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

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[   0.   12.   24.   36.   48.   72.   96.  120.]
[ 123.8  124.5  125.5  126.4  126.7  126.5  127.   127.7]

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