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RISAccurate Expressions for the Dewpoint and Frost Point Derived from the Rankine–Kirchhoff Approximations
Publisher: American Meteorological Society
Clausius–Clapeyron Scaling of CAPE from Analytical Solutions to RCE
Publisher: American Meteorological Society
Abstract: y deriving analytical solutions to radiative?convective equilibrium (RCE), it is shown mathematically that convective available potential energy (CAPE) exhibits Clausius?Clapeyron (CC) scaling over a wide range of surface ...
Reply to “Comments on ‘MSE minus CAPE is the True Conserved Variable for an Adiabatically Lifted Parcel’”
Publisher: American Meteorological Society
Abstract: standard convention in moist thermodynamics, adopted by D. M. Romps and others, is to set the specific energy and entropy of dry air and liquid water to zero at the triple-point temperature and pressure. P. Marquet claims ...
Response of Tropical Precipitation to Global Warming
Publisher: American Meteorological Society
Abstract: Using high-resolution cloud-resolving simulations with different CO2 concentrations, local precipitation fluxes are found to obey Clausius?Clapeyron (CC) scaling. Previous studies of the effect of CO2 concentration on ...
The Dry-Entropy Budget of a Moist Atmosphere
Publisher: American Meteorological Society
Abstract: The entropy budget has been a popular starting point for theories of the work, or dissipation, performed by moist atmospheres. For a dry atmosphere, the entropy budget provides a theory for the dissipation in terms of the ...
Numerical Tests of the Weak Pressure Gradient Approximation
Publisher: American Meteorological Society
Abstract: loud-resolving simulations of convection over a surface temperature hot spot are used to evaluate the weak pressure gradient (WPG) and weak temperature gradient (WTG) approximations. The premise of the relaxed form of ...
Weak Pressure Gradient Approximation and Its Analytical Solutions
Publisher: American Meteorological Society
Abstract: weak pressure gradient (WPG) approximation is introduced for parameterizing supradomain-scale (SDS) dynamics, and this method is compared to the relaxed form of the weak temperature gradient (WTG) approximation in the ...
Rayleigh Damping in the Free Troposphere
Publisher: American Meteorological Society
Abstract: his paper explores whether cumulus drag (i.e., the damping of winds by convective momentum transport) can be described by an effective Rayleigh drag (i.e., the damping of winds on a constant time scale). Analytical expressions ...
On the Equivalence of Two Schemes for Convective Momentum Transport
Publisher: American Meteorological Society
Abstract: he Gregory?Kershaw?Inness (GKI) parameterization of convective momentum transport, which has a tunable parameter C, is shown to be identical to a parameterization with no pressure gradient force and a mass flux smaller by ...
MSE Minus CAPE is the True Conserved Variable for an Adiabatically Lifted Parcel
Publisher: American Meteorological Society
Abstract: or an adiabatic parcel convecting up or down through the atmosphere, it is often assumed that its moist static energy (MSE) is conserved. Here, it is shown that the true conserved variable for this process is MSE minus ...