A fog episode characterized by quasi-periodic oscillations in visibility is described. Gravity waves are also present, and frequencies at which pressure and transparency fluctuate are compared. The existence of intervals during which they are synchronized and the presence of strong winds aloft suggest that shear instabilities in the troposphere can influence the fog behaviour at ground.

Experimental Study of Atmospheric Gravity Waves and Visibility Oscillations in a Fog Episode

RICHIARDONE, Renzo;ALESSIO, Silvia Maria;LONGHETTO, Arnaldo
1995-01-01

Abstract

A fog episode characterized by quasi-periodic oscillations in visibility is described. Gravity waves are also present, and frequencies at which pressure and transparency fluctuate are compared. The existence of intervals during which they are synchronized and the presence of strong winds aloft suggest that shear instabilities in the troposphere can influence the fog behaviour at ground.
1995
18C
647
662
Gravity waves; Visibility; Fog
R. RICHIARDONE; ALESSIO S.; CANAVERO F.; EINAUDI F.; LONGHETTO A.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/9059
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