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The Genesis of Meteorology at the University of Chicago
Publisher: American Meteorological Society
Abstract: The genesis of meteorology at the University of Chicago is reviewed in commemoration of the 60th anniversary of the founding of the Institute of Meteorology. The Institute of Meteorology was founded in October 1940 under ...
Tracer Equivalent Latitude: A Diagnostic Tool for Isentropic Transport Studies
Publisher: American Meteorological Society
Abstract: Area equivalent latitude based on potential vorticity (PV) is a widely used diagnostic for isentropic transport in the stratosphere and upper troposphere. Here, an alternate method for calculating equivalent latitude is ...
Smoke With Induced Rotation and Lofting (SWIRL) in the Stratosphere
Publisher: American Meteorological Society
Abstract: The Australian bushfires of 2019/20 produced an unusually large number of pyrocumulonimbus (pyroCb) that injected huge amounts of smoke into the lower stratosphere. The pyroCbs from 29 December - 4 January were particularly ...
An Observational Study of the Final Breakdown of the Southern Hemisphere Stratospheric Vortex in 2002
Publisher: American Meteorological Society
Abstract: The 2002 Southern Hemisphere final warming occurred early, following an unusually active winter and the first recorded major warming in the Antarctic. The breakdown of the stratospheric polar vortex in October and November ...
Ensemble-Based Gravity Wave Parameter Retrieval for Numerical Weather Prediction
Publisher: American Meteorological Society
First Application of the Local Ensemble Tangent Linear Model (LETLM) to a Realistic Model of the Global Atmosphere
Publisher: American Meteorological Society
Abstract: AbstractThe local ensemble tangent linear model (LETLM) provides an alternative method for creating the tangent linear model (TLM) and adjoint of a nonlinear model that promises to be easier to maintain and more computationally ...
The Ensemble Tangent Linear Model Applied to Nonorographic Gravity Wave Drag
Publisher: American Meteorological Society
Hybrid 4DVAR with a Local Ensemble Tangent Linear Model: Application to the Shallow-Water Model
Publisher: American Meteorological Society
Abstract: n ensemble-based tangent linear model (TLM) is described and tested in data assimilation experiments using a global shallow-water model (SWM). A hybrid variational data assimilation system was developed with a 4D variational ...
Evaluation of SSMIS Upper Atmosphere Sounding Channels for High-Altitude Data Assimilation
Publisher: American Meteorological Society
Abstract: pper atmosphere sounding (UAS) channels of the Special Sensor Microwave Imager/Sounder (SSMIS) were assimilated using a high-altitude version of the Navy Global Environmental Model (NAVGEM) in order to investigate their ...
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