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The Impact of Indian Ocean Mean-State Biases in Climate Models on the Representation of the East African Short Rains
Publisher: American Meteorological Society
Abstract: AbstractThe role of the Indian Ocean dipole (IOD) in controlling interannual variability in the East African short rains, from October to December, is examined in state-of-the-art models and in detail in one particular ...
The Effect of Soil Moisture Perturbations on Indian Monsoon Depressions in a Numerical Weather Prediction Model
Publisher: American Meteorological Society
Abstract: AbstractIndian monsoon depressions (MDs) are synoptic-scale cyclonic systems that propagate across peninsular India three or four times per monsoon season. They are responsible for the majority of rainfall in agrarian north ...
A Regime View of the North Atlantic Oscillation and Its Response to Anthropogenic Forcing
Publisher: American Meteorological Society
Abstract: The distribution of the daily wintertime North Atlantic Oscillation (NAO) index in the 40-yr ECMWF Re-Analysis (ERA-40) is significantly negatively skewed. Dynamical and statistical analyses both suggest that this skewness ...
A Mechanism for the Recently Increased Interdecadal Variability of the Silk Road Pattern
Publisher: American Meteorological Society
Abstract: The Silk Road pattern (SRP) teleconnection manifests in summer over Eurasia, where it is associated with substantial temperature and precipitation anomalies. The SRP varies on interannual and decadal scales; reanalyses ...
Local and Remote Impacts of Aerosol Species on Indian Summer Monsoon Rainfall in a GCM
Publisher: American Meteorological Society
Abstract: he HadGEM2 AGCM is used to determine the most important anthropogenic aerosols in the Indian monsoon using experiments in which observed trends in individual aerosol species are imposed. Sulfur dioxide (SD) emissions are ...
Intraseasonal Soil Moisture–Atmosphere Feedbacks on the Tibetan Plateau Circulation
Publisher: American Meteorological Society
Comparison of the Prediction of Indian Monsoon Low Pressure Systems by Subseasonal-to-Seasonal Prediction Models
Publisher: American Meteorological Society
Extreme Daily Rainfall in Pakistan and North India: Scale Interactions, Mechanisms, and Precursors
Publisher: American Meteorological Society
Abstract: AbstractWhile much of India is used to heavy precipitation and frequent low pressure systems during the summer monsoon, toward the northwest and into Pakistan, such events are uncommon. Here, as much as a third of the ...
Representation of Western Disturbances in CMIP5 Models
Publisher: American Meteorological Society
Abstract: AbstractWestern disturbances (WDs) are synoptic extratropical disturbances embedded in the subtropical westerly jet stream. They are an integral part of the South Asian winter climate, both for the agriculture-supporting ...
Climatology of Tibetan Plateau Vortices in Reanalysis Data and a High-Resolution Global Climate Model
Publisher: American Meteorological Society
Abstract: AbstractThe Tibetan Plateau (TP) and surrounding high mountains constitute an important forcing of the atmospheric circulation due to their height and extent, and thereby impact weather and climate in downstream regions ...