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RISThe Maritime Continent and Its Role in the Global Climate: A GCM Study
Publisher: American Meteorological Society
Abstract: The Maritime Continent, with its complex system of islands and shallow seas, presents a major challenge to models, which tend to systematically underestimate the precipitation in this region. Experiments with a climate ...
The Simulation of Peak and Delayed ENSO Teleconnections
Publisher: American Meteorological Society
Abstract: There is much evidence that El Niño and La Niña lead to significant atmospheric seasonal predictability across much of the globe. However, despite successful predictions of tropical Pacific SSTs, atmospheric seasonal ...
The Diurnal Cycle in the Tropics
Publisher: American Meteorological Society
Abstract: A global archive of high-resolution (3-hourly, 0.5° latitude?longitude grid) window (11?12 ?m) brightness temperature (Tb) data from multiple satellites is being developed by the European Union Cloud Archive User Service ...
Convectively Coupled Equatorial Waves in High-Resolution Hadley Centre Climate Models
Publisher: American Meteorological Society
Abstract: A methodology for diagnosing convectively coupled equatorial waves is applied to output from two high-resolution versions of atmospheric models, the Hadley Centre Atmospheric Model, version 3 (HadAM3), and the new Hadley ...
Convectively Coupled Equatorial Waves. Part III: Synthesis Structures and Their Forcing and Evolution
Publisher: American Meteorological Society
Abstract: Building on Parts I and II of this study, the structures of eastward- and westward-moving convectively coupled equatorial waves are examined through synthesis of projections onto standard equatorial wave horizontal structures. ...
Convectively Coupled Equatorial Waves. Part I: Horizontal and Vertical Structures
Publisher: American Meteorological Society
Abstract: Multilevel 15-yr ECMWF Re-Analysis (ERA-15) and satellite-observed brightness temperature (Tb) data for the period May?October 1992 are used to examine the horizontal and vertical structures of convectively coupled equatorial ...
Convectively Coupled Equatorial Waves. Part II: Propagation Characteristics
Publisher: American Meteorological Society
Abstract: Following the description of the horizontal and vertical structures of convectively coupled equatorial waves presented in Part I, here their propagation characteristics are investigated. Linear lagged regressions are used ...
Simulation of the Madden–Julian Oscillation in a Coupled General Circulation Model. Part I: Comparison with Observations and an Atmosphere-Only GCM
Publisher: American Meteorological Society
Abstract: The simulation of the Madden?Julian oscillation (MJO) has become something of a benchmark test for the performance of GCMs in the Tropics over recent years. Many atmospheric GCMs have been shown to reproduce some aspects ...
An Observational Study of the Relationship between Excessively Strong Short Rains in Coastal East Africa and Indian Ocean SST
Publisher: American Meteorological Society
Abstract: Composites of SST, wind, rainfall, and humidity have been constructed for years of high rainfall during September, October, and November (SON) in equatorial and southern-central East Africa. These show that extreme East ...
El Niño in a Coupled Climate Model: Sensitivity to Changes in Mean State Induced by Heat Flux and Wind Stress Corrections
Publisher: American Meteorological Society
Abstract: Here the factors affecting the mean state and El Niño variability in the Third Hadley Centre Coupled Ocean?Atmosphere General Circulation Model (HadCM3) are examined with and without heat flux or wind stress corrections. ...