Question

Sounding plotted on skew-T diagram

It is a summer day at a location in the Southern Plains. The time is 1300 UTC, and you have the recent 1200 UTC sounding plot as well as the sounding plot from 0000 UTC the evening before.

Your task is use the sounding plots to determine the cloud base for later in the day, assuming a mixed layer depth similar to yesterday.

From the 0000 UTC sounding shown, what was the top of the mixed layer?
Enter your answer in the text box below, then click Done.

Top of the mixed layer = hPa

The top of the mixed layer at 0000 UTC was 750 hPa. Up to this level the dewpoint curve follows an nearly uniform mixing ratio and the temperature curve follows a dry adiabatic lapse rate. These conditions indicate a well-mixed layer.
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