This is a COSMIC sounding overlaid on a Greensboro NC sounding at approximately the same time and location.

The lines on the skew-T are: white: forecast parcel temperature lifted from surface thick red: Greensboro, NC RAOB temperature ..... thick green: Greensboro RAOB dew point temperature the two purple lines are temperature and dew point from the COSMIC sounding. cyan (blue): Greensboro Wet-bulb temperature thick red: Greensboro RAOB virtual temperature