Here is our synoptic forcing for ascent via 500mb trough digging into the TN river valley. As the vort max rounds the base of the trough (🟠🔴), DCVA & WAA will engender strengthening (gradually) of the low once off ~OBX. That’s when we’ll see the snow shield expand & LL RH ⬆️ pic.twitter.com/Z599MXIPXq

— A ☈ mando ϟalvadore (@KaptMands) January 7, 2022