There is no such thing as an E4 tornado. An EF4 tornado has peak estimated winds of 166-200 mph. In some cases, however a tornado rated EF4 may have been capable of producing EF5 damage (winds over 200 mph) but did not impact any structures that culd yield an EF5 rating.
There is no given speed at which such a tornado travels, but wind speeds are estimated at 166 to 200 mph.
An EF3 tornado has peak winds estimated to be in the range of 136-165 miles per hour.
An EF4 tornado can have wind speeds between 166 and 200 mph (miles per hour.)
The estimated wind range for an F4 tornado is 207-260 mph. On the Enhanced Fujita scale this was change to 166-200 mph for an EF4 tornado.
There is no such thing as an E4 tornado. You most likely mean an EF4 tornado. The estimated winds for an EF4 tornado are 166-200 mph. That is equivalent to a category 5 hurricane (winds 156 mph or greater).
A tornado with estimated winds of 175 mph is an EF4.
The Granbury, Texas tornado of 2013 was a violent tornado, earning a rating of EF4, the second highest on the Enhanced Fujita Scale. It was only the second EF4 tornado of 2013 and, at the time, was the deadliest tornado to hit the U.S. in that year, though it would later be exceeded by the Moore tornado.
There were 758 tornadoes recorded in the United States in April 2011. This list will only include the most notable and the ones with the most media coverage. The Maplewood, Iowa tornado of April 9: EF3 The Tusha, Oklahoma tornado of of April 14: EF3 The Jackson/Clinton, Mississippi tornado of April 15: EF3 The Leakesville, Mississippi tonado of April 15: EF3 The Raleigh, North Carolina tornado of April 16: EF3 The Askewville, North Carolina tornado of April 16: EF3 The St Louis, Missouri tornado of April 22: EF4 The Vilonia, Arkansas tornado of April 25: EF2 The Tuscaloosa/Birmingham, Alabama tornado of April 27: EF4 The Hackleburg/Phil Campbell, Alabama tornado of April 27: EF5 The Smithville, Mississippi tornado of April 27: EF5 The Ringgold, Georgia/Cleveland Tennessee tornado of April 27: EF4 The Shoal Creek, Alabama tornado of April 27: EF4 The Rainsville, Alabama tornado of April 27: EF5 The Cordova, Alabama tornado of April 27: EF4 The Cullman, Alabama tornado of April 27: EF4 The Section, Alabama/Trenton Georgia tornado of April 27: EF4
There is no given appearance for a tornado of any given rating, though EF4 and EF5 tornadoes tend to be very large, typically taking on the appearance of large wedges or columns, but not always. If there is enough visibility an EF4 or EF5 tornado will often show very violent rotation.
The Town of Henryville, Indiana was hit by an EF4 tornado on March 2, 2012.
The Tuscaloosa, Alabama tornado of April 27, 2011 was rated EF4.
A strong tornado is one that is EF2 or stronger. A violent tornado is one that is EF4 or EF5.
The 2013 Washington, Illinois tornado was rated as a high-end EF4.
There were many tornadoes in Alabama in April 2011. The one you are referring to was probably the Tuscaloosa tornado of April 27. The tornado was at a mile and a half wide and appears to have been a borderline EF4/EF5, though the official rating is EF4.
If by a super tornado you mean an EF4 or EF5 buildings will be completely destroyed, some completely blown away.