Cloud street

From Freepedia

Cloud streets are rows of cumulus or cumulus-type clouds aligned parallel to the low-level flow.

The most favorable conditions for their formation occur when the lowermost layer of air is unstable, but is capped by an inversion-by a stable layer of air. This often occurs when upper air is subsiding, such as under anticyclonic conditions, and is also frequently found when radiation fog has formed overnight. Convection occurs below the inversion, with air rising in thermals below the clouds and sinking more gently in the clean air between the streets.

Cloud streets sometimes can be seen from the ground, but are seen best on satellite photographs.

References
Dunlop, Storm (2002). The Weather Identification Handbook. Guilford, Connecticut: The Lyons Press. ISBN 1-58574-857-9.

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