@dendrite
remember the January storm you brought up Earl Baker's isentropic surface analysis page and how it isn't working? This week we happen to be going over isentropic analysis (which is completely blowing my mind away, especially as I'm reading this 80+ page paper from the late 1980's which is pure gold) and I've been trying to find if any places provide forecasts. I came across this
https://cumulus.geol.iastate.edu/
(under numerical models, forecast theta sfcs). Only has the NAM but is this similar to what Earl's page plotted? I can't remember what the plots had looked like: