ECMWF really trying to put the brakes on next week's much-adverised cold shot for the Midwest, while the GFS is having none of it. Ensembles show the same pattern
This looks to be another case of the ECMWF digging a trough into the western US and amplifying the downstream ridge in the east, while the GFS depicts a much more progressive solution. UKMet is a lot closer to the Euro, though not quite as extreme.
My experience has been that the GFS tends to be overly progressive in these types of patterns, though I don't know why. The ECMWF looked a lot like the GFS until last night's run, FWIW.
GFS has now caved to the Euro solution for next week
This was a good thread recognizing model biases and trends. For the record, afternoon dewpoints in Champaign-Urbana have struggled to drop below the mid 60s all week, and have been in the 70s on some days.
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