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Skew-T log-P diagram



   

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A Skew-T Log-P diagram is one of four thermodynamic diagrams commonly used in weather analysis and forecasting. In 1947, N. Herlofson proposed a modification to the emagram which allows straight, horizontal isobars, and provides for a large angle between isotherms and dry adiabats, similar to that in the tephigram. It was thus more suitable for some of the newer analysis techniques being invented by the United States Air Force.

The major use for skew-T log-P diagrams is the plotting of radiosonde soundings, which give a vertical profile of the temperature and dew point through the atmosphere above a certain point on the ground. The isopleths on the diagram can then be used to simplify many tedious calculations involved, which were previously performed by hand or not at all.


See also


References

Thermodynamic Diagrams(Offline in Dec 2007)

Thermodynamic Diagrams

Bibliography

  • M K Yau and R.R. Rogers, Short Course in Cloud Physics, Third Edition, published by Butterworth-Heinemann, January 1, 1989, 304 pages. EAN 9780750632157 ISBN 0-7506-3215-1
  • J.V. Iribarne and W.L. Godson, Atmospheric Thermodynamics, 2nd Edition, published by D. Reidel Publishing Company, Dordrecht, the Netherlands, 1981, 278 pages, ISBN-10: 9027712972, ISBN-13:978-902771297
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Skew-T_log-P_diagram". A list of authors is available in Wikipedia.
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