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RISCluster Analysis of North Atlantic–European Circulation Types and Links with Tropical Pacific Sea Surface Temperatures
Publisher: American Meteorological Society
Abstract: Observed atmospheric circulation over the North Atlantic?European (NAE) region is examined using cluster analysis. A clustering algorithm incorporating a ?simulated annealing? methodology is employed to improve on solutions ...
A Study of Six Operational Sea Surface Temperature Analyses
Publisher: American Meteorological Society
Abstract: This study results from recommendations made by a 1984 WMO Expert Committee on Ocean-Atmosphere Interaction Relevant to Long-Range Forecasting. The committee suggested that comparisons be carried out between monthly sea ...
Trends and Variations in South Pacific Island and Ocean Surface Temperatures
Publisher: American Meteorological Society
Abstract: An analysis of temperature variability and trends in the South Pacific, mainly in the twentieth century, using data from 40 island stations and optimally interpolated sea surface and night marine air temperature data is ...
Revised “LEPS” Scores for Assessing Climate Model Simulations and Long-Range Forecasts
Publisher: American Meteorological Society
Abstract: The most commonly used measures for verifying forecasts or simulators of continuous variables are root-mean-squared error (rmse) and anomaly correlation. Some disadvantages of these measures are demonstrated. Existing ...
Improved Analyses of Changes and Uncertainties in Sea Surface Temperature Measured In Situ since the Mid-Nineteenth Century: The HadSST2 Dataset
Publisher: American Meteorological Society
Abstract: A new flexible gridded dataset of sea surface temperature (SST) since 1850 is presented and its uncertainties are quantified. This analysis [the Second Hadley Centre Sea Surface Temperature dataset (HadSST2)] is based on ...