Abstract:Tropical cyclone ensemble track forecasts from 153 initialization times during 2017-2018 are clustered using regression mixture models. Clustering is performed on a four-ensemble dataset (ECMWF + GEFS + UKMET + CMC; EGUC), and a three-ensemble dataset that excludes the CMC (EGU). For both datasets, five-cluster partitions are selected to analyze, and the relationship between cluster properties (size, ensemble composition) and 96-144-h cluster-mean error is evaluated. For both datasets, small clusters produce … Show more
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