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RISCumulus Ensemble Effects on the Large-Scale Vorticity and Momentum Fields of GATE. Part I: Observational Evidence
Publisher: American Meteorological Society
Abstract: The relationship between the residual of the large-scale vorticity budget, Z, and organized cumulus convectionis studied using the data taken during Phase III of GARP Atlantic Tropical Experiment (GATE). The appearanceof ...
Origin of Low-Frequency (Intraseasonal) Oscilliations in the Tropical Atmosphere. Part II: Structure and Propagation of Mobile Wave-CISK Modes and Their Modification by Lower Boundary Forcings
Publisher: American Meteorological Society
Abstract: An improved treatment of diabatic heating due to moist convection is introduced into the dynamical model used in Part I of this paper to further investigate the origin of intraseasonal oscillations in the tropics. The ...
A Diagnostic Study of the Evolution of the MJO from Indian Ocean to Maritime Continent: Wave Dynamics versus Advective Moistening Processes
Publisher: American Meteorological Society
Abstract: AbstractThe evolution processes for propagating Madden?Julian oscillations with strong magnitude over the Indian Ocean (IO) and Maritime Continent (MC) are investigated through a diagnosis of ECMWF reanalysis data for ...
Roles of Dynamic and Thermodynamic Processes in Regulating the Decay Paces of El Niño Events
Publisher: American Meteorological Society
Cumulus Ensemble Effects on the Large-Scale Vorticity and Momentum Fields of GATE. Part II: Parameterization
Publisher: American Meteorological Society
Abstract: A parameterization of cumulus ensemble effects on the large-scale vorticity is tested to interpret the vorticity budget residual, Z, observed during Phase III of GARP Atlantic Tropical Experiment (GATE). The parameterization ...
Water Budget and Precipitation Efficiency of Typhoon Morakot (2009)
Publisher: American Meteorological Society
Abstract: n this study, the Weather Research and Forecasting model, version 3.2, with the finest grid size of 1 km is used to explicitly simulate Typhoon Morakot (2009), which dumped rainfall of more than 2600 mm in 3 days on Taiwan. ...
On the Definition of Precipitation Efficiency
Publisher: American Meteorological Society
Abstract: A modified definition of precipitation efficiency (PE) is proposed based on either cloud microphysics precipitation efficiency (CMPE) or water cycling processes including water vapor and hydrometeor species [large-scale ...
Moistening Processes for Madden–Julian Oscillations during DYNAMO/CINDY
Publisher: American Meteorological Society
Abstract: ower-tropospheric (1000?700 hPa) moistening processes of the two Madden?Julian oscillations (MJOs) over the Indian Ocean during Dynamics of the MJO (DYNAMO)/Cooperative Indian Ocean Experiment on Intraseasonal Variability ...
Estimation of Oceanic Precipitation Efficiency in Cloud Models
Publisher: American Meteorological Society
Abstract: Precipitation efficiency is estimated based on vertically integrated budgets of water vapor and clouds using hourly data from both two-dimensional (2D) and three-dimensional (3D) cloud-resolving simulations. The 2D ...
Systematic Variation of Summertime Tropical Cyclone Activity in the Western North Pacific in Relation to the Madden–Julian Oscillation
Publisher: American Meteorological Society
Abstract: The variability of observed tropical cyclone (TC) activity (i.e., genesis, track, and landfall) in the western North Pacific (WNP) is examined in relation to the various categories of the Madden?Julian oscillation (MJO) ...