[Technical] Working on new polar cap height graphics this week, and I started wondering about troposphere vs stratosphere skill. The last 3 EC-46 reforecasts show much superior skill in the stratosphere: R>0.6 well over a month ahead. This is why we focus on the stratosphere! pic.twitter.com/uBjawyW2hA

— World Climate Service (@WorldClimateSvc) October 29, 2021