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occluded
The precipitation generally occurs before the front moves in.
weather
Air masses that are cold and forms over polar regions is polar. A cold front occurs when a cold air mass meets and displaces a warm air mass. A front that forms when a warm air mass is trapped between cold air masses and forced to rise is called a occluded front.
When a depression (or a low pressure system) forms, it usually consists of a warm front and a faster moving cold front. To the north of the warm front is the cool air that was in the area before the depression developed. As the depression intensifies, the cold front catches the warm front. The line where the two fronts meet is called an occluded front. When an occluded front passed overhead, you feel changes in temperature and wind speed. A cold occlusion occurs when the air behind the occluded front is colder than the air ahead of it. The cold occlusion acts in a similar way to a cold front in that the the cold air behind the front undercuts the cool air ahead of it. The other type of occluded front is the warm occlusion. A warm occlusion occurs when the air behind the occluded front is warmer than the air ahead of it. The warm occlusion acts in a similar way to a warm front in that the cool air behind the front is lighter than the cold air ahead of the front. This causes the cool air to pass over the top of the cold air.
A stationary front
A cold front occurs when a cold air and a cold air mass hits each other and the warm air rises
A warm front occurs when cooler air retreats and warmer air advances. A cold front occurs when cooler air advances, pushing warmer air away. An occluded front occurs when a cold front catches up with a warm front, sending the warmer air aloft. A stationary front occurs when warm and cold air meet, but neither air mass advances.
occluded
A stationary front
cold front
Cold fronts occur when masses of cold air with varying temperatures collide. When this occurs, it results in the warm air rising and being replaced with the cold air.
The precipitation generally occurs before the front moves in.
A stationary front.
A cold front normally moves at twice the speed of a warm front. An occluded front forms when a cold front catches up with a warm front. Occluded fronts are of two types:1. Cold occlusion : If the airmass of the advancing cold front is colder than the cool airmass of the warm front, the advancing cold front undercuts and lifts both the warm and cool airmass of the warm front. The weather is initially warm front type but during the passage of front, showery weather of cold front occurs. This occlusion is common in summer. 2. Warm occlusion : When the airmass behind the advancing cold front is less colder (cool) than the cold airmass of the warm front ahead, the advancing cold front overrides the warm front ahead. The weather in such a case is similar to that of warm front. This type of occlusion occurs in winters and is less common.
An occluded front would bring colder weather. This type of front occurs when a cold front and warm front meet up with one another. The result is the cold air is pushed down.
A cold front normally moves at twice the speed of a warm front. An occluded front forms when a cold front catches up with a warm front. Occluded fronts are of two types:1. Cold occlusion : If the airmass of the advancing cold front is colder than the cool airmass of the warm front, the advancing cold front undercuts and lifts both the warm and cool airmass of the warm front. The weather is initially warm front type but during the passage of front, showery weather of cold front occurs. This occlusion is common in summer. 2. Warm occlusion : When the airmass behind the advancing cold front is less colder (cool) than the cold airmass of the warm front ahead, the advancing cold front overrides the warm front ahead. The weather in such a case is similar to that of warm front. This type of occlusion occurs in winters and is less common.