This is temperature profile diagram (Stüve) for Dulles Airport, Washington, D.C.

Question

This is  temperature profile diagram (Stüve) for Dulles Airport, Washington, D.C.  

1. Which of the axes displays linear data; which displays nonlinear data?

2. What do the two black, plotted curves on the Stüve represent?

3. From the plotted air-temperature data, where is the tropopause (the boundary between the troposphere and stratosphere)? Explain.

180316/1200 72403 IAD LCLP: 895 LIFTE 18 TOTL 27 100 200 300 400 500 S00 700 800 900 1000 -80 -70 -60 -504030 -20 -10 20 30 40 NCEP/NWS/NOAA DHPC TMPC

Explanation / Answer

1) x- axis displays the linear data representing the temperature and y- axis displays non-linear data respresenting pressure in the above image.

2) The black plotted curve on the right represent temperature and the curve on the left reperesent dew point temperature in the given image.

3)- The tropopause position in the plotted air- temperature data is at about 200mb. This the height where environmental lapse rate becoming permanently isothermal or evidence of temperature inversions.

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