4 ms·
4 sigma is once every 43 years (twice in a lifetime) 4.5 sigma is once every 403 years (once in the modern era) 5 sigma is once every 4776 years (once in reco
by myshpa 3y ago
4 sigma is once every 43 years (twice in a lifetime)
4.5 sigma is once every 403 years (once in the modern era)
5 sigma is once every 4776 years (once in recorded history)
- ttymck 3y agoHow do you derive these? Edit: probability for daily event, see here: https://en.m.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule https://en.m.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_r...
- myshpa 3y agohttps://www.abc.net.au/news/2023-07-24/antarctic-sea-ice-levels-nosedive-five-sigma-event/102635204 https://www.abc.net.au/news/2023-07-24/antarctic-sea-ice-lev... "The consensus statement at the moment would be that this is largely anthropogenic forces that have caused the ocean to warm, for the atmosphere to be highly disturbed and to affect the sea ice," Dr Heil said. ... Either way, she fears a further change in the balance could trigger a tipping point from where it's difficult to reverse the trajectory. ... "I think a lot of people have the time line too long out, saying this won't affect them. I'm pretty convinced that this is something my generation will experience."
- atkailash 3y ago[dead]