Positioning Tropical Cyclone Center in a Single Satellite Image Using Vector Field Analysis

Tropical cyclone (TC) center location or eye fix is the first and inevitable procedure in TC forecasting, but mostly done manually in practice. Here we present a novel and objective method to locate TC center by compensating conventional pattern matching and vector field analysis methods together. The experimental results show satisfactory results in comparison with the best track data from the China Meteorological Administration especially when the spiral patterns of TC are well structured. Our method being introduced, TC forecasters can fix TC eye objectively and easily from data of all kinds of meteorological satellites.

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