Recent weather model skill report: (5-day NH Z500)
ECMWF is running away from the pack -- number 1 by a mile.
UKMET is the clear runner up.
CMC and GFS are battling for 3rd and 4th place.

The performance of operational GFS during winter is markedly poor. pic.twitter.com/L96kOEIesG

— Ryan Maue (@RyanMaue) February 20, 2019