Graphics: ARWpost - Skew-T Example

skew.gs
Program to plot skewT (modified version of function as found on
http://www.ems.psu.edu/~bryan/mm5/grads/)
TO RUN TYPE: run skew.gs (needs pressure level TC,TD,U,V as input)
User will be prompted if a hardcopy of the plot must be created - 1 = yes and 0 = no.
If 1 is entered, a GIF image will be created.
Need to enter lon/lat of point you are interested in
Need to enter time you are interested in
Can overlay 2 different times