persistent anomaly being cast on or around the 23rd... https://www.tropicaltidbits.com/analysis/models/?model=gfs-ens®ion=nhem&pkg=z500a&runtime=2017111200&fh=30 starts the 21st www.tropicaltidbits.com/analysis/models/gfs/2017111200/gfs_z500a_us_40.png 23rd www.tropicaltidbits.com/analysis/models/gfs/2017111200/gfs_z500a_us_43.png 24th curious if it'll drop down into the states by the time it gets here. www.tropicaltidbits.com/analysis/models/gfs/2017111200/gfs_z500a_us_44.png but before all that the 19th is COLD I don't doubt a gap either direction www.tropicaltidbits.com/analysis/models/gfs/2017111200/gfs_z500a_us_30.png