Surface air temperature

Overland, J.E., Hanna, Edward, Hanssen-Bauer, I. , Kim, S.-J., Walsh, J.E., Wang, M., Bhatt, U.S. and Thoman, R.L. (2018) Surface air temperature. Arctic Report Card . ISSN 2153-5272

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Item Type:Article
Item Status:Live Archive


• The average annual surface air temperature anomaly over land north of 60° N for October 2017-September 2018 was the second highest (after 2015-2016) in the observational record beginning in 1900. Arctic temperatures for the past five years (2014-2018) all exceed previous records.
• Arctic air temperature continues to increase at double the rate of the global mean air temperature increase.
• Autumn, winter and spring months all contributed positive anomalies to the annual average temperature. These conditions were supported by advection of heat and moisture from the subarctic by north-south wavy jet stream patterns.
• During summer, neutral temperature anomalies occurred across the central Arctic Ocean with a low pressure pattern. Like summer 2016 and 2017, 2018 weather conditions did not support rapid summer sea ice and ice sheet loss.

Keywords:Arctic, temperature
Subjects:F Physical Sciences > F860 Climatology
Divisions:College of Science > School of Geography
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ID Code:34615
Deposited On:14 Feb 2019 16:44

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