SHASTA COUNTY (CBS SF) — Fire crews are at the scene of a 50-acre vegetation fire burning near the Shasta County town of Happy Valley Wednesday afternoon that initiated some evacuation orders, authorities said.

Shortly before 3 p.m., the Shasta County Sheriff’s Office tweeted that Happy Valley residents on Cloverdale Road west to Clover Lane, Dale Lane and Hiding Place are all under evacuation orders.

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An evacuation center has been set up at West Valley High School at 3805 Happy Valley Road in Cottonwood, the sheriff said.

Additionally, the sheriff said Cloverdale Road has been closed at Cobblestone and Heavenly. Other residents in the area should be prepared to evacuate if need be.

The fire has grown to approximately 50 acres.

The regional Cal Fire Twitter account for the unit covering Shasta and Trinity counties posted about the fire burning at Pine Meadow and Cloverdale Road shortly before 2 p.m.

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The fire — being referred to as the Pine Fire — was consuming dried grass and brush amid dangerous extreme drought conditions.

Air support has already been called in on the fire. There are reports of multiple spot fires and multiple structures being threatened.

As of about 4:20 p.m., Cal Fire officials said the fire was 25% contained and holding at 50 acres with forward spread stopped.