HONOLULU, Hawaii (HawaiiNewsNow) - Showers on Oahu dumped 3 to 4 inches of rain on Friday afternoon in leeward areas that don’t normally see a lot of rainfall.
The National Weather Service issued a flood advisory for East Oahu until 8:15 p.m. Rainfall of up to 2 to 3 inches per hour was observed in the Maunawili area.
The western half of Oahu was under a flood advisory during the early afternoon. That advisory was allowed to expire at 3:15 p.m.
The Palehua rain gauge in the Waianae range recorded 4.51 inches of rain in the 12 hour period between 2 a.m. and 2 p.m. Friday.
A flood advisory was also posted during the midday hours for Kauai’s southern half. Hanapepe recorded the most rain, 1.60 inches between 2 a.m. and 2 p.m.
The heavy rain is from an area where moisture is converging ahead of a dissipating front to the northwest of the state. The front itself is expect to dissipate by Saturday.
Here are selected significant rainfall totals for the 12-hour period ending at 2 p.m. Friday (in inches):
- Hanapepe, 1.60 inches
- Port Allen, 1.52 inches
- Kalaheo, 1.24 inches
- Mount Waialeale, 0.70 inches
- Waimea Heights, 0.60 inches
- Palehua, 4.51 inches
- Lualualei, 2.78 inches
- Waianae Valley, 2.61 inches
- Waiawa Correctional Facility, 2.41 inches
- Makaha Stream, 1.78 inches
- Kunia Substation, 1.65 inches
- Schofield East, 1.55 inches
- Wheeler Army Air Field, 1.51 inches