qTornadoes are violently
rotating columns of air that extend from
a thunderstorm cloud to the ground.
qOn average, over 1,000
tornadoes are reported in the US each year.
qTornadoes primarily
develop within supercell thunderstorms, but also form in thunderstorms along squall lines, near
the ends of thunderstorm bow
echoes, and within landfall hurricane.
qMost tornados are short lived.