Computer Science – Performance
Scientific paper
Jun 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3211804k&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 11, CiteID L11804
Computer Science
Performance
1
Atmospheric Processes: Tropical Meteorology, Atmospheric Processes: Remote Sensing, Atmospheric Processes: Instruments And Techniques
Scientific paper
An automatic method for intensity estimation of tropical cyclones using multi-channel observations from TRMM Microwave Imager (TMI) is developed using a non-linear data fitting approach called Genetic Algorithm. The intensity estimation technique SIEGA (Storm Intensity Estimation using Genetic Algorithm) uses only 9 simple statistical variables based on TMI observations and does not require any subjective input except the center of the cyclone. SIEGA was trained using 91 randomly arranged TMI scenes corresponding to several tropical storms (1998-2002), and produced a root-mean square error of 13.88 kt, and average absolute error of 10.71 kt when tested on an independent test sample of 230 TMI scenes. Sensitivity of SIEGA's performance to the uncertainties in the location of TC center has also been carried out.
Basu Sujit
Joshi Prakash C.
Kishtawal C. M.
Narayanan M. S.
Patadia Falguni
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