/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.   12.   24.   36.   48.   72.   96.  120.]
[ 40.2  40.9  41.5  41.8  41.4  39.8  37.4  34.1]

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