As the low cloud deck that had persisted over the San Joaquin Valley for the previous 3 days continued to lift, the low clouds spread out and formed a a layer of dense fog in upslope areas in the Kern County Mountains during the afternoon on December 10 which impacted travel on Interstate 5 and State Route 58. The fog burned off by late morning on December 11.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS HNX wrote it up.
As the low cloud deck that had persisted over the San Joaquin Valley for the previous 3 days continued to lift, the low clouds spread out and formed a a layer of dense fog in upslope areas in the Kern County Mountains during the afternoon on December 10 which impacted travel on Interstate 5 and State Route 58. The fog burned off by late morning on December 11.
1 dense fog. Local standard time, as filed.
Visibility below a quarter mile was reported in Tehachapi. California Highway Patrol reported visibility between 25 and 50 feet between San Canyon Rd. and Tehachapi Blvd. and also reported visibility below a quarter mile in the Grapevine area along Interstate 5.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2018Every state in 2018This day in weather historyWarnings in California, December 2018
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 788724.