He's basically suggesting that because it happened in the Northern Hemisphere it will happen in the Southern Hemisphere. Problem is, Antarctica is land surrounded by water, the Arctic is water surrounded by land. The Arctic's jet steam has also weakened in the past, causing severe events like this, whereas the Southern Hemisphere hasn't seen events like that, not affecting the land anyway. I wouldn't be surprised, though. Weather isn't weather anymore, it's always an event... When snow, rain, heat or cold happen these days, it's breaking records or coming close to breaking records.
Is Earth's 10,000 years of a stable climate coming to end? It makes me wonder what that would mean for us if so given the birth and flourishing of human civilisation correlates with this this era of stable and predictable weather (remembering we, as modern humans had existed 200,000+ years before that). We do have technology nowadays, i.e. reliable heat in the winter, cold in the summer, but when 'events' happen, 'reliability' goes away, e.g. the black outs we had this summer.
All good things come to an end... and in the case of climate, whether natural or manmade, it's bloody expensive! Natural disasters caused 306 billion dollars worth of damage in the US alone in 2017.. And since the oceans are rising and coastlines changing, future generations will be spending billions of dollars saving current infrastructure instead of investing in newer, better technologies.
Of course I am forgetting that human activity is inert and completely separate to Earth's systems so we can't do anything about it. I need to watch some more to remind me
Edit: oh yeah, and it was a beautiful sunny day today