Add link to video of AMS talk.
Add link to video of AMS talk.

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