Heavy rain prompts watches, warnings - Hawaii News Now - KGMB and KHNL

Heavy rain prompts watches, warnings

By Ben Gutierrez - bio | email

HONOLULU (HawaiiNewsNow) - A Flash Flood Watch has been extended for all Hawaiian islands through Monday afternoon as deep tropical moisture is drawn up by a strong low pressure system west of the state. Most of Sunday's rain fell on Oahu and Molokai, which both were under flash flood warnings for a time.

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Forecasters said heavy showers and isolated thunderstorms could produce isolated flash flooding through Monday. Showers were moving in the from southwest, falling on leeward areas that normally do not get much rain.

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All of Oahu's rain gauges recorded at least an inch of rain Sunday between 2 a.m. and 2 p.m. Listed below are gauges that recorded four or more inches during that time:

  • Maunawili  8.56
  • Olomana Fire Station  8.00
  • Palehua  7.80
  • Luluku  6.43
  • Kaneohe MCBH  5.91
  • Hawaii Kai Golf Course  5.79
  • Aloha Tower  5.49
  • Moanalua RG  5.42
  • Kamehame  5.32
  • Waimanalo  5.24
  • Manoa-Kanewai  4.81
  • Kunia Substation  4.34
  • Honouliuli  4.31
  • St. Stephens  4.30
  • Kalaeloa Airport  4.28
  • Palisades  4.23
  • Waihee Pump  4.17
  • Honolulu Airport  4.04
  • Punaluu Stream  4.00

Besides the flash flood watch, a Winter Weather Advisory has been issued for Big Island summit areas above 8,000 feet for Mauna Loa and Mauna Kea, effective until 6 a.m. Tuesday. The storm was expected to bring five inches of snow accumulation Sunday night through Monday, mainly above 11,500 to 12,000 feet of elevation.

Stay with the Severe Weather Team on Hawaii News Now and HawaiiNewsNow.com for the latest.

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