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Interpreting Upper Level Observation Symbols
a quick overview

Temperature:

The value highlighted in yellow located in the upper left corner is the temperature in degrees Celsius. In this example, the reported temperature is -14 degrees.

Dew Point Temperature:

The value highlighted in yellow located in the lower left corner is the dew point temperature in degrees Celsius. In this example, the reported dew point temperature is -34 degrees.

Geopotential Height:

The value highlighted in yellow located in the upper right corner represents the geopotential height in meters (m).

Wind Barb:

The symbol highlighted in yellow is known as a wind barb. The wind barb indicates wind direction and wind speed.



Observation Maps
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.

temperature