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RISEffects of Vertical Wind Shear on the Cumulus Transport of Momentum: Observations and Parameterization
Publisher: American Meteorological Society
Abstract: Dynamical effects of organized cumulus convection on its environment with vertical wind shear are studied. Analyses of the wind field and momentum budget residual for mesoscale convective systems observed during SESAME and ...
Mixed Rossby–Gravity Waves Triggered by Lateral Forcing
Publisher: American Meteorological Society
Abstract: The mechanisms associated with the excitation of mixed Rossby-gravity waves (MRGWs) in the upper troposphere are studied using wind and outgoing longwave radiation (OLR) data from 1979 to 1991. The largest anomalies in ...
Upper Tropospheric Waves in the Tropics. Part I: Dynamical Analysis in the Wavenumber-Frequency Domain
Publisher: American Meteorological Society
Abstract: Space and time spectra of large-scale wave disturbances at the 200 mb level in the latitude belt 20°S to 40°N are studied based on wind data for the period June?August 1967. The kinetic energy of the transient waves shows ...
Mechanism of Heating and the Boundary Layer over the Tibetan Plateau
Publisher: American Meteorological Society
Abstract: The structure of the boundary layer and the mechanism of heating over the Tibetan Plateau are examined using the data obtained from the First GARP (Global Atmospheric Research Program) Global Experiment and the Chinese ...
Seasonal and Interannual Variability of Atmospheric Heat Sources and Moisture Sinks as Determined from NCEP–NCAR Reanalysis
Publisher: American Meteorological Society
Abstract: Using the National Centers for Environmental Predictions (NCEP)?National Center for Atmospheric Research (NCAR) reanalysis, distributions of the heat source Q1 and moisture sink Q2 between 50°N and 50°S are determined for ...
The Onset and Interannual Variability of the Asian Summer Monsoon in Relation to Land–Sea Thermal Contrast
Publisher: American Meteorological Society
Abstract: The onset and interannual variability of the Asian summer monsoon in relation to land?sea thermal contrast and its contributing factors are studied using a 14-yr (1979?1992) dataset. The onset of the Asian summer monsoon ...
The Large-Scale Circulation and Heat Sources over the Tibetan Plateau and Surrounding Areas during the Early Summer of 1979. Part I: Precipitation and Kinematic Analyses
Publisher: American Meteorological Society
Abstract: The time evolution of the large-scale precipitation, low-level (850 mb) wind, moisture and vertical motion fields over the Tibetan Plateau and surrounding areas during a 40-day period from late May to early July 1979 is ...
The Large-Scale Circulation and Heat Sources over the Tibetan Plateau and Surrounding Areas during the Early Summer of 1979. Part II: Heat and Moisture Budgets
Publisher: American Meteorological Society
Abstract: The large-scale heat and moisture budgets over the Tibetan Plateau and surrounding area during a 40-day period from late May to early July 1979 are studied using the FGGE Level II-b data. During this period the general ...
Tropical-Midlatitude Interaction on the Time Scale of 30 to 60 Days during the Northern Summer of 1979
Publisher: American Meteorological Society
Abstract: The relationship between the low-frequency oscillation of convective activity in the tropics and the intensity of planetary-scale upper-tropospheric (200 mb) systems in the subtropics during the Northern Hemisphere (NH) ...
Effects of Downdrafts and Mesoscale Convective Organization on the Heat and Moisture Budgets of Tropical Cloud Clusters. Part III: Effects of Mesoscale Convective Organization
Publisher: American Meteorological Society
Abstract: The effects of mesoscale convective organization on the large-scale heat and moisture budgets of tropical cloud clusters are studied using the GATE Phase III data. Two basic questions concerning the mesoscale effects are ...