Stormy... "Dolly" Headed for Rio Grande Landfall... Tropical Activity to Drop For a Whilehttp://community.fox30online.com/blogs/bureshblog/archive/2008/07/22/3224121.aspxThunderstorms Mon. evening in Tennessee into Georgia helped develop what's termed a "mesoscale vorticity maximum" -- or, more simply, a weak upper level disturbance.  The disturbance moved into Southeast Ga. during peak heating Tue. triggering numerousen-USCommunityServer 2.0 (Build: 60217.2664)