/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.   6.  18.  30.  42.  54.  66.  90.]
[-83.  -83.  -83.  -82.  -80.  -76.4 -72.5 -60. ]

****************
outData.txt