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Tornado (EF2) — Montgomery, Pennsylvania
September 1, 2021 · NOAA Storm Events record
Event narrative (NOAA)
A semi-discrete supercell thunderstorm began to exhibit rotation |over Delaware County, PA around 5:15 PM on September 1. The |rotation continued north-northeast into Montgomery County, and |eventually strengthened enough to produce a tornado. Minor tree |damage was first observed along Stenton Ave in Fort Washington in |the area of the Philadelphia Cricket Club. A path of tree damage |was observed heading northeast along Joshua Rd and through Fort |Washington State Park. Some minor shingle and siding damage to |houses was also seen. ||Damage became more severe after the tornado crossed the |Pennsylvania Turnpike. At this time the tornado also moved into a |more residential area. Damage was observed along Montgomery Ave, |Spring Ave, and Prospect Ave and numerous crossing streets of |those
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Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.