466 NOUS41 KPBZ 260033 PNSPBZ OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-029- 031-073>076-WVZ001>004-012-021-509>514-261245- Public Information Statement National Weather Service Pittsburgh PA 833 PM EDT Mon Oct 25 2021 ...NWS SUMMARY FOR OCTOBER 21ST 2021 TORNADO EVENT... A tornado outbreak occurred in the NWS Pittsburgh forecast area during the evening of Thursday, October 21st, 2021. Here are some relevant tornado statistics for the NWS Pittsburgh forecast area: - A total of 11 tornadoes have been confirmed to occur as a part of this outbreak. A total of 29 tornadoes have been confirmed during the 2021 calendar year. - Since 1950, the NWS Pittsburgh forecast area averages 4 to 5 tornadoes each calendar year. - Every calendar year since 2017 has had greater than or equal to 10 confirmed tornadoes. During the period from 1999-2016 inclusive, no calendar year had more than nine tornadoes. - Prior to this year, the year that saw the most confirmed tornadoes was 1990, when 16 tornadoes occurred. - Combined with the five confirmed tornadoes that occurred on October 16th of this year, the total for the month of October 2021 now stands at 16 tornadoes. - For the years from 1950 to 2020 inclusive, a total of 10 confirmed tornadoes occurred during the month of October. What follows is the storm survey summary for each of the 11 tornadoes that occurred on October 21st. At this time, no further tornado surveys are planned for this event, unless new potential tornado damage reports are received. .Mount Pleasant, Ohio... Start Location...Mount Pleasant in Jefferson County Ohio End Location...Mount Pleasant in Jefferson County Ohio Date...October 21 2021 Estimated Time...703pm - 705pm Maximum EF-Scale Rating...EF1 Estimated Maximum Wind Speed...100 mph Maximum Path Width...70 yards Path Length...1/2 mile Beginning Lat/Lon...40.164N /-80.829W Ending Lat/Lon...40.166N / -80.821W * Fatalities...0 * Injuries...0 ...Summary... The National Weather Service conducted a survey off Township Road 102 just southwest of Mt. Pleasant, Ohio. The damage was confined to hardwood and softwood trees. They were either snapped at the trunk, missing large branches, or uprooted. There was a 100 year old oak tree that was uprooted. The only structure damage was to a house, which loss less than 20% of its shingles. This is the 8th documented tornado since 1950. The most recent one prior to this was July 29th of this year. The National Weather Service would like to thank Jefferson county Emergency Management for their assistance. .Loomis to Warnock Ohio Start Location...Loomis in Belmont County Ohio End Location...East of Warnock in Belmont County Ohio Date...October 21 2021 Estimated Time...706pm - 709pm Maximum EF-Scale Rating...EF1 Estimated Maximum Wind Speed...90mph to 95mph Maximum Path Width...50 yards Path Length...6 miles /intermittent touch downs/ Beginning Lat/Lon...40.003N / -80.944W Ending Lat/Lon...40.038N / -80.893W * Fatalities...0 * Injuries...0 ...Summary... The National Weather Service surveyed three touch down points in Belmont county. The first was in the small town of Loomis where several hardwood trees had large branches down and a tree was uprooted. The next point was a roof that was blown off a business and displaced nearly 150 yards behind the business. In addition, a motor home was toppled over and landed on two sports car damaging both of them. A shed was also destroyed at this location, which was adjacent to the business. The last point several hardwood trees where knocked down. This is the 4th tornado since 1950 to impact Belmont county and the most recent one prior to this was August 14th in 2016. We would like to thank Belmont County Emergency Management for their assistance today. .West Finley, Pennsylvania... Start Location...West Finley in Washington County Pennsylvania End Location...West Finley in Washington County Pennsylvania Date...October 21 2021 Estimated Time...758pm - 800pm Maximum EF-Scale Rating...EF1 Estimated Maximum Wind Speed...100 mph Maximum Path Width...50 yards Path Length...0.55 miles Beginning Lat/Lon...39.998N / -80.365 Ending Lat/Lon...39.999N / -80.355 * Fatalities...0 * Injuries...0 ...Summary... The National Weather Service conducted a survey off E Finley Dr in Washington County. The damage path was oriented west-to-east near a road that consisted of farms and residences. Damage consisted of several snapped and uprooted hardwood trees, roof damage to a shed, and a completely destroyed barn. .Mount Nebo... Start Location...2 N Ben Avon Heights in Allegheny County PA End Location...2 N Ben Avon Heights in Allegheny County PA Date...10/21/2021 Estimated Time...07:41 PM EDT Maximum EF-Scale Rating...EF0 Estimated Maximum Wind Speed...70 mph Maximum Path Width...100.0 yards Path Length...0.5 miles Beginning Lat/Lon...40.5347 / -80.0713 Ending Lat/Lon...40.5372 / -80.0616 * Fatalities...0 * Injuries...0 ...Summary... A damage survey confirmed that a brief tornado occurred in and near the Mount Nebo Pointe shopping center as a result of a failed attempt at sustained tornadogenesis. Damage at the Target store included broken glass in the entry doors (which were sucked outward by the wind), as well as damage to a sign on the west- facing side of the store. Minor tree damage and tall grass blowdown was noted on the eastern side of the shopping center and tree damage was noted at the base of the hill on the western side. The circulation lifted very soon after as it reached a small gully to the east. Damage indicators were consistent with a maximum wind speed of 70 MPH during this brief event. .Hampton Twp... Start Location...3 NNW Fox Chapel in Allegheny County PA End Location...2 SSW Hampton Township in Allegheny County PA Date...10/21/2021 Estimated Time...07:47 PM EDT Maximum EF-Scale Rating...EF1 Estimated Maximum Wind Speed...105 mph Maximum Path Width...400.0 yards Path Length...4.8 miles Beginning Lat/Lon...40.5689 / -79.8921 Ending Lat/Lon...40.5637 / -79.9813 * Fatalities...0 * Injuries...0 ...Summary... A damage survey confirmed that a tornado tracked across the southern portion of Hampton Township, PA. This tornado was associated with the same circulation that initially produced a brief tornado earlier in Mount Nebo. Damage was first noted in the area of Auld and Forest Avenues, in the form of light structural damage to homes. The tornado strengthened on Linden Drive, with several snapped hardwood and softwood trees, as well as the uplift of a roof. Damage in this area was consistent with wind speeds of 90 to 95 MPH. Snapped and uprooted trees were seen as the tornado continued across Parkview Lane and then to Duncan Avenue. Farther east, in the Church Hill area, snapped and uprooted trees were observed, with one large tree on a house on Cole Avenue, and some other minor structural damage where Cole intersects with Miller Avenue as well as Cella Lane, representing a rough tornado track width of 200 yards. The tornado weakened considerably after it crossed Route 8 and into Bryant, before causing more damage in the vicinity of Middle Road. Widespread snapped hardwood trees were seen between John Giel Drive and Green Valley Drive, and a cinder-block outbuilding was destroyed, with debris being blown downwind 1/4 mile. Damage here was consistent with 100 to 105 MPH wind. Tree damage continued ENE into Hartwood Acres Park and then to Dorseyville Road, where the damage path finally ended as the tornado dissipated. NWS Pittsburgh is grateful to Hampton Township and Allegheny County EMA for their assistance with this damage survey. .Butler... Start Location...2 W Homeacre-Lyndora in Butler County PA End Location...3 ENE East Butler in Butler County PA Date...10/21/2021 Estimated Time...07:33 PM EDT Maximum EF-Scale Rating...EF0 Estimated Maximum Wind Speed...80 mph Maximum Path Width...300.0 yards Path Length...8.9303 miles Beginning Lat/Lon...40.88 / -79.954 Ending Lat/Lon...40.8959 / -79.7855 * Fatalities...0 * Injuries...0 ...Summary... A damage survey confirmed a discontinuous tornado path causing sporadic tree damage of varying intensity as it tracked across central Butler County. The most significant damage was noted along Woodcrest Road, where numerous trees were snapped or uprooted and flagpoles were bent over by the wind. Damage was consistent with wind up to 80 mph. This tornado was part