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Use up/down arrows to compare vorticity plots.

(1) 250 hPa smoothed (N=5) relative vorticity (shaded in 10-5 s-1), vector wind (arrows in m s-1), and 850-700 hPa layer-mean smoothed (N=5) relative vorticity (black contours every 5x10-5 s-1 starting at 5x10-5 s-1).
(2) 850 hPa smoothed (N=5) relative vorticity (shaded in 10-5 s-1), vector wind (arrows in m s-1), and smoothed (N=5) potential temperature (black contours every 3oC).
(3) Sea-level pressure (black contours every 4 hPa), 850 hPa temperature (red dashed contours every 3oC), 10-m wind (standard barbs in knots), and 1-h precipitation (shaded in mm).

Forecasts are from the NSSL MPAS model also available here. Output variables are interpolated to a 0.1x0.1 degree latitude-longitude grid.
Select variables are smoothed with a 9-point local smoother run N times.