Cal Fire’s refreshed maps show a large increase in areas considered hazardous: “High” and “very high” hazard zones have grown by 168 percent since 2011. That’s partly because computing power has improved in the last 14 years, but also because more detailed data on weather patterns, vegetation, and fire behavior have made the maps more robust.

California's wildfire hazard zones, categorized as "high" or "very ... New subdivisions will also need to be carefully designed with multiple evacuation routes, adequate water supply ...

Palisades Fire initially started 10:30 a.m. Jan. 7 in Los Angeles County. It has burned 23,448 acres after being active for 79 days. A crew of 800 firefighters managed to contain the blaze entirely by Thursday noon. The fire's cause remains under investigation.

All told, the size of orange and red patches on the new maps is 3,626 square miles — an area nearly twice the size of Delaware.

Efforts to battle the 1,250-acre fire in eastern California were complicated by strong winds, which were expected to continue through Monday.

Strong winds on Monday drove an out-of-control wildfire through a remote area of eastern California, prompting evacuations for hundreds of homes. The Silver Fire erupted Sunday afternoon along Route 6 in Inyo County,