You won't see me show love to the CFSv2 often... but this time it's warranted. Kudos to NOAA and the CFSv2 in predicting the upcoming Stratospheric Polar Vortex Displacement 6 weeks ago. Note: Model has a distinct cold bias up in the stratosphere as time rolls forward. pic.twitter.com/BmsOsECY29

— Mike Ventrice (@MJVentrice) November 28, 2017