occluded front

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occluded front

Meteorol the line or plane occurring where the cold front of a depression has overtaken the warm front, raising the warm sector from ground level

occluded front

[ə′klüd·əd ′frənt]

(meteorology)

A composite of two fronts, formed as a cold front overtakes a warm front or quasi-stationary front. Also known as frontal occlusion; occlusion.

occluded front

Fronts formed by the merging of cold and warm fronts. If a cold front overtakes a warm front, the result would be an occluded front. Also known as a frontal occlusion or an occlusion. See also front.

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References in periodicals archive ?

Occluded fronts and airmass boundaries complicate the issue.

WHEN DURING THEIR LIFE CYCLE ARE EXTRATROPICAL CYCLONES ATTENDED BY FRONTS?

The occluded front associated with Storm 2 passed over Iqaluit between 0000 and 0300 UTC on 15 November, and the low-pressure center then dissipated over Davis Strait.

Prior to the passage of the occluded front, the surface temperature reached 0.

On the storms passing over southern Baffin Island during autumn 2005

Another region of heavy precipitation occurs along the occluded front close to the center of the cyclone and outside the region of high TCWV air.

It is now located closer to the United Kingdom and is more wrapped up, with a longer occluded front and a narrower warm sector.