The final step is to smooth jagged forecast shapes.  The above image is the final forecast image shown on the WWW. Shown is the Convective Hazard Detection field (stratiform is not removed), a 1 hour forecast (blue shapes), motion vectors (white lines), and speed (knots)/echo tops (Cft) labels. Click on the image to toggle between the smoothed forecast shape and the non-smoothed shape.

Click "Back" to return to Applying tops value.

Click "Performance" to see the accuracy of the above forecast.