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- Title
Tropical cyclones over the North Indian Ocean: experiments with the high-resolution global icosahedral grid point model GME.
- Authors
Kumkar, Yogesh V.; Sen, P. N.; Chaudhari, Hemankumar S.; Oh, Jai-Ho
- Abstract
In this paper, an attempt has been made to conduct a numerical experiment with the high-resolution global model GME to predict the tropical storms in the North Indian Ocean during the year 2007. Numerical integrations using the icosahedral hexagonal grid point global model GME were performed to study the evolution of tropical cyclones, viz., Akash, Gonu, Yemyin and Sidr over North Indian Ocean during 2007. It has been seen that the GME model forecast underestimates cyclone's intensity, but the model can capture the evolution of cyclone's intensity especially its weakening during landfall, which is primarily due to the cutoff of the water vapor supply in the boundary layer as cyclones approach the coastal region. A series of numerical simulation of tropical cyclones have been performed with GME to examine model capability in prediction of intensity and track of the cyclones. The model performance is evaluated by calculating the root mean square errors as cyclone track errors.
- Subjects
INDIAN Ocean; TROPICAL cyclones; WEATHER forecasting; NUMERICAL integration; ATMOSPHERIC boundary layer
- Publication
Meteorology & Atmospheric Physics, 2018, Vol 130, Issue 1, p23
- ISSN
0177-7971
- Publication type
Article
- DOI
10.1007/s00703-017-0503-3