In fact, the expected acceleration of the vortex winds (at 10 hPa) after the reversal is remarkably dramatic -- back up to *above normal* strength in one week. That's almost as dramatic as the deceleration that would normally occur in a major SSW! 🙃 pic.twitter.com/mGHJSZGkRg

— Dr Simon Lee (@SimonLeeWx) January 16, 2024