Tornado History

Unionville Tornado History

This location page summarizes tornado records that list Unionville, Maryland as a begin or end location. The dataset includes 4 matching records from 2010 through 2021. The strongest matching rating is EF1 (Moderate damage), the latest matching tornado is May 3, 2021, and minimum reported property damage totals $190K.

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4recorded tornadoes
EF1 (Moderate damage)highest rating
$190Kminimum property damage
May 3, 2021latest tornado
4.36 milongest listed path
440 ydwidest listed path

Historical Track Sketch

EF1 April 16, 20112011EF1 April 16, 20112011EF0 May 3, 20212021EF0 August 12, 20102010© OpenStreetMap contributors

Rating Breakdown

  • EF1 (Moderate damage)2
  • EF0 (Light damage)2

Most Active Years

  • 20112
  • 20101
  • 20211

Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
April 16, 2011EF1Frederick, Maryland4.36 mi50 yd00$50K
April 16, 2011EF1Frederick, Maryland1.29 mi50 yd00$25K
May 3, 2021EF0Frederick, Maryland0.64 mi150 yd00$100K
August 12, 2010EF0Frederick, Maryland0.24 mi440 yd00$15K

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Source And Limits

Data source: NOAA/NCEI. TornadoTrace summarizes historical records for screening and research. Coordinates, damage estimates, narratives, and event details can be approximate, incomplete, revised, or missing. Do not use this page as legal, insurance, engineering, real estate, emergency management, or safety advice.