SATELLITE PICTURES OF MESOSCALE EDDIES

L. F. HUBERT U.S. Weather Bureau, Washington, D.C.

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A. F. KRUEGER U.S. Weather Bureau, Washington, D.C.

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Abstract

Satellite photographs of horizontal eddy patterns are presented and the conditions associated with their formation are discussed. It is shown that some map be purely mechnnical eddies produced by an obstacle (islands) in the flow, others may be the result of inertial oscillation, and others may be produced by inertial instability. Gravity waves on a low inversion are suggested to be the key mechanism producing instability.

Abstract

Satellite photographs of horizontal eddy patterns are presented and the conditions associated with their formation are discussed. It is shown that some map be purely mechnnical eddies produced by an obstacle (islands) in the flow, others may be the result of inertial oscillation, and others may be produced by inertial instability. Gravity waves on a low inversion are suggested to be the key mechanism producing instability.

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