Figure 6.   Cross section from Goodland, Kansas, to Covington, Kentucky, based upon Rapid Update Cycle initial fields valid at 2000 UTC 19 April 2000. Equivalent potential temperature (solid white; 2 K) and relative humidity (dashed green; 10%) are rendered, with shaded areas depicting relative humidity > 70% (light green) and > 80% (dark green). The location of Columbia, Missouri, is denoted by the COU near the bottom center of the image.