A winter weather advisory was issued by the NWS San Diego CA on Sunday at 1 a.m. valid from 10 p.m. until Monday 10 a.m.
The National Weather Service has simplified some of its winter weather alerts for Wind Chill and Extreme Cold Warnings.
Several states were under winter storm warnings or winter weather advisories from the NWS as of early Thursday.
Advisories are issued when a hazardous event is occurring or has a high chance to occur, and will pose a significant inconvenience. The NWS will issue a winter weather advisory based on ...