Oahu’s flash flood warning was just cancelled, according to an alert from Honolulu’s emergency management department, following the dazzling show of lightning and thunder over night here in Kaaawa, and across much of the state, overnight. We had a spot of rain, too.
The evidence was there this morning when we went out for our early walk to the beach.
There were a number of waterfalls visible on the cliffs behind Kaaawa, including this one, viewed over a neighbor’s house, as well as evidence of at least one mud slide.
Makaua Streem was flowing, and there was lots of debris, and several large boulders, that appear to have been swept along by high water sometime overnight.
As we walked along the back roads through Kaaawa, there was standing water in several areas that are prone to flooding. Most of this yard on Puakenikeni Road was under water.
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Not much rain in Hilo Mauka from this weather system so far. We received about 1″ yesterday and about 2″ overnight.
The state Department of Health’s Clean Water Branch is advising the public to stay out of Kaneohe Bay from Makani Kai Marina to Kaneohe Yacht Club because of a sanitary sewer overflow Sunday morning.
Heavy rains overnight from Tropical Storm Wali caused Kawa Stream to overflow and flood the Kawa Pump Station and the road behind the Kaneohe Pretreatment Facility, officials said.
The facility was under about 3- to 5-feet of waste water and was evacuated, Clean Water Branch officials said.
Crews are unable to estimate how much waste water was involved.
The city’s Department of Environmental Services are planning to clean, disinfect, and deodorize the area when it dries out.
Warning signs have been posted and officials are working to get water samples.