Cobb data is out for the 0Z GFS run. It is surprisingly bad for east of 81 so I wont post it. If anyone want to look at it. go to this link and change MRB to your closest airport code. I am not trying to add negativity to this thread:
https://meteor.geol.iastate.edu/~ckarsten/cobb/cobb.php?model=gfs&site=kmrb