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Sea Ice Update

June 28, 2013; 3:27 PM ET

Sea ice extent across the Arctic continued to decline at a more normal rate over the past several weeks and is currently running well above the record low year of 2012.

The image below shows the most recent Arctic sea ice extent compared to normal the the record low year of 2012 and the 1979-2000 average. Image courtesy of the National Snow and Ice Data Center (NSIDC)

By the way, starting in July the NSIDC will be comparing against a new 30-year normal (1981-2010) instead of the older, shorter 1979-2000 period.

The NSIDC image below shows the latest Arctic sea ice concentration. The solid line shows the normal extent of sea ice.

The NSIDC image below shows the latest Antarctic sea ice concentration. The solid line shows the normal extent of sea ice.

Arctic sea ice thickness

The image below shows the latest estimate of Arctic sea ice thickness compared to other years going back to 1980. Note that this year is running very close to the record low year of 2012. Image courtesy of the University of Washington PIOMAS.

The image below shows the up to date anomaly analysis of the Arctic sea ice volume compared to normal, which gives us the best idea about the health of the sea ice in the Arctic. As you can see the long-term trend is in steady decline. Image courtesy of PIOMAS.

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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Climate Change
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