Striations

Striations
Grooves or channels in cloud formations, arranged parallel to the flow of air and therefore depicting the airflow relative to the parent cloud.

Barber poleA thunderstorm updraft with a visual appearance including cloud striations that are curved in a manner similar to the stripes of a barber pole.

STRFMStratiformStriationsGrooves or channels in cloud formations, arranged parallel to the flow of air and therefore depicting the airflow relative to the parent cloud.

Ci fibratus characterized by long fine striations; Ci uncinus looking like a hook or comma; Ci spissatus as dense cirrus patches; Ci vertebratus looking like ribs or fishbone and Ci radiatus, ...

HAIL STREAMERS - Streaking or striations in a cloud caused by large hailstones falling through the cloud structure. Occasionally the hail streamers may take on a greenish hue.

formations which appear to be shaped by a smooth flow of air traveling in parallel layers or sheets.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: ACCAS, Barber Pole, Chinook Arch, Rotor Cloud, Striations ...

See also: Radar, Instability, Stability, Air, Thunderstorm