MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 58
hus onlyone Front remains, which is called an OCCLUDEDFRONT or LINE OF OCCLUSION. An Occluded De-pression soon comjnences to fill up and die away. The cold air, in the distance it has travelled, mayhave imdergone considerable change. Therefore itmay not be as cold as the air it is overtaking. In… … fig. 21. Vertical Section through a Warm Occlusion. If the cold air is colder than the air it is overtaking(COLD air advancing on COOL air) the Front is knownas an OCCLUDED COLD FRONT. A Cold Occlusionhas much the same characteristics as a Warm Front,except that heavy Cumulus or Cumulonimbus…
Airplanes
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