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单词 occluded front
释义
occluded front
noun[C]
geographyspecialized
uk
/əˈkluː.dɪd ˈfrʌnt/us
/əˈkluː.dɪd ˈfrʌnt/
asituationin theweatherwhen amassofcoldairreacheswarmairandpushesthewarmairup off of the earth'ssurface
锢囚锋（两个锋面相遇而形成的锋面，尤指冷空气将其前面的暖空气抬高而形成的锋面）
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Cold
(Definition ofoccluded frontfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

occluded front| American Dictionary

occluded front
noun[C]
us
/əˈklu·dɪd ˈfrʌnt/
earth science
asituationin theweatherwhen amassofcoldairreacheswarmairandpushesthewarmairup off the earth'ssurface
(Definition ofoccluded frontfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofoccluded front

occluded front
Anoccludedfrontis thus a combination of those two signs.
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Initially attached to anoccludedfront, the low detached from the system and gradually acquired tropical characteristics.
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They also can occur under altostratus cloud preceding a warm oroccludedfront, when cumulus usually lose vertical development as the sun's heat decreases.
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In areas where cold fronts catch up to the warm front, theoccludedfrontdevelops.
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When this happens a new low center will form on the triple-point (the point where the cold front, warm front, andoccludedfrontmeet).
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The point where the warm front and theoccludedfrontmeet (and consequently the nearest location of warm air to the center of the cyclone) is called the "triple point".
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Theoccludedfrontsymbol should thus be plotted at the position where the cold air is intersecting the surface, as on the image to the right.
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The formeroccludedfrontto its northwest became a warm front which moved back to the west around the strengthening, and now dominant, southern low pressure center.
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Occluded fronts form late in the cyclone life cycle near the center of the cyclone and often wrap around the storm center.
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Occluded fronts are indicated on a weather map by a purple line with alternating half-circles and triangles pointing in direction of travel.
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Occluded fronts usually form around mature low-pressure areas.
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Occluded fronts have an area of warm air aloft.
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Rainbands in advance of warm occluded fronts and warm fronts are associated with weak upward motion, and tend to be wide and stratiform in nature.
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A wide variety of weather can be found along anoccludedfront, with thunderstorms possible, but usually their passage is associated with a drying of the air mass.
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Small isolated occluded fronts often remain for a time after a low pressure system has decayed and these create cloudy conditions with patchy rain or showers.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/occluded-front##
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更新时间：2024/12/28 0:53:15