The colder the polar stratosphere becomes, the stronger the polar vortex - and vice versa. The strength of the stratospheric polar vortex influences the atmosphere below it in the troposphere. Nov 24, 2025the polar stratosphere is warming, there could be a technical sudden stratospheric warming with a brief reversal of winds before the end of the month, one of the earliest before winter.
For more information on the stratosphere and the affects it can have please take a look at our stratospheric temperature tutorial. The cooler the polar stratosphere, the stronger the polar/ tropical differential becomes; 3 days agothe weather models have for a while been signalling the potential for a major sudden stratospheric warming (ssw) event to occur in early february 2026.
Feb 22, 2023a major sudden stratospheric warming (ssw) is now underway, with the stratospheric polar vortex already displaced from the pole over northern russia, following zonal (westerly) winds at. Dec 6, 2025however, each ssw is different and to understand the global impact of these events requires analysing the characteristics of the stratosphere-troposphere coupling or lack of. Feb 9, 2018what's all this talk about a sudden stratospheric warming (ssw)?
There will be a fairly dramatic event going on in the atmosphere this weekend, which may have a fundamental effect on.