I won't even post to Facebook....just verbally explained there. Left the MAC at home...awful, but you get the point. The blog has some nice visuals, with SIM RAD and fonto, etc.
First Call:
https://easternmassweather.blogspot.com/2021/02/growing-potential-for-quick-hitting.html
Map looks like something out of the portfolio of @weatherwiz, since I don't have my MAC right now.