A tornado is a violently rotating column of air extending from a thunderstorm to the ground. Tornadoes in the US occur most frequently in spring and summer.
The strongest tornadoes have rotating winds of more than 250 mph. Damage can include roof removal or complete destruction of buildings, uprooted trees, and can be life-threatening as a result.
A tornado is a violently rotating column of air that spins while in contact with both
the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of ...
Tornadoes What is a tornado? A tornado is a violent rotating column of air
extending from a thunderstorm to the ground. The most violent tornadoes are
Tornadoes are violent storms that appear as a powerful rotating mixture of wind
and thunderstorm clouds, extending from the clouds to the ground in a funnel ...
Tornadoes form in unusually violent thunderstorms when there is sufficient (1)
instability and (2) wind shear present in the lower atmosphere. Instability refers to
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Jan 2, 2013 ... Science expert Emerald Robinson explains what a tornado is and how it forms.To
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Basic information about tornadoes, from the NOAA National Severe Storms
Tornadoes, nearly three-quarters of which occur within the U.S., are
unpredictable and can cause massive damage. New tools and data are helping
Learn basic tornado facts and review Missouri's tornado history.
Tornadoes are nature's most violent storms. Spawned from powerful
thunderstorms, tornadoes can cause fatalities and devastate a neighborhood in