Mesoscale Meteorology METR 4433
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This 2 page Class Notes was uploaded by Jordan Rempel on Sunday October 25, 2015. The Class Notes belongs to METR 4433 at University of Oklahoma taught by Staff in Fall. Since its upload, it has received 36 views. For similar materials see /class/229235/metr-4433-university-of-oklahoma in Meteorology at University of Oklahoma.
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Date Created: 10/25/15
Mesoscale Meteorology METR 4433 Spring 2002 Study Guide for Hour Exam 1 Know the concept of scales for atmospheric motion Be able to perform scale analysis and determine the basic characteristics of the motion at the given scale Know the type of weather systems and atmospheric phenomena that mesoscale meteorology deals with Know the definition and role of atmospheric PBL and the main characteristics of and differences between PBL and the free atmosphere Know the typical vertical structure of both day and night time PBL the properties of the surface layer mixed layer inversion layer and residual layer and the reason for their formation Be able to draw the typical profiles of potential temperature wind mixing ratio of day and night time boundary layer Know the typical diurnal evolution of PBL Know the definition of Reynolds averaging and be able to apply Reynolds averaging to obtain averaged equations Understand mathematical definition of covariance and the physical meaning of uxes defined as the covariance of perturbation velocity and the perturbation of a transported quantity Be able to calculate the mean Reynolds averaged uxes given a set of data and to interpret their physical meanings Understand the effect of turbulent ux divergence and its role in the Reynolds averaged governing equations Applications of Reynolds averaged equations to steadystate horizontally homogeneous turbulence Know the assumptions involved in obtaining the mixedlayer solution given in Section 232 of lecture notes and be able to physically interpret this solution e g the effect of friction on the wind speed and direction and its relationship to geostrophic winds and apply it to example cases Know the concept of turbulence closure and the use of firstorder closure in the Reynolds averaged equations Know the assumptions made in obtaining the Ekmanlayer solution and the behavior of the wind profile in the layer Be able to physically explain the effect of friction on boundary layer winds and the subsequent effect on tropospheric cyclonic and anticyclonic circulations The concept of secondary circulation Ekman pumping and spindown Be able to perform quantitative calculations given basic equations Be able to explain the formation of lowlevel jet in the nocturnal boundary layer that is associated with sloping terrain and the role of vertical momentum transportmixing in the process Know the typical diurnal evolution of temperature profile in the boundary layer and role of surface heat uxes Know the role of boundary top entrainment in mixed layer growth Know the thermodynamic method for determining the growth of mixed layer Given the surface heat ux as a function of time and an early morning sounding be able to estimate the time it takes for the mixed layer to grow to certain height or the mixed layer depth at a give time and apply this method to the thunderstorm initiation problem in the absence of other forcing lifting Know the definition of dryline Know the primary physical processes responsible for the formation and movement of drylines Know the typical structures in both horizontal and vertical of drylines in terms of temperature humidity and wind Know the role of drylines in convective initiation The basic types of convective storms and the key characteristics The life cycle of single cell storms and the physical processes responsible for such a cycle The forces responsible for the initiation growth and decay of single cell storms Thermal and vapor buoyancy water loading and pressure gradient force The pressure gradient force as a response to the convection Parcel theory of cell growth The definition of CAPE and its role in determining the maximum updraft speed
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