Intensity forecast of tropical cyclones over North Indian Ocean using multilayer perceptron model: skill and performance verification

Sutapa Chaudhuri (), Debashree Dutta, Sayantika Goswami and Anirban Middey

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2013, vol. 65, issue 1, 97-113

Abstract: The coastal regions of India are profoundly affected by tropical cyclones during both pre- and post-monsoon seasons with enormous loss of life and property leading to natural disasters. The endeavour of the present study is to forecast the intensity of the tropical cyclones that prevail over Arabian Sea and Bay of Bengal of North Indian Ocean (NIO). A multilayer perceptron (MLP) model is developed for the purpose and compared the forecast through MLP model with other neural network and statistical models to assess the forecast skill and performances of MLP model. The central pressure, maximum sustained surface wind speed, pressure drop, total ozone column and sea surface temperature are taken to form the input matrix of the models. The target output is the intensity of the tropical cyclones as per the T—number. The result of the study reveals that the forecast error with MLP model is minimum (4.70 %) whereas the forecast error with radial basis function network (RBFN) is observed to be 14.62 %. The prediction with statistical multiple linear regression and ordinary linear regression are observed to be 9.15 and 9.8 %, respectively. The models provide the forecast beyond 72 h taking care of the change in intensity at every 3-h interval. The performance of MLP model is tested for severe and very severe cyclonic storms like Mala (2006), Sidr (2007), Nargis (2008), Aila (2009), Laila (2010) and Phet (2010). The forecast errors with MLP model for the said cyclones are also observed to be considerably less. Thus, MLP model in forecasting the intensity of tropical cyclones over NIOs may thus be considered to be an alternative of the conventional operational forecast models. Copyright Springer Science+Business Media B.V. 2013

Keywords: Tropical cyclone; Intensity; Forecast; T—number; MLP; RBFN; MLR; OLR models (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (7)

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DOI: 10.1007/s11069-012-0346-7

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