/home/critechuser/cycloneSurge/Python/vtcalc.py:19: FutureWarning: comparison to `None` will result in an elementwise object comparison in the future.
  if lon == None :

****************
[  0.   9.  21.  33.  45.  57.]
[-122.9 -125.1 -127.7 -129.8 -131.9 -134. ]

****************