"At 7:22 a.m., radar and automated rain gauges indicated heavy rain falling over windward Oahu with the heaviest rain along the Koolau mountains between Ahuimanu and Hauula," the updated warning said.

The Castles realized Kailua had the potential to be a vibrant town and a desired residential community. “Kaneohe Ranch has got to be saying come over to the windward side,” Brown said.

The flash flood warning remains in effect until 1:45 p.m. for Oahu. At 11:58 a.m., the radar showed heavy rain remaining nearly stationary over the Koolau mountains and many windward areas.

11:58 a.m. The flash flood warning remains in effect until 1:45 p.m. for Oahu. At 11:58 a.m., the radar showed heavy rain remaining nearly stationary over the Koolau mountains and many windward areas.

As you walk north away from Kailua Beach Park, the beach becomes less crowded and in some spots, you'll catch a glimpse of the sun setting over the Ko'olau mountains.

Or you can go east toward Waikiki and turn off at the exit to the Pali Highway (Route 61), which goes to Kailua northward over the Koolau Mountains. Both routes are spectacular.

Umbrellas pop up even for bicyclists, as it rains early morning in January. >> An additional option is to temporarily stow your bike and ride the bus over the Koolau Mountains, then resume ...