[pccgrads] Upcoming PMEL Seminar: Moving Faster to a New Arctic | Jim Overland | February 14 @ 10 AM PST (fwd)

UW PCC uwpcc at uw.edu
Fri Feb 10 15:03:24 PST 2017

Hi all,

This upcoming seminar may be of interest. If anyone wants to come in person in Seattle, please have them contact Adi Hanein (adi.hanein at noaa.gov <https://ap04.alpine.washington.edu/alpine/alpine/2.0/mailto?to=adi%2Ehanein%40noaa%2Egov&pop=view/0/$f/219595> ) to make sure we submit all the necessary paperwork to campus security.

Title: Moving Faster to a New Arctic

Date and Time: February 14, 2017 @ 10 AM PST

Speaker: James Overland, Oceanographer, NOAA Research Pacific Marine Environmental Laboratory

Location: NOAA Pacific Marine Environmental Lab

7600 Sand Point Way NE

Building 3 - Room 2104

Seattle, WA 98103

Remote Access: https://global.gotomeeting.com/join/168810045

You can also dial in using your phone.

United States: +1 (872) 240-3212 <tel:%28872%29%20240-3212>

Access Code: 168-810-045.

Abstract: A new Arctic surprise (unexpected magnitude of rapid change) was extensive record warm Arctic temperature extremes in January–April 2016, which repeated in fall-early winter 2016-7. In January, the Arctic-wide average temperature was 2.0° C above the previous positive record of 3.0° C above normal, with local January values in excess of 7° C above normal. Record sea ice extent losses were observed for all months of 2016 except during the summer. Sea ice multi-year (MY) fraction (amount of old thick ice) had a sharp drop between January 2016 and January 2017, and was 60 % below the MY fraction during the early 2000s. Delayed sea ice freeze up in fall 2016 helped to maintain the warm temperatures, a clear example of Arctic specific feedback processes that amplified the rate of change. An open question is whether there will be continuing near future rapid Arctic changes from such surprises.

Let me know if you're interested or have any questions.




-Adi Hanein
Research Coordinator
NOAA Pacific Marine Environmental Laboratory
Joint Institute for the Study of Atmosphere and Ocean (JISAO)
University of Washington
Phone: 206-526-6810 <tel:(206)%20526-6810>
Fax: 206-526-6815 <tel:(206)%20526-6815>
Email: adi.hanein at noaa.gov <https://ap04.alpine.washington.edu/alpine/alpine/2.0/mailto?to=adi%2Ehanein%40noaa%2Egov&pop=view/0/$f/219595>

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