The following events were reported: Thunderstorm Wind, Tornado. These occurred near station USW00094823, approximately 35.6576 km away, between 2017-05-01 13:13:00 and 2017-05-01 14:45:00.Thankfully, no injuries or fatalities were reported. The events caused property damage valued at 30200.0 and crop damage of 0.0. Episode Narrative: A large low pressure system tracked across the Great Lakes during the late afternoon and early evening, dragging a cold front across the region. Ahead of the front, shortwaves embedded in strong southerly flow supported showers and thunderstorms, some of which became severe during the afternoon. Convection organized into a squall line that produced wind damage. While instability was not excessive, high levels of wind shear and low level helicity produced several rotating storms in the main line. These storms produced 6 confirmed tornadoes including 2 EF-0s across Butler county, and 3 EF-0s and 1 EF-1 in Clarion county in Pennsylvania. Most damage was done to trees or structures from falling/snapped trees. A large low pressure system tracked across the Great Lakes during the late afternoon and early evening, dragging a cold front across the region. Event Narrative: A trained spotter reported power lines down. The public reported trees snapped and large limbs down. National Weather Service survey noted snapped limbs off a poplar tree and an uprooted softwood tree along Jennie Lane. Received report on social media of a tree uprooted. State official reported many large trees down. National Weather Service storm survey noted numerous trees uprooted and some large limbs snapped along Brown Lane. Fascia was also removed from a small home in this area. Trained spotter reported large branches greater than 2 inches down. Trained spotter reported a large limb down along Roberts Drive. Amateur radio reported multiple trees down. The National Weather Service in Pittsburgh PA has confirmed a|tornado near Prospect in Butler County, western Pennsylvania on|05/01/2017.||A focused, narrow, path of tree damage was encountered beginning|along Portersville Road near Sechan Road. In this area, dozens of|hardwood and softwood trees were snapped or uprooted. Roofing|panels on a barn in this area were removed by the wind, and|paneling was removed from a trailer door. A home in this area that|sustained a near direct hit by the tornado appears to have been|sheltered by surrounding trees and suffered only minor damage. ||The tornado then moved through a mobile home park, where extensive|tree damage was encountered. Vehicle and mobile home damage in the|Main Street and Douglas Street area appears to be been caused|predominantly by falling trees, although the wind did sweep out|foundational siding. ||The tornado then weakened (with pockets of focused damage) while|it continued to the area of Grindle Road and Election House Road,|where modest damage was sustained at a greenhouse property. Among|other damage at this site, a large container was lofted and|transported several tens of feet over a greenhouse structure. County official reported a tree down on a house on Payne Hill Road. Social media reported tree limbs down. County official reported Stilley Road closed due to downed power lines between Route 51 and Prospect Road.