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RISThe Net Generation of Large-Scale Available Potential Energy by Subgrid-Scale Processes
Publisher: American Meteorological Society
Abstract: A procedure is introduced which allows estimation of the net influence of subgrid-scale thermodynamic processes on large-scale available potential energy. A numerical example representing the average energetics over North ...
AN ANALYSIS OF KINEMATIC VERTICAL MOTIONS
Publisher: American Meteorological Society
Abstract: Several techniques exist for computing vertical motions. In this paper, radiosonde wind observations are used to compute vertical motions by the kinematic method. The presence of cumulative bias errors necessitates adjustment ...
Midlatitude Synoptic Scale Systems: Their Kinetic Energy Budgets and Role in the General Circulation
Publisher: American Meteorological Society
Abstract: The kinetic energy budgets of several examples of synoptic scale systems are reviewed. Included are systems containing a major cyclone development, the immediate cyclone vicinity, and the anticyclone preceding the cyclone ...
The Importance of the Horizontal Distribution of Heating during Extratropical Cyclone Development
Publisher: American Meteorological Society
Abstract: Diagnostic and modeling results reveal that atmospheric heating typically acts to intensify extratropical cyclones. In addition, both the Petterssen?Sutcliffe and Zwack?Okossi development equations reveal that this ...
On the Estimation of Kinematic Parameters in the Atmosphere From Radiosonde Wind Data
Publisher: American Meteorological Society
Abstract: A technique is proposed for computing horizontal velocity divergence and the vertical component of vorticity from radiosonde wind data. Utilizing a quadratic Taylor's series representation of the horizontal wind field, one ...
A Kinetic Energy Budget over North America During a Period of Short Synoptic wave Development
Publisher: American Meteorological Society
Abstract: A kinetic energy budget over North America is computed using standard rawinsonde data during 11?24 April 1970, a period of repeated short synoptic wave development. A comparative analysis with energy transformation documented ...
A Study of the Influence of Satellite Data on GLA Analyses over the Atlantic Ocean during a Period of Blocking Anticyclone Development
Publisher: American Meteorological Society
Abstract: This Paper Presents a statistical diagnosis of the differences between two Goddard Laboratory for Atmospheres analysis representations of temperature and wind speed, one containing satellite data influences (SAT analyses) ...
Latent Heat Release in an Extratropical Cyclone that Developed Explosively over the Southeastern United States
Publisher: American Meteorological Society
Abstract: Using the Goddard Laboratory for Atmospheres FGGE Level III-b analyses, the latent heat release (LHR) associated with an extratropical cyclone that deepened explosively over the southeastern United States is investigated. ...
A Comparison of Extended and Quasigeostrophic Dynamics for a Case of Small–Rossby Number Extratropical Cyclone Development
Publisher: American Meteorological Society
Abstract: This note compares the extended (EXT) and quasigeostrophic (QG) dynamics of a small?Rossby number extratropical cyclone using the Zwack?Okossi (ZO) equation. Applied to a cyclone that occurred on 8?9 November 1985 over the ...