*Striations* - Grooves or channels in cloud formations, arranged parallel to the flow of air and therefore depicting the airflow relative to the parent cloud. Striations often reveal the presence of rotation, as in the barber pole or “corkscrew” effect often observed with the rotating updraft of an LP storm. *Wall Cloud* - A localized, …
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Zach’s Corner: Weather Ed: What is the Cap?
The cap or capping inversion is a layer of relatively warm air aloft (Typically several thousand feet above the ground) which suppresses or delays the development of thunderstorms. Air parcels (Pink arrow) rising into this layer become cooler than the surrounding air, which inhibits their ability to rise further and they fall back to the …
