Describe the formation of the four types of fronts and the weather associated with each

Weather front is the boundary between two masses of air with different densities, temperature and humidity.There are four types of weather fronts: cold front (cold air mass, thunderstorms and rain) , warm front (warm air mass,smaller density than the cold front), occluded front (low pressure ares), it is formed when cold front overtakes a warm front) and stationary front , the boundary between two air masses that are not strong to be either both cold or both warm (clouds, precipitation).

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