EF1 tornado in Bucks County, Pennsylvania

The storm which produced a strong tornado in Montgomery County,

PA, cycled and produced another tornado in Bucks County, PA.

Damage began near in the area of Neshaminy Creek between Valley Rd

and Pebble Hill Rd in Doylestown. The tornado tracked north-

northeast from there, producing a consistent path of damage.

Damage was mainly confined to trees and was fairly extensive at

times, with much of the path length being heavily wooded. Numerous

hardwood and softwood trees were snapped and uprooted along the

path. Damage was strongly suggestive of tornadic winds, and a

tornado debris signature was also evident on radar. The heaviest

damage occurred near and along a stretch of Edison- Furlong Rd.

Extensive tree damage occurred along that road and a number of its

cross streets. Several utility poles were snapped in this area.

Tree damage along nearby Swamp Rd was also significant. The

tornado continued but began to lose intensity as it approached

Route 202, with sporadic tree damage observed on Mill Rd. Gradual

weakening continued and the tornado appeared to lift entirely in

the area of Burnt House Hill Rd. The extent of tree damage

suggested maximum winds of around 100 mph. No injuries were

reported as a result of this tornado.

The remnants of Hurricane Ida impacted the mid-Atlantic on September 1, 2021. As it moved northward, Ida began transitioning to a strong mid-latitude cyclone with pronounced frontal features, but with continued tropical moisture. On a regional level, the remnants of Ida became one of the most severe natural disasters in US history, due to a combination of several tornadoes, some of them strong, as well as catastrophic flooding over a large and densely populated area. The severe weather threat unfolded as the system's developing warm front lifted northward from the Delmarva region into Pennsylvania and New Jersey. South of the warm front, partial clearing and moderate to strong instability developed. Meanwhile, very strong shear and forcing, along with tropical moisture, were present within the warm sector. The result was widespread convection in the form of both supercell and quasi-linear thunderstorms. A number of storms became severe across the region, producing several tornadoes and other instances of wind damage. This continued an exceptionally active stretch of high end severe weather in the region, coming barely a month after the tornado outbreak of July 29.