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RISTime Scales and Spatial Patterns of Passive Ocean–Atmosphere Decay Modes
Publisher: American Meteorological Society
Abstract: The decay characteristics of a mixed layer ocean passively coupled to an atmospheric model are important to the response of the climate system to stochastic or external forcing. Two salient features of such decay?the ...
Tropical South America–Atlantic Sector Convective Margins and Their Relationship to Low-Level Inflow
Publisher: American Meteorological Society
Abstract: The edges or margins of tropical convective zones are hypothesized to be sensitive to low-level inflow conditions. The present study evaluates where and to what extent convective margin variability is sensitive to low-level ...
Circulation, Moisture, and Precipitation Relationships along the South Pacific Convergence Zone in Reanalyses and CMIP5 Models
Publisher: American Meteorological Society
Abstract: ne theorized control on the position of the South Pacific convergence zone (SPCZ) is the amount of low-level inflow from the relatively dry southeastern Pacific basin. Building on an analysis of observed SPCZ region ...
Soil Moisture Impacts on Convective Margins
Publisher: American Meteorological Society
Abstract: An idealized prototype for the location of the margins of tropical land region convection zones is extended to incorporate the effects of soil moisture and associated evaporation. The effect of evaporation, integrated over ...
Mechanisms of Remote Tropical Surface Warming during El Niño
Publisher: American Meteorological Society
Abstract: The authors demonstrate through atmospheric general circulation model (the Community Climate Model version 3.10) simulations of the 1997/98 El Niño that the observed ?remote? (i.e., outside the Pacific) tropical land and ...
Reorganization of Tropical Climate during El Niño: A Weak Temperature Gradient Approach
Publisher: American Meteorological Society
Abstract: The applicability of a weak temperature gradient (WTG) formulation for the reorganization of tropical climate during El Niño?Southern Oscillation (ENSO) events is investigated. This idealized dynamical framework solves for ...
Adjustment of the Remote Tropical Climate to El Niño Conditions
Publisher: American Meteorological Society
Abstract: The adjustment of the tropical climate outside the Pacific (the ?remote Tropics?) to the abrupt onset of El Niño conditions is examined in a tropical atmosphere model that assumes simplified vertical structure and ...
Using Atmospheric Energy Transport to Quantitatively Constrain South Pacific Convergence Zone Shifts during ENSO
Publisher: American Meteorological Society
Abstract: AbstractThe South Pacific convergence zone (SPCZ) exhibits well-known spatial displacements in response to anomalous sea surface temperatures (SSTs) associated with the El Niño?Southern Oscillation (ENSO). Although dynamic ...
Corrigendum
Publisher: American Meteorological Society
Characterizing Large-Scale Meteorological Patterns and Associated Temperature and Precipitation Extremes over the Northwestern United States Using Self-Organizing Maps
Publisher: American Meteorological Society
Abstract: AbstractThe self-organizing maps (SOMs) approach is demonstrated as a way to identify a range of archetypal large-scale meteorological patterns (LSMPs) over the northwestern United States and connect these patterns with ...