baroclinic instability

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• Instability — [ Hydrodynamics simulation of the Rayleigh–Taylor instability [Shengtai Li, Hui Li Parallel AMR Code for Compressible MHD or HD Equations (Los Alamos National Laboratory) [http://math.lanl.gov/Research/Highlights/amrmhd.shtml] ] ] Instability in… …   Wikipedia

• Baroclinity — In fluid dynamics, the baroclinity (sometimes called baroclinicity) is a measure of the stratification in a fluid. A baroclinic atmosphere is one for which the density depends on both the temperature and the pressure; contrast this with… …   Wikipedia

• climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …   Universalium

• Nebular hypothesis — Star formation Interstellar medium Molecular cloud …   Wikipedia

• Jagdish Shukla — Jagdish Shukla(born 1944) is an Indian meteorologist and Distinguished University Professor at George Mason University in the United States.Early yearsDr. Shukla was born in 1944 in a small village (Mirdha) in the Ballia district of Uttar Pradesh …   Wikipedia

• Atmospheric physics — is the application of physics to the study of the atmosphere. Atmospheric physicists attempt to model Earth s atmosphere and the atmospheres of the other planets using fluid flow equations, chemical models, radiation balancing, and energy… …   Wikipedia

• Polar low — over the Barents Sea on February 27, 1987 A polar low is a small scale, long lived atmospheric low pressure system (depression) that is found over the ocean areas poleward of the main polar front in both the Northern and Southern Hemispheres. The …   Wikipedia

• Jule Gregory Charney — (January 1, 1917 ndash; June 16, 1981) was an American meteorologist who played an important role in developing weather prediction. He developed a set of equations (The Quasi Geostrophic Vorticity Equation) for calculating the large scale motions …   Wikipedia

• African easterly jet — The African easterly jet is a region of the lower troposphere over West Africa where the seasonal mean wind speed is maximum and easterly. The jet develops because heating of the West African land mass during the Northern Hemisphere summer… …   Wikipedia

• Beta plane — In geophysical fluid dynamics, an approximation whereby the Coriolis parameter, f , is set to vary linearly in space is called a beta plane approximation. On a rotating sphere such as the earth, f varies with the sine of latitude; a linear… …   Wikipedia

• Potential vorticity — (PV) is a quantity which is proportional to the dot product of vorticity and stratification that, following a parcel of air or water, can only be changed by diabatic or frictional processes. It is a useful concept for understanding the generation …   Wikipedia