SIMULATION OF CYCLONE GONU USING THE ADVANCED HURRICANE WRF: SENSITIVITY TO DOMAIN COVERAGE, NESTING, RESOLUTION AND STARTING TIME

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MALEKOOTI HOSSEIN; ALIMOHAMMADI MEHRYAR

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Journal: JOURNAL OF MARINE SCIENCES AND TECHNOLOGY Year:2014 | Volume:13 | Issue:3 Page(s): 0-0

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Title

SIMULATION OF CYCLONE GONU USING THE ADVANCED HURRICANE WRF: SENSITIVITY TO DOMAIN COVERAGE, NESTING, RESOLUTION AND STARTING TIME

Author(s)

MALEKOOTI HOSSEIN | ALIMOHAMMADI MEHRYAR | Issue Writer Certificate

Keywords

AHWQ2

GONUQ2

CYCLONEQ1

INTENSITYQ2

TRACKQ2

Abstract

Domain design, different starting times and applying internal fixed and moving domains within the coarser simulation domain similar to different physical options can play important roles in the results of numerical models in order prediction of tropical CYCLONEs. In this study, GONU Tropical CYCLONE (2007) that it was formed in the northern Indian Ocean (Arabian Sea) and Advanced Hurricane WRF Model (AHW) have been selected to demonstrate this sensitivity. Initial and boundary conditions, and the best TRACK data in order to comparison was received from NCEP Final Analyses (FNL) data and the IMD (Indian Meteorological Department), respectively. The simulation results in domain design sensitivity showed, the domain that was extended more to the east and was included a lower coverage of the Persian Gulf had more accuracy in predicting of TRACK and the best performance and also had an acceptable performance in predicting of hurricane INTENSITY at the time to reach the coast of Oman and Iran. Although this domain in predicting the INTENSITY peak of CYCLONE is better than other domain designs, but has weaker TRACK than the available reality (IMD). Then, internal fixed and moving domains to separate within this domain is considered and the results showed that despite some improvement in simulated INTENSITY error, there was a reduction of simulated CYCLONE TRACK. Generally, the results showed that internal fixed domain rather than internal moving domain has the better performance in selected cases. Thereafter, different starting times were tested and the results showed that the simulation starting time, 48 to 60 hours before maximum INTENSITY of storm or in other words, when the central pressure of system shows about 1000 hPa has the better performance in simulation of CYCLONE TRACK and INTENSITY. Finally, the best configuration is tested for Phet tropical CYCLONE (2010) that was formed in the same area. The results of this testing were satisfactory.

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APA: Copy

MALEKOOTI, HOSSEIN, & ALIMOHAMMADI, MEHRYAR. (2014). SIMULATION OF CYCLONE GONU USING THE ADVANCED HURRICANE WRF: SENSITIVITY TO DOMAIN COVERAGE, NESTING, RESOLUTION AND STARTING TIME. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, 13(3), 0-0. SID. https://sid.ir/paper/403207/en

Vancouver: Copy

MALEKOOTI HOSSEIN, ALIMOHAMMADI MEHRYAR. SIMULATION OF CYCLONE GONU USING THE ADVANCED HURRICANE WRF: SENSITIVITY TO DOMAIN COVERAGE, NESTING, RESOLUTION AND STARTING TIME. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY[Internet]. 2014;13(3):0-0. Available from: https://sid.ir/paper/403207/en

IEEE: Copy

HOSSEIN MALEKOOTI, and MEHRYAR ALIMOHAMMADI, “SIMULATION OF CYCLONE GONU USING THE ADVANCED HURRICANE WRF: SENSITIVITY TO DOMAIN COVERAGE, NESTING, RESOLUTION AND STARTING TIME,” JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, vol. 13, no. 3, pp. 0–0, 2014, [Online]. Available: https://sid.ir/paper/403207/en

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