Weather Fronts

By: Shea Gersper

What is a weather front?

A weather front is what happens when two different air masses collide, but they do not mix with each other. There are different kinds of collisions and they all make different kinds of storms.
Weather fronts

Cold Front

A cold front is where the cold air sinks ( because it is denser than the warm air ) and pushes up the warmer air. This front causes severe thunderstorms and cold weather. The cold front creates clouds that move upward in this specific order; Cumulonimbus, Nimbostratus, Altostratus, and then finally, Cirrus. As the cloud moves upward the rain starts to cease until there is no more.
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Warm Front

A warm front is when the warm air pushes the cold air up. This front brings warm and moist air. A warm front has clouds that progress as they work their way up through the troposphere starting with Nimbostratus then Altostratus and then after that Cirrostratus and lastly Cirrus.
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Stationary Front

A stationary front is when a warm and cold front collide and neither one has the power to push the other up. This front causes rainy weather.
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Occluded Front

An occluded front is when two cold fronts push a warm front up. This front causes rainstorms and clouds.
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