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Online Guides
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Reading Maps
  utc conversions
  temp conversions
  surface obs
> surface maps
  upper air obs

Surface Maps
  temperature maps
  dew point maps
  pressure maps
> observation maps

Observation Maps
> surface obs
  surface obs, ir sat

User Interface
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Surface Observations

[Image: (24K)]
Reference Weather Map

Current Weather Map

The surface meteorological charts above depict the current surface conditions at chosen sites across North America.

The hourly observations (updated every hour) contain information about surface temperature and dew point temperature in degrees Fahrenheit, sea level pressure, wind speed and direction, cloud cover and type of weather conditions occurring at each surface station during the last hour. The hourly observations link provides detailed information on how to decode and interpret the numbers and symbols at each station.

Pressure 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.

surface obs, ir sat