| 词汇 | occluded-front |
| 释义 | occluded front noun[ C ] geography specializeduk /əˈkluː.dɪd ˈfrʌnt/ us /əˈkluː.dɪd ˈfrʌnt/ a situation in the weather when a mass of cold air reaches warm air and pushes the warm air up off of the earth's surface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） Weather & climate - general words aneroid barometer anthelion aurora aurora australis aurora borealis climate climatology element forecast general circulation model glaciology glass interglacial isotherm low-pressure meteorologically meteorologist microclimate pollen count rare You can also find related words, phrases, and synonyms in the topics: Cold occluded front | American Dictionaryoccluded front noun[ C ] us/əˈklu·dɪd ˈfrʌnt/ earth science a situation in the weather when a mass of cold air reaches warm air and pushes the warm air up off the earth's surface Examples of occluded frontoccluded front An occludedfront is thus a combination of those two signs. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Initially attached to an occludedfront, the low detached from the system and gradually acquired tropical characteristics. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They also can occur under altostratus cloud preceding a warm or occludedfront, when cumulus usually lose vertical development as the sun's heat decreases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In areas where cold fronts catch up to the warm front, the occludedfront develops. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When this happens a new low center will form on the triple-point (the point where the cold front, warm front, and occludedfront meet). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The point where the warm front and the occludedfront meet (and consequently the nearest location of warm air to the center of the cyclone) is called the "triple point". From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The occludedfront symbol should thus be plotted at the position where the cold air is intersecting the surface, as on the image to the right. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The former occludedfront to its northwest became a warm front which moved back to the west around the strengthening, and now dominant, southern low pressure center. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Occluded fronts form late in the cyclone life cycle near the center of the cyclone and often wrap around the storm center. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Occluded fronts are indicated on a weather map by a purple line with alternating half-circles and triangles pointing in direction of travel. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Occluded fronts usually form around mature low-pressure areas. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Occluded fronts have an area of warm air aloft. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A wide variety of weather can be found along an occludedfront, with thunderstorms possible, but usually their passage is associated with a drying of the air mass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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. |
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