Assessing Strong Updrafts Lapse Rates Vertical Wind Shear The Big Picture at 500 mb Lee Troughs Surface Boundaries and the Big Picture Prefrontal Troughs and Confluence The Big Picture at 850 mb Elevated Convection Upper-Level Jet Streaks Coupled Jet Streams Book traversal links for Lesson 3. Sizing up the Synoptic Scale ‹ Case Study: May 10, 2010 Up Assessing Strong Updrafts › Printer-friendly version