A freeze warning was issued for parts of the South Bay, East Bay and North Bay early Thursday for sub-freezing temperatures, according to the National Weather Service.
The freeze warning is in effect through 9 a.m. for the North Bay mountains and valleys, East Bay mountains and valleys, and the Santa Clara Valley and hills, the NWS said.
Temperatures were expected to drop between 28 and 32 degrees in those areas.
A frost advisory also was in effect for the North Bay coastline, portions of the SF Bay shoreline and lower elevations of Santa Cruz County, the NWS said.
Cold conditions will impact unsheltered populations, people experiencing power outages and pets, the NWS said. It can also kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
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