MGAUS NCAR Radiosonde launch 20150315 020000

Surface winds picked up a bit for the 8pm launch (westerly). Temperature again follows the dry adiabat until about 600mb.  Small temperature inversion around 600mb. Dry layer still holding between 600mb to about 450mb. 

Edit: U. of Wyoming sounding for 00Z shows a similar dry layer in Denver. 

Courtesy of: http://weather.uwyo.edu/