Tephigram

An aerological diagram with cartesian co-ordinates T (temperature) and log Ø (potential temperature).

Tephigram

== Description == The tephigram was invented by Napier Shaw in 1915 and is used primarily in the United Kingdom and Canada. Other countries use similar thermodynamic diagrams for the same purpose however the details of their construction vary. In the tephigram, isotherms are straight and have a 45 degree inclination to the right while isobars are ...
Found on http://en.wikipedia.org/wiki/Tephigram

tephigram

(from the article `Shaw, Sir Napier`) English meteorologist whose introduction of the millibar, a unit of measurement of air pressure, and the tephigram, a graphical representation of the ...
Found on http://www.britannica.com/eb/a-z/t/26
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