HONOLULU (KHON2) — Heavy rain moved across Oʻahu on Sunday, Dec. 14, flooding roads and causing major traffic disruptions from Waikīkī to Kalihi, as stormwater overwhelmed low-lying areas and drainage systems.
Some parts of the island saw up to four inches of rain over a 36-hour period, with the highest totals recorded in Kā‘ala, Maunawili, Hālawa and Nu‘uanu, according to the weather system’s rain gauges.
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The intense downpours led to heavy ponding on roadways and temporary lane closures as crews worked to clear debris and pump out standing water.
What made the storm unusual, officials say, was where the flooding occurred…