📢Our next forecasting system upgrade #IFS47r3 takes place TOMORROW!
This is the second set of improvements to the system this year, after May’s upgrade to #IFS47r2
For full details, visit https://t.co/1DNz9s6i9p#newfcsystem pic.twitter.com/SsRMojmk2i

— ECMWF (@ECMWF) October 11, 2021