California's first major wildfire of the year is 50% contained after burning 14,000 acres

California's first major wildfire of the year was 50 percent contained Monday morning after spreading to 5,760 acres over the weekend due to strong winds, authorities said.

According to the California Department of Forestry and Fire Protection, the Corral Fire is raging in San Joaquin County, about 50 miles outside of San Francisco.

According to the California Department of Forestry and Fire Protection, the fire broke out around 2:30 p.m. Pacific Time on Saturday near the Lawrence Livermore National Laboratory in the Altamont Pass area of ​​the Diablo Range in northern California and spread into Stanislaus Stanislaus County, where it reached the western border of Tracy.

As the wind-fueled fire raged out of control Saturday, a Stanislaus Regional Transit Authority bus with passengers on board became stranded as the fire approached the bus. The driver had to evacuate the passengers and get them out of harm's way before the bus caught fire, officials said.

“We are incredibly grateful to our driver for her composure and professionalism during this incident, as well as to our passengers who all worked together during this extremely stressful moment,” Adam Barth, CEO of the Stanislaus Regional Transit Authority, said in a statement to ABC affiliate KXTV in Sacramento. “We also thank the CHP for their quick action to ensure the safety of our passengers and drivers.”

The Corral Fire also prompted the California Highway Patrol on Saturday to close all lanes of Interstate 580, a major artery over the Altamont Pass, after heavy smoke and fire forced eastbound vehicles on the highway to turn around and head west, officials said.

According to the California Highway Patrol, all lanes of Interstate 580 were reopened on Sunday.

More than 475 firefighters and firefighting aircraft were able to bring the fire under control on Sunday and Monday after winds died down, allowing crews to increase fire containment by about 30 to 50 percent, Cal Fire officials said.

Two firefighters were injured in the fire, said Cal Fire Battalion Chief Josh Silveira. He said one firefighter suffered minor injuries and the other moderate injuries.

“This is a reminder that fire season continues year-round. Despite the wet winter, fuel is now dry. Californians should be aware of the fire danger,” Silveira told ABC News.

Silveira said the Corral Fire burned in a rural area covered with thick, dry grass that was up to four feet tall in some parts.

“When everything came together yesterday – the higher temperatures, the strong winds and the dry fuel – it became difficult for firefighters to stop working,” Silveira said.

Silveira said the wind that fueled the fire overnight Saturday had largely subsided, allowing firefighters to make progress in containing the blaze.

Silveira said one building was burned down in the fire and more than 100 homes were evacuated. Evacuation orders were lifted Sunday evening.

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