Add new Build 16.0 GSM flags.
Add new Build 16.0 GSM flags.

ShawnMurd/MetPy,ahaberlie/MetPy,deeplycloudy/MetPy,ahaberlie/MetPy,jrleeman/MetPy,dopplershift/MetPy,Unidata/MetPy,ahill818/MetPy,jrleeman/MetPy,dopplershift/MetPy,Unidata/MetPy