Cold front

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Four-panel weather map sequence showing the progression of a cold front across North America over four days in January. Each panel marks cold fronts, warm fronts, air masses (continental Arctic, maritime tropical, maritime polar), high- and low-pressure centers, isotherms for 32 degreesF and 0 degreesF, areas of precipitation, and the shifting positions of weather systems as the cold front advances southeastward.

Explore what happens when cold and warm air masses collide

Cold front: Media

meteorology

Videos

Explore what happens when cold and warm air masses collide

Explore what happens when cold and warm air masses collide

Weather is created by the movement and interaction of air masses of different temperatures.

Video: Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.com

Images

Four-panel weather map sequence showing the progression of a cold front across North America over four days in January. Each panel marks cold fronts, warm fronts, air masses (continental Arctic, maritime tropical, maritime polar), high- and low-pressure centers, isotherms for 32 degreesF and 0 degreesF, areas of precipitation, and the shifting positions of weather systems as the cold front advances southeastward.

cold-air outbreak

Series of weather maps showing the evolution of a cold front in North America over...

Encyclopædia Britannica, Inc.

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