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RISObjective Analysis and Assimilation of Observational Data from FGGE
Publisher: American Meteorological Society
Abstract: An objective analysis scheme developed at the Goddard Laboratory for Atmospheric Sciences (GLAS) to assimilate meteorological data is described. Wind, geopotential height, and relative humidity are analyzed on mandatory ...
The Influence of the Tropics on the Prediction of Ultralong Waves. Part II: Latent Heating
Publisher: American Meteorological Society
Abstract: The influence of tropical latent heating on the short-to-medium-range numerical prediction of ultralong waves is examined. Two integrations of the GLAS general circulation model are made from the came initial state. One ...
The Influence of the Tropics on the Prediction of Ultralong Waves. Part I: Tropical Wind Field
Publisher: American Meteorological Society
Abstract: The influence of tropical wind data on the numerical prediction of ultralong waves is examined. Two data assimilation experiments are performed using the GLAS fourth-order general circulation model. The two experiments are ...
Planetary-Scale Characteristics of the Atmospheric Circulation During January and February 1979
Publisher: American Meteorological Society
Abstract: The vertical and temporal Structure of the global scale flow in the Goddard Laboratory for Atmospheric Sciences analyses of data from the First GARP Global Experiment are presented. The fields are represented in terms of ...
Global-Scale Weekly and Monthly Energetics During January and February 1979
Publisher: American Meteorological Society
Abstract: Time averages of the latitudinal distribution of kinetic energy and terms of the kinetic energy equation are presented as depicted by the Goddard Laboratory for Atmospheric Science (GLAS) analyses of the First GARP Global ...
Global Diabatic Heating during FGGE SOP-1 and SOP-2
Publisher: American Meteorological Society
Abstract: With the increase in the observations data provided by FGGE and the use of global circulation models with full physics for the data assimilation, it is now becoming feasible to attempt to estimate globally the atmospheric ...
Spectral Energetics of the Observed and Simulated Northern Hemisphere General Circulation during Blocking Episodes
Publisher: American Meteorological Society
Abstract: The spectral energetics of the Northern Hemisphere circulation during blocking episodes of the FGGE year is investigated with gridded analyses of observational data and Parallel simulation experiments. The purpose of this ...
Energetics Examination of Winter Blocking Simulations in the Northern Hemisphere
Publisher: American Meteorological Society
Abstract: Four numerical simulations of the global atmosphere for January 1979 are analyzed to study the formation of blocking in terms of Northern Hemisphere energetics. The Goddard Laboratory for Atmospheres (GLA) 4° ? 5° ...
The Analysis Sensitivity to Tropical Winds from the Global Weather Experiment
Publisher: American Meteorological Society
Abstract: The global scale divergent and rotational flow components of the Global Weather Experiment (GWE) are diagnosed from three different analyses of the data. The rotational flow shows closer agreement between the analyses than ...
Energetics Diagnosis of the NCAR General Circulation Model
Publisher: American Meteorological Society
Abstract: A comprehensive energetics analysis has been performed on the NCAR general circulation model. The analysis involves January and July simulation experiments with the 6-layer, 5-degree, second-generation model with two ...