occluded front

American

noun

Meteorology.

a composite front formed when a cold front overtakes a warm front and forces it aloft.

occluded front British

noun

Also called: occlusion. 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

occluded front Scientific

/ ə-klo̅o̅′dĭd /

The front formed when a cold front occludes a warm front.
Compare cold front warm front

Etymology

Origin of occluded front

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

While an anomalously strong area of low pressure in the Ohio Valley will also shift northeastward, onshore flow from the Atlantic ahead of the area's occluded front will continue to dump moisture westward across the Northeast, leading to shower and heavy rain.

From Fox News

A line with triangles and semicircles on one side indicates an occluded front, which is formed when a cold front overtakes a warm or stationary front.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023