Update: SLC and a few other stations have now reported and heights are within the margin of error of the radiosonde (10m) so the primary shortwave is about as strong as expected this eve.

Thus subsequent model trends may have more to do with internal processes vs sampling errors pic.twitter.com/XKNt6XBgXs

— Jack Sillin 🇺🇦 (@JackSillin) February 6, 2021