.
Surface Contours
surface maps


The various contours available for surface images include:

  • isobars (lines of constant pressure)
  • isotherms (lines of constant temperature)
  • isodrosotherms (lines of constant dew point temperature)
This section has been designed to explain what each feature represents and how to interpret them on weather maps.

The Following Options Are Available:

More Extensive Resources Include:



Surface Obs
Terms for using data resources. CD-ROM available.
Credits and Acknowledgments for WW2010.
Department of Atmospheric Sciences (DAS) at
the University of Illinois at Urbana-Champaign.

isobars