Special Weather Statement issued August 16 at 8:41AM PDT by NWS

…SIGNIFICANT WEATHER ADVISORY FOR MARIN…WESTERN ALAMEDA…SAN MATEO…NORTHWESTERN SANTA CRUZ…SONOMA…CONTRA COSTA…SAN FRANCISCO…NORTHWESTERN SANTA CLARA AND NAPA COUNTIES UNTIL 930 AM PDT… At 840 AM PDT, several thunderstorms continue to move across the region producing frequent lightning and gusty erratic winds, moving