How to Contour

Contouring Basics

Contouring is the process of drawing isopleths.

• An isopleth is a line of equal value.

  • Greek word iso = equal

  • Greek word pleth = value

Contouring is important in...

• Locating different boundaries of temperature, moisture, wind speed, and wind direction

• Finding the location of atmospheric fronts

• Locating potential regions for severe thunderstorm development

• A better understanding of meteorological processes

  • • http://weather.rap.ucar.edu/surface/

    • http://www.twisterdata.com/