Question

Sounding plotted on skew-T diagram

What is the lifting condensation level (LCL) for the surface layer in this sounding?
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LCL = hPa

Answer: The LCL = about 840 hPa.
From the surface dewpoint (Td =13°C), proceed up the saturation mixing ratio line. From the surface temperature (T =27°C) proceed up the dry adiabat. The two lines intersect at the LCL = 840 hPa.
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