/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.]
[-63.7 -64.1 -62.4 -59.3 -54. ]

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