of a radar-indicated circulation that began in Beaver County. .New Galilee, PA... Start Location...1 NNE New Galilee in Beaver County Pennsylvania End Location...3 NNE New Galilee in Beaver County in Pennsylvania Date...October 21 2021 Estimated Time...656pm-659pm Maximum EF-Scale Rating...EF1 Estimated Maximum Wind Speed...90 mph Maximum Path Width...40 yards Path Length...2 miles Beginning Lat/Lon...40.844N / -80.378W Ending Lat/Lon...40.842N / -80.348W * Fatalities...0 * Injuries...0 ...Summary... The National Weather Service in Pittsburgh conducted a storm survey in far northern Beaver County just northeast of New Galilee. The damage was confined along either side of Fairlane Boulevard / State Route 351. Majority of the damage was hardwood and softwood trees missing large branches. One softwood tree was uprooted, which was the damage indicator that warranted the EF1 rating. One of the large branches fell onto a detached garage causing damage to the roof. The tornado lifted prior to reaching the intersection of State Route 351 and Big Beaver Boulevard. From 1950 to 2020 we documented 18 tornadoes in Beaver County. We would like to thank Beaver County Emergency Services for their help in the process. .Franklin Township - Harmony Township... Start Location...4 ESE Ellport in Beaver County Pennsylvania End Location...4 NW Harmony in Butler County in Pennsylvania Date...October 21 2021 Estimated Time...711pm-716pm Maximum EF-Scale Rating...EF1 Estimated Maximum Wind Speed...90 mph Maximum Path Width...110 yards Path Length...2.61 miles Beginning Lat/Lon...40.849N / -80.149W Ending Lat/Lon...40.843N / -80.198W * Fatalities...0 * Injuries...0 ...Summary... The National Weather Service in Pittsburgh conducted a storm survey in far northeastern Beaver County in Franklin Township eastward to Harmony Township Butler County. The damage much like previous ones for this event was regulated to hardwood and softwood trees. There was no structure damage observed along the track. Damage initially started on American School Road then east along North Camp Run Road. The most intense damage was recorded farther down American School Road where at least 30 hardwood trees were uprooted or had large branches down. As the tornado continued down American School Road down softwood trees and hardwood trees snapped at the trunk were observed. The tornado lifted as it crossed into Butler County just beyond the intersection of American School Road and Scott Ridge Road. From 1950 to 2020 we documented 18 tornadoes in Beaver County. We would like to thank Beaver County Emergency Services for their help in the process. .Peters Township Tornado... Start Location...2 S McMurray in Washington County PA End Location...2 SE McMurray in Washington County PA Date...10/20/2021 Estimated Time...08:07 PM - 8:10 PM EDT Maximum EF-Scale Rating...EF1 Estimated Maximum Wind Speed...95 mph Maximum Path Width...100.0 yards Path Length...1.5099 miles Beginning Lat/Lon...40.2549 / -80.0945 Ending Lat/Lon...40.2571 / -80.0661 * Fatalities...0 * Injuries...0 ...Summary... A NWS damage survey confirmed that an EF-1 tornado, with winds speeds ranging between 90 to 95 MPH, tracked through portions of Peters Township in Washington County on the evening of October 21, 2021. The length was 1.5 miles and the width in some areas was about 100 yards. This tornado was associated with the same circulation that initially produced an EF-1 tornado in Jefferson County, OH and an EF-2 in Hopewell Township a few miles to the west. A few broken branches were noted along Thomas Road near Peters Lake Park. However, the tornado quickly intensified as it cross Hill Place Road. Trees were uprooted and snapped in the vicinity of Springdale Road and Sunrise Lane. A number of new and well-structured brick homes had window damage, a garage blown out, shingle damage, and trees snapped. The tornado weakened and dissipated just west of Bower Hill Road. .Buffalo Tornado... Start Location...3 ENE Bethany in Washington County PA End Location...1 NNW Houston in Washington County PA Date...10/21/2021 Estimated Time...07:30 PM - 7:57 PM EDT Maximum EF-Scale Rating...EF2 Estimated Maximum Wind Speed...130 