waterspouts tornado are the ones forming over water
and exhibiting similar patterns to the tornadoes
forming on land.
This type is not very common even if the tornadoes
forming on land and later entering water are included.
The word gustnado is a combination of 'gust front
A gustnado is a short-lived whirl of dust and debris
lasting from a few seconds to minutes. These
tornadoes does not possess a condensation funnel
do not always connect the surface to the base of the
closest cloud base
7. MULTI-VORTEX TORNADO
A tornado is termed as multiple-vortex when it has more than
one vortex rotating around the main vortex. Here, the other
vortices rotate around the axes; the vortices themselves
rotate in the peripheral region of the eye of the tornado.
8. LAND SPOUT
A landspout is similar to waterspout, only
differencebeingthat it is formed on land.
These types of tornadoes are typically weaker
than traditional tornadoes, but can still cause
destruction because they can create strong
9. TORNADO FACTS
1. Tornadoes may appear nearly transparent until dust and debris are
picked up or a cloud forms within the funnel.
2. The average tornado moves from southwest to northeast, but
tornadoes have been known to move in any direction.
3. The average forward speed is 30 mph but may vary from nearly
stationary to 70 mph.
4. The strongest tornadoes have rotating winds of more than 250 mph.
5. Tornadoes can accompany tropical storms and hurricanes as they
move onto land.
12. On August 11, 1999, an
F2 tornado touched down
in the metropolitan
area of Salt Lake City.
The tornado lasted ten
minutes and killed one
person, injured more
than 80 people, and
caused more than $170
million in damages. It
was the most
destructive tornado in
Salt Lake City Tornado, Aug.
Orange fireball is a power sub-