After
a storm cell rolls through an area that has sustained wind
damage, many often confuse the wind damage associated with
severe thunderstorms as tornadic activity. Happening year
round with any thunderstorm, straight-line winds are more
common in the Southeast than tornadoes.
Responsible for
most thunderstorm damage, straight-line winds can cause ordinary
objects to become air-born missiles. These winds can down
trees, power lines, overturn mobile homes and cause damage
to well-built structures with winds reaching 100 to 150 mph.
Another
deadly form of non-tornadic but damaging straight-line winds
are downbursts. A downburst refers to a very small area of
rapidly descending air beneath a thunderstorm that strikes
the ground, producing isolated areas of significant damage
from high wind. The loud roar also associated with these blasts
could be confused as a tornado.
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