Tornado Outbreak Facts: April 27, 2011

News 5 Meteorologist David Boyd compiled this list of facts about the tornadoes that hit the area in April 2011.


Tornado Outbreak Facts: Night of April 27, 2011Total number of tornadoes in the viewing area:10EF0: 3EF1: 2EF2: 2EF3: 3For reference, the Enhanced Fujita scale classifies tornadoes into the following categories:EF0...wind speeds 65 to 85 mph.EF1...wind speeds 86 to 110 mph.EF2...wind speeds 111 to 135 mph.EF3...wind speeds 136 to 165 mph.EF4...wind speeds 166 to 200 mph.EF5...wind speeds greater than 200 mph.Death toll: 14 totalGreene County: 7Washington County, TN: 1Johnson County: 2Washington County, VA: 4Five tornadoes touched down in Greene County that evening, three tracked into Washington County, Tennessee. From 1887 to 2010, only eight tornadoes have been documented in Greene County, Tennessee. Five were recorded in one night on April 27, 2011! The last documented tornado to hit Greene County before this outbreak occurred in 1994.Four tornadoes also touched down in Washington County, Virginia, with one crossing the border into Smyth County. The tornado that blew through Glade Spring was on the ground approximately 25 miles in Washington County, making this the longest-track tornado ever recorded in the county.One tornado struck Johnson County, Tennessee. This is only the second documented tornado in Johnson County.Greene/Washington County, Tennessee storm facts:1) The Horse Creek/South Central tornado was an EF3.2) The Camp Creek tornado was an EF3 (upgraded from EF2).3) The Liberty Hill/Ducktown tornado was an EF2.4) The Houston Valley tornado was an EF0.5) The Exit 23/Mohawk tornado was an EF0.Washington/Smyth County, Virginia storm facts:5) The Bethel/Glade Spring/Chilhowie tornado was an EF3.6) The South Abingdon tornado was an EF1.7) The Green Cove tornado was an EF1.8) The Reedy Creek tornado was an EF0.Johnson County, Tennessee storm facts:9) The Butler/Doe Valley tornado was an EF2.

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