science of storms assignment 3

science of storms assignment 3 - Assignment 3 J awad Islam...

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Assignment 3 Jawad Islam Science of storms ID 260353581 1. A front is a boundary between two air masses. It is named in terms of the air mass that is advancing. At a cold front the cold air is advancing and is displacing warm air ahead of the front. At a front, the warm air mass always lies above the cold air mass. Warm is less dense and lighter, w eather at the front depends on the type of front (warm, cold, stationary or occluded, etc.), the properties of the air masses, and the speed of the front. The movement of cold air relative to a cold front is that; In the cold front, the cold air is the advancing air that replaces the warm air. It is the air that advances behind the cold front. The movement of cold air relative to a warm is that; In the warm front, the advancing warm air causes the cold air to recede. Cold air is ahead of the warm front. 2. Extratropical cyclones forming east of the Rockies, also called lee cyclones as they form in the lee of a mountain range, they form along the boundaries between cool and warm air masses. Typical air masses found in North America prior to the development of an extratropical cyclone are, i) Cold Dry air in the north ii) Cold moist air in the north east iii)
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