Tornadoes reported in Frederick, Carroll counties Saturday and near Leesburg

Late Monday night update: The National Weather has confirmed a tornado did indeed touch down around Leesburg (as suggested might be the case below). Additional details will be forthcoming

From 6:30 p.m.: Tornadoes touched down in several places in Frederick and Carroll counties during Saturday’s severe weather outbreak in the region according to preliminary reports from the National Weather Service (NWS). Unlike the storms in the Carolinas and southeast Virginia, these storms were relatively weak, and caused only minor damage and no injuries.

The NWS filed a report with maximum winds of 90-100 mph carved a one mile path in Frederick County just north of New Market. The EF-1 rated storm uprooted numerous trees, partially destroyed barns, and caused roof damage to one residence.

Several miles to the east-northeast, a tornado with maximum winds of 70-80 mph carved a three mile path just north of Mt. Airy (or three miles southeast of Unionville). This weak, EF-0 rated storm, reached a maximum width of 50 yards. The NWS reported that damage was limited to some snapped trees and ripped off roof shingles.

It’s likely both tornado reports in Frederick County originated from the same thunderstorm.


Storm warnings issued Saturday (tornado warnings in red, severe thunderstorm warnings in yellow, flash flood warnings in green and special marine warnings in purple). Numerous tornado warnings were issued across the region Saturday, but so far, evidence of tornadoes touching the ground has only emerged in Frederick and Carroll counties.

Outside of Frederick and Carroll counties, there was some speculation that a tornado may have occurred near Leesburg due to damage in the area. The weather blog “Storm Chaser’s Forecasts” documented some rotation in the thunderstorm on radar as it passed by. And it was part of the same thunderstorm complex that spun up the tornadoes in Frederick and Carroll counties. The NWS Office in Sterling said it was investigating the possibility of a tornado there, but there has yet to be a report or confirmation.

All of the above information is from preliminary NWS information. More complete, detailed information will be available when NWS publishes its comprehensive tornado surveys.

Additional reading:

Tornado touches down near Mount Airy

Tornadoes confirmed in Frederick and Carroll counties

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.

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