Wow - the September AMO index (NOAA/PSL version) came in at +0.66, the highest monthly value on record (1856-present). This is a detrended index, i.e. recent mid-latitude ocean warmth has far exceeded background warming https://t.co/7xFX2bPBBV pic.twitter.com/TTtUouJ0dg

— World Climate Service (@WorldClimateSvc) October 14, 2022