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RISA Homogeneous Stochastic Model of the Madden–Julian Oscillation
Publisher: American Meteorological Society
Abstract: This paper presents a new empirical model to simulate the Madden?Julian oscillation (MJO), which is the most prominent mode of tropical intraseasonal variability. Zonal wind components at 850 and 200 hPa from reanalysis ...
Occurrence of Extreme Precipitation Events in California and Relationships with the Madden–Julian Oscillation
Publisher: American Meteorological Society
Abstract: California receives most of the annual precipitation during the boreal winter season. Additionally, large spatial and temporal variations in the total rainfall amounts are observed. This study investigates the occurrence ...
Potential predictability during a Madden-Julian Oscillation event
Publisher: American Meteorological Society
Abstract: he Madden-Julian Oscillation (MJO) is an important source of predictability. The boreal 2004-05 winter is used as a case study to conduct predictability experiments with the Weather Research and Forecasting (WRF) model. ...
The Role of Low-Level Moisture Convergence and Ocean Latent Heat Fluxes in the Madden and Julian Oscillation: An Observational Analysis Using ISCCP Data and ECMWF Analyses
Publisher: American Meteorological Society
Abstract: This paper examines whether or not low-level moisture convergence and surface latent heat flux act as forcing mechanisms of the Madden and Julian oscillation (MJO), as it is proposed by the theories of wave-CISK (conditional ...
Spatial–Intensity Variations in Extreme Precipitation in the Contiguous United States and the Madden–Julian Oscillation
Publisher: American Meteorological Society
Abstract: he spatial?intensity variability of extreme precipitation over the contiguous United States (CONUS) during boreal winter and relationships with the Madden?Julian oscillation (MJO) are investigated. Daily gridded precipitation ...
A New Method for Deriving Ocean Surface Specific Humidity and Air Temperature: An Artificial Neural Network Approach
Publisher: American Meteorological Society
Abstract: A new methodology for deriving monthly averages of surface specific humidity (Qa) and air temperature (Ta) is described. Two main aspects characterize the new approach. First, remotely sensed parameters, total precipitable ...
Climate Change in the South American Monsoon System: Present Climate and CMIP5 Projections
Publisher: American Meteorological Society
Abstract: he South American monsoon system (SAMS) is the most important climatic feature in South America. This study focuses on the large-scale characteristics of the SAMS: seasonal amplitudes, onset and demise dates, and durations. ...
Variability of Air–Sea Interactions over the Indian Ocean Derived from Satellite Observations
Publisher: American Meteorological Society
Abstract: Novel ways of monitoring the large-scale variability of the southwest monsoon in the Indian Ocean are presented using multispectral satellite datasets. The fields of sea surface temperature (SST), surface latent heat flux ...
CMIP5 Simulations of Low-Level Tropospheric Temperature and Moisture over the Tropical Americas
Publisher: American Meteorological Society
Abstract: lobal warming has been linked to systematic changes in North and South America's climates and may severely impact the North American monsoon system (NAMS) and South American monsoon system (SAMS). This study examines ...