Today’s ECMWF is still slightly more impressed than the GFS showing a 920-921mb low over the Aleutians tomorrow. As @AlaskaWx describes here, this would be a record low MSLP for the high-latitude N Pacific. https://t.co/wU39ISwiNU pic.twitter.com/4OSxPNLimk

— Eric Webb (@webberweather) December 30, 2020