mph Maximum Path Width...150.0 yards Path Length...15.6591 miles Beginning Lat/Lon...40.2248 / -80.5049 Ending Lat/Lon...40.2592 / -80.2131 * Fatalities...0 * Injuries...0 ...Summary... A NWS damage survey confirmed that an EF-2 tornado, with winds peaking near 130 MPH, tracked through western Washington County on the evening of October 21, 2021. The length was about 15 miles and the width in some areas was about 150 yards. This tornado was associated with the same circulation that initially produced a tornado in Jefferson County, Ohio earlier. Weak tornado damage was first noted along Brashears Run Road with a few fallen trees. The storm rapidly intensified along Indian Camp Rd, where a mobile home had roof damage and a well-structured deck was ripped and tossed into the neighbor s yard. Many trees were snapped and uprooted as well. Damage in this area was consistent with winds speeds of 90-95 MPH. The tornado continued east towards Hopewell Township. Noted roads that had tree and structure damage, associated with EF-1 damage, were Short Cut Road, Scenic Drive, Raccoon Run Road, Possum Hollow Road, Old Trail Road, Jefferson Avenue, Park View Drive, and Oakleaf Road. Peak intensity was reached near Willow Road and Lowry Lane where a two story home had a roof completely torn off and tossed about 100 feet and a few portions of the walls collapsed. With closer inspection, a few of the foundation blocks were shifted on both sides of the house. Peak wind was near 130 MPH in this region. A few hundred feet away a farm building was completely destroyed. As the tornado crossed Lynn Portal Road an advanced along White Lane, a solid brick home lost the roof and the attached garage. The tornado started to weaken, but still continued to hold near 100 MPH winds, as it tracked across McCarrell Road, Western Ave, and towards the outskirts of the city of Houston, PA. The tornado appears to have dissipated near North Main Street and Pine Ave north of Houston, PA. .East Finley Township Tornado in Washington County Pennsylvania... Start Location...3 NE East Finley in Washington County, PA End Location...3 NE East Finley in Washington County, PA Date...October 21 2021 Estimated Time...7:59 PM EDT Maximum EF-Scale Rating...EF-1 Estimated Maximum Wind Speed...90 mph Maximum Path Width...30 yards Path Length...0.4 miles Beginning Lat/Lon...40.060/-80.364 Ending Lat/Lon...40.063/-80.358 * Fatalities...0 * Injuries...0 ...Summary... A NWS damage survey, conducted both by ground and aerial drone, confirmed that an EF-1 tornado, with speeds ranging between 80 and 90 mph, tracked through eastern portions of East Finley township on the evening of October 21, 2021. The tornado initially touched down on open farmland approximately 0.4 miles west of Quaker Ridge road, where drone footage discovered damage to several trees along opposing tree lines, with a distinct scouring pattern observed in the open pasture between them. The tornado continued eastward through wooded area, producing the most significant damage to a cluster of trees along Quaker Ridge Road adjacent to the parking area for Pennsylvania State Games lands. At least 10 mature trees of up to 8 inches in diameter were snapped anywhere from 1/4 to 3/4 of the way up the trunk line. The tornado continued east across Quaker Ridge road into the woodlands for another 100 ft, producing lesser tree damage until dissipating. This damage is coincident with a strong radar signature from both the NWS Pittsburgh and Pittsburgh International Airport Doppler radars. A thorough survey of the area several miles west and east of this tornado yielded no additional damage. This tornado occurred with one of three separate thunderstorms which crossed Washington County between 730 and 830 PM, all producing tornadoes nearly simultaneously. EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0...Weak......65 to 85 mph EF1...Weak......86 to 110 mph EF2...Strong....111 to 135 mph EF3...Strong....136 to 165 mph EF4...Violent...166 to 200 mph EF5...Violent...>200 mph * The information in this statement is preliminary and subject to change pending final review of the events and publication in NWS Storm Data. $$