CRANBERRY TWP — The National Weather Service issued a tornado warning for southwestern Butler County after a thunderstorm capable of producing a tornado was located over Cranberry Township, moving east at 40 miles per hour.

According to the National Weather Service, which issued the warning at 2:51 p.m., rotation was indicated on radar.

The storm will be near Seven Fields around 2:55 p.m. and Gibsonia and Mars around 3 p.m., with Callery, Valencia, Warrendale, Pine Township and Bradford Woods impacted by the tornadic thunderstorm.

At 2:58 p.m., the tornado warning was extended to 3:15 p.m. for Bakerstown PA, Mars PA, Valencia PA.

Initially, Butler County's severe weather outlook from earlier today was upgraded to a severe thunderstorm warning.

At 2:37 p.m., the service had issued a severe thunderstorm warning for southwestern Butler County until 3 p.m.

According to the alert, wind gusts are the primary concern and can be as high as 60 mph.

“Expect damage to trees and power lines, resulting in some power outages,” the alert said.

The county was already under a hazardous weather outlook throughout Monday and was placed in a severe thunderstorm watch at around 12:30 p.m.

“These storms have a history of producing damaging wind gusts,” the service said. “Move indoors immediately and stay away from windows.”

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