evidence: A new record minimum for Antarctic sea ice [...] Antarctic sea ice extent reached a new record low of 1.965 million km2 on 23 February 2022. This extent is approximately 32% below climatological values and might indicate a transition to new, more extreme, annual fluctuations. [...] Handcock, M. S. & Raphael, M. N. Modeling the annual cycle of daily Antarctic sea ice extent. The Cryosphere14, 2159–2172 (2020).