DCHP-1 Online
Chinook clouds 
the cloud was (lenticularis) forming the leading or western edge of the Chinook arch, the constant movement of which is caused by the rising and falling air currents of the Chinook winds pouring over the crest of the Rockies.
See also: Chinook sky Chinook arch
- 1954 Summer clouds they were, Chinook clouds, spinning because Chinook clouds always spin, though no man has ever been able to tell me why.
- 1954 Summer clouds they were, Chinook clouds, spinning because Chinook clouds always spin, though no man has ever been able to tell me why.