12:16 p.m.: Pacific Coast Highway was closed between Decker Canyon Road (CA-23) in Malibu and Las Posas Road in Oxnard as of noon on Thursday, Jan. 31.
A previous closure had the highway closed all the way from Oxnard to Broad Beach in Malibu—the portion of the road between Decker and Broad Beach reopened after a closure earlier in the day.
10:12 a.m.: Pacific Coast Highway was closed in both directions between Las Posas in Oxnard and Broad Beach in Malibu, due to mudflow near Deer Creek, according to an alert from the City of Malibu.
9:56 a.m.: Caltrans reported lanes remained open on PCH, but “may close soon.”
9:11 a.m.: Mud flow was reported across all lanes of PCH near Deer Creek in the Woolsey Fire burn area, as of 8:47 a.m., according to California Highway Patrol.
8:49 a.m.: Zuma Beach was reported closed on Thursday morning due to lighting.
“Los Angeles County Lifeguards have closed Zuma Beach due to lightning. Other beaches are being monitored and may be closed depending on storm activity and direction,” according to an alert from the City of Malibu at 8:49 a.m. Thursday. “Residents and visitors are urged to stay away from all beaches until the series of storms forecast for Thursday through Monday have passed through Malibu.”
8:06 a.m.: Malibu was under a flash flood watch from 7:30 a.m. to 3 p.m. on Thursday, Jan. 31, due to heavy rain expected to move through the Woolsey Fire burn area.
The National Weather Service urged drivers to avoid using Pacific Coast Highway in that area between 8 and 9 a.m. due to the danger of mudslides, rockslides and debris flow.
Heavy rain and thunder have been felt across Santa Barbara and Ventura counties Thursday morning, with the weather system moving toward Los Angeles County.
Malibu schools announced earlier Thursday morning they would be staying open.
“A flash flood watch means that conditions may develop that lead to flash flooding,” according to an alert from the City of Malibu. “Flash flooding is a very dangerous situation. Southern California residents in or below the recently burned areas are urged to take the steps necessary to protect their property.”
More information available here.
This story has been edited for clarity.