January 11th to 12th saw the first 2–day melt or compaction of sea ice in the 2019 Arctic. That is, the sea ice extent reported by JAXA was down two days in a row for the first time this year, be it primarily due to wind or actual melting of ice. Arguably, every single day of the year contains a combination of melt and freeze, or compaction and expansion, so clearly, we’re talking about a net melt.
Meanwhile, the much more important data for sea ice volume is being sabotaged by a scientist strike in the USA. Climate scientists refuse to do their job — nothing new there per se — so we’re left with rather old data, with November 2018 being the latest data point. For the zoomed out 10–year chart, that’s not so important anyway:
Please help share this most important graph revealing persistent decline and a climate Tipping Point several decades back in our past: The true Tipping Point for ice is not at a future date or a yet to materialise future temperature threshold, it already happened.
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 make a decadal average graph?
A: Easy. Use a computer. Add all the ice for the latest 3650 days, divide by that number of days.
Q: Why would I even do that?
A: Let’s say you want to know how much ice we have in the latest decade compared to the decades before that.