cold sector
cold sector The zone of colder air that surrounds the narrowing wedge of warm air, the warm sector, in a developing depression. At the occlusion stage the whole of the surface layer forms a cold sector, with the warm air lifted off the surface.
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warm sector sector , sec·tor / ˈsektər/ • n. 1. an area or portion that is distinct from others. ∎ a distinct part or branch of a nation's economy or society or of a sphe… Occlusion , occlusion
oc·clu·sion / əˈkloōzhən/ • n. 1. Med. the blockage or closing of a blood vessel or hollow organ. ∎ Phonet. the momentary closure of the pa… Cold Front , cold front A boundary between dense, cold air and the warmer air ahead of it, which the cold air tends to undercut as it advances. The gradient of th… Cold Pole , cold pole Arctic front , Arctic front The frontal boundary between cold, Arctic air and warmer air masses, usually lying to the south of it. Many depressions originate on it.…
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cold sector