Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2010, Vol. 7, No. 4, pp. 21-26
Automatic calculation of the parameters of the spiral curvatures for
tropical cyclone and estimation cyclone dynamic characteristics on
satellite imagery
A.I. Alexanin
, A.S. Eremenko
Institute for Automation and Control Processes, Far-Eastern Branch of Russian Academy of Science, 690041 Vladivostok, 5 Radio str
The possibility of application of the of hyperbolic-logarithmic spiral model for approximation of the wind-cloudy
curves of a tropical cyclones (TC) on IR-images from geostationary satellites was researched. There were used the
cloud structural charts of TCs in the form of dominant orientation of thermal contrast (DOTC) for automated calculation
of the spiral parameters. Two of those parameters are maximum wind speed and coefficient of air friction. The
results demonstrate the ambiguity of the task decision. The spiral use for TC center correction is considered.
Keywords: tropical cyclone, maximum wind speed, wind-cloudy curves, satellite image
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