SACRAMENTO (CBS) — A tornado warning has been issued for parts of Merced and Tuolumne Counties Tuesday afternoon, as severe weather strikes the Central Valley and the Sierra foothills.

CBS Sacramento reported. The warning was issued when a trained weather spotter saw two funnel clouds north of Turlock.

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A severe storm warning has been also been issued for Stanislaus and Tuolumne Counties, which expires at 2:30 p.m.

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So far, no tornadoes have touched the ground.

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