LOS ANGELES (AP) – Fire weather watches will go into effect on Thanksgiving for a large swath of Southern California as Santa Ana winds develop, and that could bring blackouts for thousands of residents. Southern California Edison is considering shutting off electricity to more than 76,000 customers in five counties to prevent wildfires from being ignited by wind damage to power lines. The Santa Anas will affect the region from Ventura County northwest of Los Angeles down to the U.S.-Mexico border through the holiday and into the weekend. Timing and strength will depend on location.