The reversal in temps across NW Europe is quite extraordinary: for example, the UK's gas-weighted composite weather variable jumped over 7°C from one week to the next - the greatest weekly increase on record (7-day means, data since 1960). The AO index jumped by +6 in 7 days. pic.twitter.com/KkiuEiPtCE

— World Climate Service (@WorldClimateSvc) February 25, 2021