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A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth .... A tornado is "a violently rotating column of air, in contact with the ground, either pendant from a cumuliform cloud or underneath a .... Tornadoes can have a wide range of colors, depending on the environment in which they form.


The widest tornado ever recorded by the National Weather Service was 2.6 miles in diameter. It occurred in El Reno, Okla., in 2013. Tornadoes this wide are ...


Where do tornadoes most often occur in the United States? ... When the funnel cloud is half-way between the cloud base and the ground, it is ... Tornado paths range from 100 yards to 2.6 miles wide and are rarely more than 15 miles long.


Learn basic tornado facts and review Missouri's tornado history. ... Tornadoes can be more than one mile wide and stay on the ground for over 50 miles.


Mobile Doppler radars can measure wind speeds in a tornado above ground level, .... There is a statistical trend toward wide tornadoes having higher EF- scale ...


Jun 18, 2009 ... Tornadoes can occur almost anywhere in the world, but the United States ... can tear off roofs, destroy mobile homes and lift cars off the ground.


As the storm moves along the ground, this outer ring of rotating winds ... Although very rare (only about 2% are violent), these extreme tornadoes can last for hours. .... by winds in excess of 260 mph and a damage path up to 0.75 mi wide.


Enhanced Fujita Scale (EF) for Tornado Damage ... houses; trains overturned; most trees in forests uprooted; heavy cars lifted off ground and thrown.


Some people below are taking "tornado" to include the mesocyclonic updraft in the ... Cumulonimbus cloud has a base roughly 2,000 feet above the ground. ... to the really bad ones, the EF4's and EF5's, that can drop funnels over a mile wide.


Jun 29, 1998 ... The most violent tornadoes can produce massive destsruction with wind speeds of 250 mph or ... Damage paths can be more than 1 mile wide and 50 miles wide. ... Once the funnel touches the ground is becomes a tornado.