As the storm intensifies, the cold front rotates around the storm and catches the warm front. This forms an occluded front, which is the boundary that separates the new cold air mass (to the west) from the older cool air mass already in place north of the warm front.
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/af/frnts/ofdef.rx... ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/af/frnts/ofdef.rxml
An occluded front develops when a cold front catches a warm front. For a maturing cyclone, a warm front is progressing northward ahead of the storm center while a cold front is sweeping southeastward. The cool air mass north of the warm front is already in place.
ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fcst/sfc/ofrnt.rx... ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fcst/sfc/ofrnt.rxml
Occluded front - Wikipedia, the free encyclopedia
An occluded front is formed during the process of cyclogenesis when a cold front overtakes a warm front. When this occurs, the warm air is separated (occluded) from the cyclone center at the Earth's...
en.wikipedia.org/wiki/Occluded_front
What is an Occluded Front? ... The Formation of an Occluded Front ... The diagrams above show the formation of an occluded front. When a depression (or a low pressure system) forms, it usually consists of a warm front and a faster moving cold front. This can be seen in the top left diagram.
www.ecn.ac.uk/Education/occluded_fronts.htm www.ecn.ac.uk/Education/occluded_fronts.htm
USATODAY.com Latest News ... A cold occlusion, which occurs when the air behind the front is colder than the air ahead of the front. In this situation, the coldest air undercuts the cool air ahead of the front and the occluded front acts very similar to a cold front.
www.usatoday.com/weather/tg/wofront/wofront.htm www.usatoday.com/weather/tg/wofront/wofront.htm
OCCLUDED FRONT Also known as an occlusion, it is a complex front formed when a cold front overtakes a warm front. It develops when three thermally different air masses conflict. The type of frontal boundary they create depends on the manner in which they meet.
www.weather.com/glossary/o.html
Singular; occluded front ... occluded front (plural occluded fronts) ... (meteorology) An occluded front occurs when a cold front overtakes a warm front at the surface and a temperature contrast exists between the advancing and retreating cold air masses.
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Occluded front - Definition of Occluded front at Dictionary.com a free online dictionary with pronunciation, synonyms, and translation of Occluded front. Look it up now! ... Use occluded front in a Sentence...
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Occluded front or occlusion ... An occlusion is a type of weather front which develops within a depression, or low, towards the end of it’s life cycle. ... It happens when the cold front catches up with the preceding warm front.
www.bbc.co.uk/tees/weather/az/atoz_o.shtml
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