Abstract: he daytime heat transfer mechanisms over mountainous terrain are investigated by means of large-eddy simulations over idealized valleys. Two- and three-dimensional topographies, corresponding to infinite and finite valleys, ...

Abstract: he purpose of this article is to introduce a new diagnostic measure of the time-integrated diabatic (thermal) forcing of a valley?plain system. This measure can be used to synchronize the evolution of thermally induced ...

Abstract: The physical mechanisms leading to the formation of diurnal along-valley winds are investigated over idealized three-dimensional topography. The topography used in this study consists of a valley with a horizontal floor ...

Abstract: n a recent study, the authors investigated the mechanisms leading to the formation of diurnal along-valley winds in a valley formed by two isolated mountain ridges on a horizontal plain. The main focus was on the relation ...

Abstract: he explicit treatment of moist convection in cloud-resolving models with kilometer-scale horizontal resolution is increasingly used for atmospheric research and numerical weather prediction purposes. However, several ...

Abstract: n convection-permitting simulations, the spectrum of resolved motions is truncated near scales where convection is active. An ?energy gap? between resolved and unresolved motions does not exist, such that the upscale and ...

Abstract: he purpose of this paper is to validate the representation of topographic flows and moist convection over the European Alps in a convection-parameterizing simulation (CPM; ?x = 6.6 km) and two cloud-resolving simulations ...

Abstract: he importance of soil moisture anomalies on airmass convection over semiarid regions has been recognized in several studies. The underlying mechanisms remain partly unclear. An open question is why wetter soils can result ...

Abstract: The dynamics that govern the evolution of nighttime flows in a deep valley, California?s Owens Valley, are analyzed. Measurements from the Terrain-Induced Rotor Experiment (T-REX) reveal a pronounced valley-wind system ...

Abstract: AbstractA new turbulence scheme with two prognostic energies is presented. The scheme is an extension of a turbulence kinetic energy (TKE) scheme following the ideas of Zilitinkevich et al. but valid for the whole stability ...