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As the Dixie fire in Butte County balloons in size, the Sugar fire burning in Plumas National Forest north of Sacramento has become the first 100,000-acre fire in California this year.

The lightning-sparked Sugar fire ignited July 2 and quickly swelled in size as crews battled extreme temperatures and strong gusts of wind.

In the days that followed, spot fires and flare-ups made it difficult for firefighters to gain a footing on the blaze, officials said. At one point, it grew with such velocity that its massive cloud of smoke, ash and heat generated its own lightning.

As of Friday morning, the Sugar fire had reached 104,567 acres and was 68% contained.

Read the full story on LATimes.com.