Upper Air/Radiosonde Data

This display plots a map of weather balloon or radiosonde observations by selecting a level in the atmosphere to display the data at. Note that the pressure level (in units of millibars) goes down as you go up in height. Generally, the LC-130 aircraft fly at 500 to 400 millibars. This display shows the temperature and dew point (both in degrees C), winds (in knots), the geopotential height (in meters), and the WMO identification number.

The following comprise our available Skew-T log-P diagrams, Text Listing and Hodographs of the weather balloons launched from around Antarctica updated every 3 hours showing data the most recent of two launch times at 0 and 12 UTC. Some stations will not have data available or will be available 6 or 9 hours after observation time. The Skew-T chart displays a profile of temperature, dewpoint and winds from the manditory levels in the balloon flight. The Hodograph displays the winds as a radial chart from the manditory levels in the balloon flight.

Other Real-Time Weather Observations and Data

Automatic Weather Station Observations Antarctic Composite Satellite Images Polar Orbiting Satellite Images Surface Observations Polar Navigation Tracks Numerical Weather Prediction Displays

Ship and Buoy Observations Pilot Reports Upper Air/Radiosonde Observations Movies and Animations Webcam Images

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This material is based upon work supported by the National Science Foundation under Grants Nos. OPP-0537827, OPP-0338147, and OPP-0230028. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the view of the National Science Foundation.