SAN DIEGO, Calif. (FOX 5/KUSI) -- A potent atmospheric river is slamming into Southern California for the Christmas Eve holiday, prompting several weather hazards across the region. As of 3:30 p.m. Wednesday, Doppler radar indicated heavy rain pockets moving through the region west to east, promptin g flood advisories for many North County communities like Oceanside, [...] ...read more read less