NAM QG

Feb 22 12Z

850 mb Geostrophic Temperature Advection

500 mb Absolute Geostrophic Vorticity Advection

1000-500 mb Thickness 700 mb Vorticity (Trenberth)

Feb 24 12Z

1000-500 mb Thickness 700 mb Vorticity (Trenberth)

February 25 00Z

1000-500 mb Thickness 700 mb Vorticity (Trenberth)