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A summary of several meteorological properties of the moist-air entropy variables $θ_s$ and $PV(θ_s)$
Published 21 Feb 2022 in physics.ao-ph, physics.flu-dyn, and physics.geo-ph | (2202.10092v3)
Abstract: The aim of this note is to describe several meteorological properties shown in a conference talk (Marquet, January 2022) for the moist-air specific entropy, the associated potential temperature ($\theta_s$) defined in Marquet (2011) and the associated potential vorticity $PV(\theta_s)$ defined in Marquet (2014), with in particular regions of negative values of $PV(\theta_s)$ close to the cold fronts that seems to indicate regions of symmetric instability.
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