California firefighters aided by aircraft battled a wind-driven wildfire burning Sunday in an area straddling the San Francisco Bay Area and central California, authorities said.

The Corral Fire began burning Saturday near the city of Tracy, 60 miles (96 kilometers) east of San Francisco, and the Lawrence Livermore National Laboratory in the city of Livermore, according to the California Department of Forestry and Fire Protection, or Cal Fire.

Dark plumes of smoke traveled high into the sky over the fire area comprised mostly of grassy hills, where strong winds continued overnight.

Early Sunday, Cal Fire updated the size of the fire to 17.2 square miles with 13% contained, which increased from an earlier report of 13.7 square miles.

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Interstate 580, which connects the San Francisco Bay Area to San Joaquin County in central California, was closed in both directions from Corral Hollow Road to Interstate 5 due to the lack of visibility from the smoke, the California Department of Transportation said in a statement.

The San Joaquin County Office of Emergency Services issued an evacuation order, pinpointing the wildfire in an area east of Interstate 580. Residents between Corral Hollow Road and Tracy Boulevard were ordered to leave their homes, with residents south of Tracy Boulevard told to be prepared for evacuation.

An evacuation update included areas west of the California Aqueduct south of Corral Hollow Creek, west to Alameda County and south to Stanislaus County. A temporary evacuation point was established at Larch Clover Community Center in Tracy, the county emergency services office said on its website.

The wildfire was near the Lawrence Livermore laboratory’s Site 300 southwest of Tracy, Cal Fire said in a social media post late Saturday.

Lawrence Livermore is a research and development institution primarily focusing on the U.S. nuclear weapons stockpile. Site 300, 15 miles (24 kilometers) east of the laboratory’s main installation, supports “development of explosive materials as well as hydrodynamic testing and diagnostics,” according to the Lawrence Livermore National Laboratory website.

“Here, our researchers can safely formulate, fabricate, and test high-explosive assemblies to assess the performance of nonnuclear weapon prototypes and components,” the website says of Site 300.

The wildfire presented no threats to any laboratory facilities or operations and the fire had moved away from the site, Lawrence Livermore spokesperson Paul Rhien said in a statement to The Associated Press early Sunday.

“We have been working in close partnership with Cal Fire, Alameda County Fire Dept, and other emergency services partners throughout the evening,” Rhien said. “As a precaution, we have activated our emergency operations center to monitor the situation through the weekend.”