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Integrated and Spectral Energetics Studies of the GLAS General Circulation Model
Publisher: American Meteorological Society
Abstract: Integrated and spectral energetics of the Goddard Laboratory for Atmospheric Sciences (GLAS) general circulation model are compared with observations and examined when subdivided beyond hemispheric integrals. In the monthly ...
Stratospheric Wind Errors, Initial States and Forecast Skill in the GLAS General Circulation Model
Publisher: American Meteorological Society
Abstract: Relations between stratospheric wind errors, initial states and 500 mb skill are investigated using the GLAS general circulation model initialized with FGGE data. Erroneous stratospheric winds are seen in all current general ...
Jet Stream Velocity Errors in General Circulation Models
Publisher: American Meteorological Society
Abstract: Excessive wind speeds are present above the subtropical jets in all current general circulation model forecasts. In this paper we study the longitude and time dependence of these errors in 14 five-day winter forecasts using ...
Jet Stream Winds: Comparisons of Analyses with Independent Aircraft Data over Southwest Asia
Publisher: American Meteorological Society
Abstract: We have obtained cruise-level wind data from commercial aircraft, and compared this data with operational jet stream analyses over southwest Asia, an area of limited conventional data. We present results from an ensemble ...
Jet Stream Winds: Comparisons of Aircraft Observations with Analyses
Publisher: American Meteorological Society
Abstract: Wind measurements have been obtained from commercial aircraft crossing the 1992 winter subtropical jet streams over southwest and east Asia. Comparisons of these data with new, high-resolution analyses from four of the ...
Spectral and Spatial Energetics of the GISS Model Atmosphere
Publisher: American Meteorological Society
Abstract: A calculation of the spectral and spatial energetics of the Goddard Institute for Space Studies (GISS) 9-level model of the global atmosphere is given. Results are presented from a model simulation of January 1973 and ...
The GISS Model of the Global Atmosphere
Publisher: American Meteorological Society
Abstract: A model description and numerical results are presented for a global atmospheric circulation model developed at the Goddard Institute for Space Studies (GISS). The model version described is a 9-level primitive-equation ...