https://www.cbsnews.com/amp/live-upd...ia-2020-01-26/
LAPD says they grounded their helicopters Sunday morning
Los Angeles Police Department spokesman Josh Rubenstein confirmed Sunday night they had grounded the department's Air Support division grounded its helicopters in the morning due to foggy conditions and didn't fly until later in the afternoon.
"The weather situation did not meet our minimum standards for flying," Rubenstein said.
The fog "was enough that we were not flying." He said the police department's are two miles of visibility and an 800-foot cloud ceiling. The department typically flies two helicopters when conditions allow — one in the San Fernando Valley and one in the L.A. basin, he said.