area was over the Koolau mountains from near Waimanalo to upslope from Hauula. This area remained nearly stationary. Other Heavy showers were over Kalaeloa and Kapolei. 
  • These downpours were drifting slowly south. This advisory may need to be extended beyond 8:45 pm if Heavy Rain persists.

UPDATE at 5:55 p.m. on TUESDAY:

The Flood Advisory for Maui County has expired.

UPDATE at 4:55 p.m. on TUESDAY:

The National Weather Service has issued a Flood Advisory for the island of Hawaii in Hawaii County.

  • Until 7:45 p.m.
  • At 4:30 pm, radar showed persistent heavy thundershowers 7 miles upslope from Hilo town and Mountain View. The thundershowers were nearly stationary. Other Locally heavy showers were near Honaunau, Captain Cook, Hawi, and over the slopes above Naalehu and Pahala. 
  • This advisory may need to be extended beyond 7:45 p.m. if Heavy Rain persists.

UPDATE at 3:50 p.m. on TUESDAY:

The National Weather Service in Honolulu has issued a Flood Advisory for Kauai until 6:30 p.m.

  • At 3:20 p.m., radar showed heavy rain over Northwest Kauai. The Heaviest rainfall was over Polihale State Park and Barking Sands. The area of heavy rain was nearly stationary.
  • Other locations in the advisory include but are not limited to Haena, Na Pali State Park, Hanakapiai Valley and Kalalau Valley. This advisory may need to be extended beyond 6:30 pm Hst if Heavy Rain persists.

UPDATE at 3:35 p.m. on TUESDAY:

The National Weather Service has canceled a Flood Warning for Oahu and has replaced it with a Flood Advisory until 6:15 p.m.

Forecasters say at 3:07 p.m., heavy rainfall continues over the northwest portion of the Koolau Range and heavy rainfall has also developed over Nanakuli and Waianae Valley. The area of heavy rain was moving slowly northwest.

Other locations in the advisory include but are not limited to Punaluu, Hauula, Waikane, Kahuku, Haleiwa, Kunia. Maili and Makaha.

This advisory replaces the Flash Flood Warning that was in effect for Honolulu County and may need to be extended beyond 6:15 p.m. if heavy rain 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.

UPDATE at 2:30 p.m. on TUESDAY:

The National Weather Service in Honolulu has issued a Flood Advisory for the island of Maui until 5:00 p.m.

  • At 1:58 p.m., radar showed heavy downpours developing upslope from Makawao and Huelo. Other Heavy showers were forming upslope from Hana and Kipahulu. All of the showers were nearly stationary.
  • Other locations in the advisory include but are not limited to Pauwela, Paia, Makawao, Keanae, Hookipa Beach Park. Haliimaile, haiku, and Ulupalakua. This advisory could be extended beyond 5:00 p.m. if Heavy Rain persists.

UPDATE at 2:05 p.m. on TUESDAY:

The National Weather Service in Honolulu has issued a Flood Advisory for the island of Hawaii in Hawaii County until 4:15 p.m.

  • At 1:16 p.m., radar showed heavy showers near Waimea. Waikii, and saddle Road junction. These heavy showers were nearly stationary. This advisory may need to be extended beyond 4:15 p.m. if Heavy Rain persists.


UPDATE at 12:25 p.m. on TUESDAY:

The National Weather Service in Honolulu has issued a Flash Flood Warning for Oahu until 3:15 p.m.

  • At 12:19 p.m., radar showed heavy showers extending from the Koolau Mountains near the H-3 Highway northwest to near Pupukea. Rainfall rates have briefly exceeded 3 inches per hour at times in some spots. Runoff from persistent Heavy rains can result in flash flooding of streams draining out of the Koolau mountain range.
  • Other locations in the warning include but are not limited to Punaluu, Waiahole, Waikane, Wahiawa, Laie, Kaneohe, Kahuku and Hauula. This Flash Flood Warning replaces the Flood Advisory that was in effect for the island of Oahu in Honolulu County. This warning may need to be extended beyond 3:15 p.m. if Flash Flooding persists.


UPDATE at 10:38 a.m. on TUESDAY:

The National Weather Service in Honolulu has extended a Flood Advisory for the island of Oahu until 1:00 p.m.

  • At 9:58 am, radar showed moderate to heavy rain over the upper slopes of the Koolau Mountains. Although the area of rain has decreased over the past hour, streams draining the Koolau slopes are still running high, especially from Pearl City to Kalihi
    .
  • Other locations in the advisory include but are not limited to Punaluu, Haleiwa, Waialua, Wahiawa, Pearl City, Aiea. Halawa, Moanalua, Kailua, Kaneohe and Honolulu. This Flood Advisory replaces the previously issued advisory that was in effect for portions of the island of Oahu in Honolulu County. This advisory may need to be extended beyond 1:00 p.m. if Heavy Rain persists.


UPDATE at 7:30 a.m. on TUESDAY:

The National Weather Service has extended a flood advisory for Oahu until 10:15 a.m. on Tuesday.


UPDATE at 7:55 a.m. on TUESDAY:

The National Weather Service has extended a flood advisory for Maui until 11 a.m. on Tuesday.

Officials say that on Oahu, rain gauges in the Ko'olau Mountains showed heavy rain falling at a rate of up to an inch per hour in some areas. The showers were developing over eastern Oahu and moving northwest.

Specific locations in the advisory for Oahu included Ahuimanu, Kahuluu, Waiahole and Waikane.

The Maui advisory is primarily for Hana and other rural areas in east Maui. 

The National Weather Service recommends staying away from streams and other areas prone to flooding and urges drivers to use caution during their morning commute.

Copyright 2013 Hawaii News Now. All rights reserved. 

Source: Google
Source: Google
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