Trying to come up with a good deep stable layer graphic.
     Defined in June 2014, after Wolyn and McKee MWR March 1989.  
     Values are percentage of 1.5-km depth that are stable
     based on their criterion of lapse rate <= 2.5C/km.

My RIP code is found here.
Click here to loop all graphics.
Click here to loop all d3 graphics, or just 2014111400 graphics, or just 2014111900 graphics.
Click here to loop all d4 graphics, or just 2014111400 graphics, or just 2014111900 graphics.