The National Weather Service (NWS) Los Angeles/Oxnard CA issued a dense fog advisory on Friday at 6:17 a.m., affecting Western San Fernando Valley, Eastern San Fernando Valley, and Los Angeles.
The NWS warns that visibility will be reduced to one-quarter mile or less due to dense fog.
"Visibility one quarter mile or less in dense fog."
"Low visibility could make driving conditions hazardous."
Drivers are advised to slow down, use headlights, and maintain a safe distance from the vehicle ahead.
"If driving, slow down, use your headlights, and leave plenty of distance ahead of you."
The advisory is effective until 9 a.m. The NWS issues such advisories when widespread dense fog causes visibility to drop to one-quarter mile or less, creating hazardous travel conditions.
It is recommended to exercise caution on the roads or avoid driving if possible.
Source: The National Weather Service
Summary: Dense fog in Los Angeles County reduces visibility sharply, prompting a safety advisory urging drivers to slow down and maintain extra caution on the roads until the morning clears.