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What is one real example of a thunderstorm?

One real example of a thunderstorm is the severe thunderstorm that occurred in Moore, Oklahoma on May 20, 2013. This storm produced large hail, strong winds, and several tornadoes, including an EF5 tornado that caused significant damage and loss of life in the area.


Why do hailstorms cause tornadoes?

Hail and tornadoes are not directly related to one another. Storms that produce hail do not necessarily produce tornadoes and vice versa. Very often hailstorms are of a class of thunderstorms called supercells. Supercells are the most powerful thunderstorms on earth with updrafts that can exceed 100 mph. These updrafts can keep pieces of ice airborne, circulating them between areas of the storm that are above and below freezing, adding a new layer of ice with each cycle to form a hailstone. However, what characterizes a supercell is that this strong updraft rotates, forming what is called a mesocyclone. If the rotation in the mesocyclone is strong enough it can develop into the tighter, more intense circulation of a tornado. The majority of tornadoes, including all but a handful of the strong ones, form from the mesocyclone of a supercell.


What directions do tornadoes spin below the equator?

South of the equator most tornadoes spin clockwise.


Can tornadoes occur in the water?

No. A tornado that moves onto water will keep going without being significantly affected. In such a case it is called a waterspout. Waterspouts can also develop on water and then move onto land as tornadoes. There are numerous examples of tornadoes crossing water. Most notably, the three deadliest tornadoes in U.S. history all crossed the Mississippi River. See the links below for tornadoes moving across water.


What weather event usually includes heavy precipitation strong winds and surface air temperature below 0 degrees c is it blizzard tornado hurricane or thunderstorm?

Blizzard since it it is so cold and strong winds


Is 2014 going to be below the annual average number of tornadoes like 2013?

The 2014 is likely to be below the annual average number of tornadoes like 2013.


What kind of pressure will tornadoes and hurricanes develop in?

Tornadoes can have low pressure at their center, typically around 800 mb. Hurricanes usually have even lower pressure at their center, below 900 mb. These low pressures are a result of the strong updrafts and rotation within these intense storm systems.


What states experiance tornadoes the most?

In the United States they have a section called Tornado Alley. There is also alot of helpful information on which areas in the US are at risk for Tornadoes and what to do in case of such an emergency at NOAA. See the related links below for this information.


How many tornadoes were there in 2012?

The number of tornadoes that occurred worldwide in 2012 is not known. The United States experienced 940 recorded tornadoes, making it a below-average year.


Can a tornado come out of an everyday cloud?

No, tornadoes do not come directly out of clouds. Tornadoes form within thunderstorms when there are specific atmospheric conditions present, such as strong wind shear and instability. Everyday clouds do not have the potential to produce tornadoes.


Can tornadoes pick up semis?

No. Most tornadoes could not pick up a typical car. However, a fair portion still can.


What do scientist understand about tornadoes so far?

Scientists understand that tornadoes are a type of small but violent windstorm with both intense rotating winds and very strong updrafts. Tornadoes form from strong thunderstorms, but scientists only partially understand the exact mechanisms of their formation. (see below links for more information). Scientists know that tornadoes vary in strength, size, forward speed and duration. Although stronger tornadoes tend to be larger and longer lasting, this is not always the case. These tornadoes can cause anything from minor damage to total destruction. Tornadoes usually follow a straight path, but can make turns while others have followed meandering paths. Tornadoes often occur in outbreaks, where multiple tornadoes form from one storm system within a day or two. The strongest of tornadoes often occur in such outbreaks. Some tornadoes break down to produce multiple suction vortices, which produce narrow, curved swaths of damage that is more severe than that from the rest of the tornado. The are call multiple vortex or multivortex tornadoes. Many of the strongest tornadoes are multivortex.