Lightning sparks fires in Tuolumne County, evacuations underway

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Lightning-sparked wildfires in 3 California counties

A series of lightning-sparked wildfires moved fast in the Sierra foothills on Tuesday, burning several homes and prompting evacuations. The TCU September Lightning Complex fire is burning in Tuolumne County. Stanislaus and Calaveras County are also seeing weather-related wildfires with nearly 10,000 acres burned and no containment.

A series of lightning-sparked wildfires led to evacuation orders in the Sierra Foothills in Tuolumne County on Tuesday, fire officials say. 

Video shows fierce flames being fanned by strong winds in what CAL FIRE is calling the TCU September Lightning Complex fire. 

The fires are near the Don Pedro Reservoir and the communities of Sonora, Arnold and San Andreas among others. 

According to CAL FIRE, 9,383 acres have burned as of Tuesday night. 

Fire officials said the complex fire was sparked by lightning Tuesday morning in an area along Highway 4. 

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Lightning sparks fires in Tuolumne County, evacuations underway

A series of lightning-sparked wildfires has led to evacuation orders in the Sierra Foothills in Tuolumne County on Tuesday. Video show structures burning and fierce flames being fanned by strong winds in what CAL FIRE is calling the TCU September Lightning Complex fires.

The largest of the fires has burned nearly 3,000 acres west of Jamestown. 

You can read more about the evacuation orders and warnings here

KTVU's meteorologists said temperatures were in the 90s in the area and will continue to see hot and dry conditions. The air quality in Tuolumne County is poor with plenty of smoke in the air. 

The region has seen as many as 4,500 to 5,000 lightning strikes, according to the National Weather Service. 

CAL FIRE said hot, dry weather and thunderstorms are creating "critical fire weather" conditions from 1 to 9 p.m. There are red flag warnings in effect in the far northern parts of the state, including Siskyou County from the Cascade Mountains east and south to Mt Shasta - Modoc County. The red flag warning is in effect through 8 a.m. Wednesday. 

This is a developing story. 

Lightning show electrifies Bay Area skies

Bay Area residents were treated to a lightning show decorating the sky early Tuesday morning, with electric streaks seen throughout the region in Gilroy, Livermore, Vallejo, Napa and beyond. 

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