Lamb circulation types for the northern hemisphere derived from historical CMIP simulations and reanalysis data
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This dataset contains 6-hourly instantaneous categorial data of the Lamb circulation type (Lamb 1972) on a 2.5 degrees longitude-latitude grid covering the entire northern hemisphere extratropics between 30ºN and 70ºN for the period 1979-2005. These "Lamb catalogues" were calculated for the historical experiments of 46 distinct GCMs from the Coupled Model Intercomparison Project phase 5 and 6 and two distinct reanalyses (ERA-Interim and JRA-55). For 12 out 46 GCMs, 72 additional runs are provided to explore the role of internal model variability. For more information, please refer to the following article: Brands, S. (2021): A circulation-based performance atlas of the CMIP5 and 6 models for regional climate studies in the northern hemisphere.<em> Geoscientific Model Development Discussions</em>, gmd-2020-418 or contact: swen.brands@gmail.com Reference: Lamb, H.: British Isles Weather types and a register of daily sequence of circulation patterns, 1861-1971, Geophysical Memoir, 116, 85pp., HMSO, 1972. CAUTION: If unpacked, this dataset occupies 93 GB of your local disk space.
