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Most often a warm, moist air mass collides with a cool air mass, a cold air mass, or both. However, such a collision alone will only form thunderstorms. Other factors are needed for those storms to produce tornadoes.

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What do cool air masses do when they come in contact with warm air masses?

The cool air sinks, while the warm air rises. If it does so with enough force and torque, a tornado or hurricane will form.


Can a tornado form without a thunderstorm?

No, tornadoes typically form within severe thunderstorms that have strong updrafts and rotating air. The intense vertical motion within a thunderstorm is necessary for creating the conditions that can lead to tornado formation.


What kind of air masses are colliding over tornado alley?

The colliding air masses in Tornado Alley are warm, moist air from the Gulf of Mexico, cool air from Canada, and dry air from the Rockies. This collision is just part of the recipe for tornadoes.


What are two types of air masses that occur and how ar air masses related to fronts?

Two types of air masses are cold and warm air masses. When they meet each other, a front forms.


Air masses that form a tornado?

Tornadoes are a product of severe thunderstorms usually found where a warm, moist air mass collides with either a cooler air mass or a dry air mass.


What types of air masses do jet streams separate?

It separates hot air masses and cold air masses


When two air masses meet we normally refer to this as?

A Tornado A Front.


Where do continental air masses form?

Continental air masses form in the United States


What is one reason so many tornadoes form in tornado alley?

In Tornado Alley Warm moist air from the Gulf of Mexico meets with dry air masses from the Rockies and/or cool air masses from Canada. These collisions can produce violent thunderstorms that can sometimes produce tornadoes. See the related question below for more detail.


What 2 types of air need to collide to form a tornado?

The common statement is that tornadoes develp when warm and cold air collide, but this grossly oversimplifies what is going on. The collision of warm and cold air masses is not the direct cause of tornadoes nor, is it completely necessary. If there is enough instability in the warm air mass, the collision can lead to the formation of thunderstorms. If a few other conditions are right these storms might go on to produce tornadoes. However such storms may also form wheredry air pushes into moist air. They can sometimes even form from convective storm systems without any colliding air masses.


How can a tornado form in space?

Tornadoes cannot form in space. A tornado is a vortex of air. There is no air in space.


What are the 5 types of air masses?

The five types of air masses are polar, tropical, maritime, continental, and arctic. Polar air masses are cold and dry, tropical air masses are warm and dry, maritime air masses are warm and moist, continental air masses are dry and cold, and arctic air masses are extremely cold and dry.