~It is important to consider sea ice extent in all its dimensions. Not just compare the horizontal one.
~Whereas a penetrating 2007 or 2012 sunlight melt didn't occur, there was a great loss of ice nevertheless
~The proof is in the size of multi year pack ice, usually seen floating away from the Arctic Basin looking like a mix of first year and much older ice with various height profiles, giving the impression of a spectacular jungle of sea ice vertical shapes, 2021 had no such great old tall forms to observe.
Surface temperatures October 2021 are the warmest the Canadian archipelago had in history, despite 11th place finish of Arctic sea ice extent at minima. The disconnect between the two suggests a much warmer sea, spreading around heat more evenly, even under a huge area of intense cloud cover lasting months, with very little insolation to speak of.
2021 October 26 (left) and 25 frost and drizzle accretion, South Cornwallis Island (-1 C weather). With end of October 16 C above normal, almost everyday was at record or is a record maximum temperature for the entire month!
October 6 sea ice arrival, speaks for self, especially for those who are use to seeing fall ice movements. WD October 26, 2021
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