DMPQ-Discuss the different types of fronts formed during the process of frontogenesis.

Process of formation of the fronts is known as frontogenesis. There are four types of fronts:

Cold Front

When the cold air moves towards the warm air mass, its contact zone is  called the cold front. As the cold front nears your region, the barometer falls.  The cold  air behind the front wedges under the warm air and lifts it sharply off the ground.  Large  cumulonimbus clouds appear. These clouds often bring thunderstorms and rain showers.  As the cold front passes, the wind changes direction. The weather becomes clear and  colder and the barometer rises again.

Warm Front

Whereas if the warm air mass moves towards the cold air mass, the  contact zone is a warm front. The warm air behind the front glides up and over the cold air. The barometer falls and a long, steady rain begins. Gradually, the front passes and  the sky clears.

Occluded Front

When an air mass is fully lifted above the land surface, it is called the  occluded front. it results when a cold air front overtakes a warm  front  and lifts the warm air mass completely off the ground. An occluded front forms when a  cold front overtakes a slower-moving warm front.  The occluded front is more  complicated than the others because two fronts interact. In the left diagram of the  occluded front, colder air wedges under warm air at the cold front.  Warm air is glides up  and over another cold air mass at the warm front. As shown in the right diagram of  Occluded front, the warm air is squeezed out and lifted above the ground.  Steady rains  falls at an occluded front.

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