Following are some sources of information on the F-2 tornado (wind speeds 111 to 135 miles per hour) that in the early morning hours of July 24, 2017, cut a swath cross Kent Island, Maryland, that was two miles long and 150 yards wide at its maximum. Kent Island, part of Queen Anne’s County, is in the Chesapeake Bay at the eastern end of the U.S. Rt. 50/Chesapeake Bay Bridge. The tornado, the first F-2 tornado on Maryland’s Eastern Shore since 2002 (according to a Washington Post report) occurred during a series of severe storms in Maryland and several other Middle Atlantic states.
National Weather Service Public Information Statement, 7/24/17, 3:27 p.m. EDT.
Weather Service confirms Eastern Shore tornado — EF-2 with 125-mph winds, Washington Post, 7/24/17.
It’s devastating’: Tornado causes extensive damage on Kent Island, Baltimore Sun, 7/24/17.
Cleanup continues: Tornado damage on Kent Island ‘like a war zone’, WTOP Washington, 7/25/17.
From the National Weather Service public information statement listed above, here are the six tornado wind-speed categories from the Enhanced Fujita Scale:
EF0 – 65 to 85 mph;
EF1 – 86 to 110 mph
EF2 – 111 to 135 mph;
EF3 – 136 to 165 mph;
EF4 – 166 to 200 mph;
EF5 – greater than 200 mph.
For more information on classifying tornadoes, see the NOAA/Storm Prediction Center, “Enhanced F Scale for Tornado Damage,” online at http://www.spc.noaa.gov/faq/tornado/ef-scale.html.