Sonoma and Napa counties, in partnership with local law enforcement and fire agencies, will conduct a targeted emergency alert and warning system test on Thursday, March 27, 2025. This test will focus on the SON-6F4 evacuation zone, located in Sonoma Valley near the Sonoma-Napa County line. Between 10:45 a.m. and 11:30 a.m., residents and visitors...