​Contour analysis

• The basics
• Example 500-mb map. Same 500-mb map contoured by pencil. 
• Example 700-mb map. Same 700-mb map contoured by pencil.
• Example 850-mb map. Same 850-mb map contoured by pencil.
• Practice website, Diablo Valley College
• Practice website, University of Wisconsin (click on html5 links)
• Practice website, COMET
• Algorithms which perform contours (interesting material, not required): Tracking and Marching Squares ; Marching Squares wiki page ; Triangulated Irregular Network (TIN) ; CONREC
• Video lecture (second half). Audio only.