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RISThe Impact of Convection on ENSO: From a Delayed Oscillator to a Series of Events
Publisher: American Meteorological Society
Abstract: The NCAR Community Climate System Model, version 3 (CCSM3) exhibits persistent errors in its simulation of the El Niño?Southern Oscillation (ENSO) mode of coupled variability. The amplitude of the oscillation is too strong, ...
Deep Convective Transition Characteristics in the Community Climate System Model and Changes under Global Warming
Publisher: American Meteorological Society
Abstract: ropical deep convective transition characteristics, including precipitation pickup, occurrence probability, and distribution tails related to extreme events, are analyzed using uncoupled and coupled versions of the Community ...
Temperature–Moisture Dependence of the Deep Convective Transition as a Constraint on Entrainment in Climate Models
Publisher: American Meteorological Society
Abstract: roperties of the transition to strong deep convection, as previously observed in satellite precipitation statistics, are analyzed using parcel stability computations and a convective plume velocity equation. A set of ...
Performance of the New NCAR CAM3.5 in East Asian Summer Monsoon Simulations: Sensitivity to Modifications of the Convection Scheme
Publisher: American Meteorological Society
Abstract: The performance of an interim version of the NCAR Community Atmospheric Model (CAM3.5) in simulating the East Asian summer monsoon (EASM) is assessed by comparing model results against observations and reanalyses. Both the ...
How Well Are the Distribution and Extreme Values of Daily Precipitation over North America Represented in the Community Climate System Model? A Comparison to Reanalysis, Satellite, and Gridded Station Data
Publisher: American Meteorological Society
Abstract: n intercomparison of the distribution and extreme values of daily precipitation between the National Center for Atmospheric Research Community Climate System Model, version 4 (CCSM4) and several observational/reanalysis ...
The Madden–Julian Oscillation in CCSM4
Publisher: American Meteorological Society
Abstract: his study assesses the ability of the Community Climate System Model, version 4 (CCSM4) to represent the Madden?Julian oscillation (MJO), the dominant mode of intraseasonal variability in the tropical atmosphere. The U.S. ...
The Mean Climate of the Community Atmosphere Model (CAM4) in Forced SST and Fully Coupled Experiments
Publisher: American Meteorological Society
Abstract: he Community Atmosphere Model, version 4 (CAM4), was released as part of the Community Climate System Model, version 4 (CCSM4). The finite volume (FV) dynamical core is now the default because of its superior transport and ...
Exploratory High-Resolution Climate Simulations using the Community Atmosphere Model (CAM)
Publisher: American Meteorological Society
Abstract: xtended, high-resolution (0.23° latitude ? 0.31° longitude) simulations with Community Atmosphere Model versions 4 and 5 (CAM4 and CAM5) are examined and compared with results from climate simulations conducted at a more ...
The Community Climate System Model Version 4
Publisher: American Meteorological Society
Abstract: he fourth version of the Community Climate System Model (CCSM4) was recently completed and released to the climate community. This paper describes developments to all CCSM components, and documents fully coupled preindustrial ...
Modes of Variability in E3SM and CESM Large Ensembles
Publisher: American Meteorological Society