Poor weather conditions hamper firefighting efforts across California.

U.S.|Poor upwind conditions hamper firefighting efforts crossed California.

• Aug. 26, 2021, 7:06 a.m. ET

On Wednesday, much than 14,000 firefighters were connected the beforehand lines of 12 ample wildfires successful California that person burned much than 1.6 cardinal acres, occurrence officials said.

Unfavorable upwind conditions proceed to occupation crews battling the Caldor occurrence adjacent Sacramento. Earlier this week, occurrence officials said the blaze had go a apical precedence aft it burned much than 100,000 acres successful 10 days. By Wednesday night, the occurrence had burned 134,000 acres and was 12 percent contained, according to a New York Times wildfire tracker. More than 450 homes had been destroyed and different 17,000 different structures were threatened, reported Cal Fire, the state’s firefighting agency.

Fire officials connected Wednesday nighttime said that gusty winds combined with captious substance conditions had threatened an country northbound of Highway 50, 1 of the main routes betwixt Sacramento and the Lake Tahoe area.

Farther north, the Dixie fire, the second-largest connected grounds successful California, remains a menace to communities. That occurrence started six weeks agone and has since burned 747,000 acres, including the municipality of Greenville. It is 45 percent contained. Evacuation orders stay successful spot for immoderate areas astir the fire. Some residents person ignored evacuation orders, staying to thin to their cattle oregon to support their homes.

Amid strained firefighting resources and a crippling drought made worse by clime change, the South occurrence began connected Wednesday adjacent San Bernardino. The occurrence has burned much than 500 acres astatine zero percent containment and has prompted 1,000 households to evacuate, according to Cal Fire. The blaze is threatening precocious voltage transmission lines and astatine slightest 600 structures. About 86,000 radical unrecorded wrong 5 miles of the fire, according to the Times’s occurrence tracker.

Other large blazes crossed California stay active, including the McFarland fire, which has burned 122,000 acres, and the Monument, which has burned 154,000 acres.

An excessive vigor informing is successful spot done Sunday for areas astir San Diego, the National Weather Service said. Elevated occurrence upwind conditions, with debased comparative humidity values, were expected done Saturday for communities successful cardinal California. Points northbound are under a vigor advisory done Saturday night, with temperatures forecast to scope 110 degrees. Gusty winds were expected to make by Friday across the Sacramento Valley.

The occurrence imaginable successful astir of California’s mountains and foothills is forecast to beryllium higher than mean done September, and done October successful areas prone to offshore winds, the National Interagency Fire Center said this month.