/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.   69.   93.  117.]
[ -88.2  -89.3  -90.8  -92.4  -94.   -95.3  -96.8  -98.1 -100.5]

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