Cfs2 has been advertising a trough in the east for weeks. Not a winter style trough, a summer one, which is much shallower but still effective in giving us regular shots of more tolerable summer temps.
 
	Cfs2 has also been pretty consistent with blocking around the Pole for December too. 
 
	Here's a link to the most recent of the June 500mb anomalies with a caveat that the Cfs2 for those unfamiliar has 4 runs/day.
 
	https://www.tropicaltidbits.com/analysis/models/?model=cfs-mon®ion=nhem&pkg=z500a&runtime=2025031318&fh=3