New forecast product showing GFS forecast 100 hPa eddy heat flux (spatial map & 45-75°N zonal-mean quantities decomposed into wavenumbers) + geopotential height now live on my site: https://t.co/ad0e1AK1mk. Hope this is useful for looking at stratospheric dynamics in real-time! pic.twitter.com/I90c0EP9tq

— Dr Simon Lee (@SimonLeeWx) January 13, 2021