The National Weather Service (NWS) Los Angeles/Oxnard office issued a dense fog advisory at 6:17 a.m. on Friday. The advisory covers Western San Fernando Valley, Eastern San Fernando Valley, and Los Angeles.
The NWS warns of visibility reduced to one-quarter mile or less due to dense fog, which could create hazardous driving conditions.
"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 plenty of distance ahead of their vehicle. The advisory remains in effect until 9 a.m.
A dense fog advisory is issued when widespread fog reduces visibility to a quarter mile or less, making travel difficult.
"If driving, slow down, use your headlights, and leave plenty of distance ahead of you."
Source: The National Weather Service
Author's summary: Dense fog reducing visibility to one-quarter mile threatens safety in Los Angeles County Friday morning; drivers are urged to slow down and drive cautiously until 9 a.m.