Composites of Heavy Rain Producing Elevated Thunderstorms in the Central United States

Figure 14

Analysis valid at 0600 UTC 19 August 2002 of (a) 850 mb geopotential height (solid black), isotachs > 20 kt (shaded) and standard wind barbs; and (b) 850 mb advection [solid black; shaded > +3 K (3 hr⁻¹)].

(a)

(b)