"Based on the forecast, a Tropical Storm Watch has been issued for
portions of southern California. This is the first time NHC has
issued a watch for that region."
https://www.nhc.noaa.gov/text/refresh/MIATCDEP4+shtml/181451.shtml?
Please please please everyone on the west coast take this seriously and be careful. Even with places with infrastructure for it this weather is devestating, and while this may be one of the first it definitely isn't the last