Analysis of the warmest Arctic winter, 2015–2016

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dc.contributor.authorCullather, Richard I.
dc.contributor.authorLim, Young-Kwon
dc.contributor.authorBoisvert, Linette N.
dc.contributor.authorBrucker, Ludovic
dc.contributor.authorLee, Jae N.
dc.contributor.authorNowicki, Sophie M. J.
dc.date.accessioned2023-07-11T21:41:28Z
dc.date.available2023-07-11T21:41:28Z
dc.date.issued2016-10-06
dc.description.abstractDecember through February 2015–2016 defines the warmest winter season over the Arctic in the observational record. Positive 2 m temperature anomalies were focused over regions of reduced sea ice cover in the Kara and Barents Seas and southwestern Alaska. A third region is found over the ice-covered central Arctic Ocean. The period is marked by a strong synoptic pattern which produced melting temperatures in close proximity to the North Pole in late December and anomalous high pressure near the Taymyr Peninsula. Atmospheric teleconnections from the Atlantic contributed to warming over Eurasian high-latitude land surfaces, and El Niño-related teleconnections explain warming over southwestern Alaska and British Columbia, while warm anomalies over the central Arctic are associated with physical processes including the presence of enhanced atmospheric water vapor and an increased downwelling longwave radiative flux. Preconditioning of sea ice conditions by warm temperatures affected the ensuing spring extent.en_US
dc.description.sponsorshipSurface Temperature Analysis (GISTEMP) data were obtain from NASA Goddard Institute for Space Studies (http://data.giss.nasa.gov/gistemp/). Reanalysis fields [Global Modeling and Assimilation Office, 2015a, 2015b] and AIRS data products were obtained from the Goddard Earth Sciences Data and Information Services Center. Sea ice concentration data derived from passive microwave remote sensing with the NASA Team algorithm were obtained from the National Snow and Ice Data Center. Monthly indices were obtained from the NOAA Earth System Research Laboratory (http://www.esrl.noaa.gov/psd/data/climateindices/list/). The authors posthumously thank Andrew G. Slater for his helpful comments in review and thank one other anonymous reviewer. This study was funded by grants from the NASA Interdisciplinary Research in Earth Science (IDS) program to the first, fourth, and sixth authors.en_US
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2016GL071228en_US
dc.format.extent9 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m21lwd-eqde
dc.identifier.citationCullather, R. I., Lim, Y.-K., Boisvert, L. N., Brucker, L., Lee, J. N., and Nowicki, S. M. J. (2016), Analysis of the warmest Arctic winter, 2015–2016, Geophys. Res. Lett., 43, 10,808– 10,816, doi:10.1002/2016GL071228.en_US
dc.identifier.urihttps://doi.org/10.1002/2016GL071228
dc.identifier.urihttp://hdl.handle.net/11603/28608
dc.language.isoen_USen_US
dc.publisherAGUen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleAnalysis of the warmest Arctic winter, 2015–2016en_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0001-9814-9855en_US

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