A tornado is a violently rotating column of air that is in contact with both the
surface of the earth ... The Fujita scale rates tornadoes by damage caused and
has been replaced in some countries by...
Jan 25, 2010 ... Tornadoes are one of the most powerful and deadly weather ... This is what
creates the destruction path scene after a tornado passes. The next ...
Apr 19, 2016 ... Tornadoes are violent storms that kill 80 people each year. ... Tornado wind and
debris cause most of the structural damage suffered, but nearly ...
www.ask.com/youtube?q=What Creates a Tornado&v=lmWh9jV_1ac
Aug 19, 2014 ... Meteorologist James Spann sheds light on the lifespan of tornadoes as .... not all
tornadoes are very big, in fact most are quite small and cause ...
The first thing that is needed to produce a tornado is a thunderstorm. ... The warm
air rises from the lower atmosphere causing an updraft, which mixes with the ...
Here is simple step by step description of how a tornado develops. ... but here is
an explanation that many believe is the closest possible cause of tornadoes.
A tornado is a violently rotating column of air which descends from a ... and the
surrounding winds may cause the updraft to begin rotating-and a tornado is born.
There are various types of tornadoes and they can characterized according to the
level of damage they can cause. Fujita or Enhanced Fujita(EF) scale scale is a ...
Tornado Alley exists because the Great Plains get very hot in the summer.
Updrafts are all too common, which as we now know creates thunderstorms and
May 21, 2013 ... Oklahoma is particularly vulnerable to tornadoes, lying inside the so-called '
Tornado Alley', stretching from South Dakota to Central Texas.