Los Angeles County was placed under an updated flood advisory by the National Weather Service on Friday at 4:04 p.m. The advisory is in effect until 6 p.m.

Red Cross was helping residents find accommodations while cleanup crews worked to remove the water from the flooded units.

A slow-developing, broad area of low pressure located over the far northern portion of the Gulf is threatening to bring heavy rain and flooding.

Today, 17 million are under flood alerts across the Gulf Coast and in the Mid-Atlantic, and 19 million are under heat alerts across the Mid-Atlantic, southern Florida and Mississippi Valley.

Storm drains along Interstate 435, a beltway that encircles most of the Kansas City metropolitan area, were unable to keep up during the deluge, he said, causing the highway to flood. Most of the rescues from vehicles took place at the highway’s 23rd St. exit, he said.