Sierra Wildfire Now California’s Fourth-Largest

The wildfire burning in and around Yosemite National Park has become the fourth-largest conflagration in modern California history, fire officials said Sunday as clouds and higher humidity helped crews further contain the biggest blaze in the United States this year.

The 2-week-old Rim Fire moved up a spot on the state’s list of large wildfires dating back to 1932 when it grew to 348 square miles – an area larger than the cities of San Francisco, Oakland and San Jose combined – on Saturday, California Department of Forestry and Fire Protection spokesman Daniel Berlant said.

Although the fire still is growing, it was 40 percent contained as of Sunday, up from 35 percent a day earlier.

Moister air was expected to slow flames from advancing through brush and trees, giving firefighters room to set backfires, dig containment lines and to strengthen lines around threatened communities, U.S. Forest Service spokeswoman Pam Baltimore said.

Full containment is not expected until Sept. 20.

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