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RISSpatiotemporal Structure of Precipitation Related to Tropical Moisture Exports over the Eastern United States and Its Relation to Climate Teleconnections
Publisher: American Meteorological Society
Abstract: ropical moisture exports (TMEs) may play an important role in extreme precipitation. An analysis of the spatiotemporal structure of precipitation associated with TMEs for the eastern United States at seasonal and daily ...
Daily Precipitation and Tropical Moisture Exports across the Eastern United States: An Application of Archetypal Analysis to Identify Spatiotemporal Structure
Publisher: American Meteorological Society
Abstract: his study examines the spatiotemporal variability of two sets of daily precipitation from ERA-Interim across the eastern United States between 1979 and 2013: 1) total precipitation and 2) precipitation originating from ...
Surface Temperature Gradients as Diagnostic Indicators of Midlatitude Circulation Dynamics
Publisher: American Meteorological Society
Abstract: onal and meridional surface temperature gradients are considered to be determinants of large-scale atmospheric circulation patterns. However, there has been limited investigation of these gradients as diagnostic aids. Here, ...
Anomalous ENSO Occurrences: An Alternate View
Publisher: American Meteorological Society
Abstract: There has been an apparent increase in the frequency and duration of El Niño?Southern Oscillation events in the last two decades relative to the prior period of record. Furthermore, 1990?95 was the longest period of sustained ...
Role of Retrospective Forecasts of GCMs Forced with Persisted SST Anomalies in Operational Streamflow Forecasts Development
Publisher: American Meteorological Society
Abstract: Seasonal streamflow forecasts contingent on climate information are essential for water resources planning and management as well as for setting up contingency measures during extreme years. In this study, operational ...
Seasonality and Interannual Variations of Northern Hemisphere Temperature: Equator-to-Pole Gradient and Ocean–Land Contrast
Publisher: American Meteorological Society
Abstract: Historical variations in the equator-to-pole surface temperature gradient (EPG) and the ocean?land surface temperature contrast (OLC) based on spatial finite differencing of gridded historical sea surface and land air ...
A Multivariate Frequency-Domain Approach to Long-Lead Climatic Forecasting
Publisher: American Meteorological Society
Abstract: Guided by the increasing awareness and detectability of spatiotemporally organized climatic variability at interannual and longer timescales, the authors motivate the paradigm of a climate system that exhibits excitations ...
Categorical Climate Forecasts through Regularization and Optimal Combination of Multiple GCM Ensembles
Publisher: American Meteorological Society
Abstract: A Bayesian methodology is used to assess the information content of categorical, probabilistic forecasts of specific variables derived from a general circulation model (GCM) forecast ensemble, and to combine a ?prior? ...
Probabilistic Multimodel Regional Temperature Change Projections
Publisher: American Meteorological Society
Abstract: Regional temperature change projections for the twenty-first century are generated using a multimodel ensemble of atmosphere?ocean general circulation models. The models are assigned coefficients jointly, using a Bayesian ...
How Wet and Dry Spells Evolve across the Conterminous United States Based on 555 Years of Paleoclimate Data
Publisher: American Meteorological Society
Abstract: AbstractEvolving patterns of droughts and wet spells in the conterminous United States (CONUS) are examined over 555 years using a tree-ring-based paleoclimate reconstruction of the modified Palmer drought severity index ...