There have been 324 tornadoes recorded in Maryland since official records began in 1950 (as of 2011).
No. No tornado stronger than F5 has ever been recorded.
On 2002 April 28, an F4 tornado struck southern Maryland (La Plata), killing four people and destroying many buildings. This was initially thought to have been an F5 tornado and may have been the most severe tornado recorded in Maryland. La Plata was also the site of Maryland's most deadly tornado on November 9, 1926, when 17 people died, most of them in a small schoolhouse in La Plata.
have not been found
Yes there has.
Yes. There have been a few.
No. The widest tornado ever recorded was half that: 2.5 miles wide.
No. A tornado is a violently rotating column of air. There is no air in space.
Yes, the state at least gets them every year. There has been at least one tornado in the Bronx.
Yes. Duncanville, Texas was hit by an F2 tornado on April 20, 1977.
Yes. Wolcott was hit by an F1 tornado on July 3, 1996.
Yes, tornadoes have been recorded in every month.
If there ever was one on the lake it would be a water spout not a tornado. Tornadoes are on land not water. A water spout is on the water.