Annual Average Sea Ice Volume

2018 was the 5th lowest calendar year on record for annual average sea ice volume in the Arctic. After 2017, 2012, 2016 & 2011. Since New Year we’ve climbed further up, and by early March it seems likely we’ll go beyond the 14 mark for the first time since November 2016, by averaging higher than […]

Annual Average Sea Ice Extent

2018 was the 2nd lowest (start of the green graph) calendar year on record for annual average sea ice extent in the Arctic. After 2016, but before 2017. Since New Year we’ve climbed back up to 4th lowest, and per now it even seems likely we’ll leave this chart at the high end during March, […]

Arctic sea ice volume refreeze

Arctic sea ice volume refreeze has come 89% of the way since Summer Minimum per February 19th. The lowest volume year ever, 2017, by the same date, was at 73%. Q: Where’s the data source for this plot?A: Here: http://psc.apl.uw.edu/research/projects/arctic-sea-ice-volume-anomaly/data/Q: How can anyone know if there is a full refreeze?A: Easy. Use a computer. If you […]

Arctic sea ice extent refreeze

Arctic sea ice extent refreeze has come 101% of the way since Summer Minimum per February 18th. The lowest extent year ever, 2016, by the same date, was at 96%. Q: Where’s the data source for this plot?A: Here: https://ads.nipr.ac.jp/vishop/#/extentQ: How can anyone know if there is a full refreeze?A: Easy. Use a computer. If you […]

Annual Average Sea Ice Volume

2018 was the 5th lowest calendar year on record for annual average sea ice volume in the Arctic. After 2017, 2012, 2016 & 2011. Since New Year we’ve climbed further up, and per now it even seems likely we’ll leave this chart at the high end, by averaging higher than 14 thousand km³ sea ice […]