Role of ocean upper layer warm water in the rapid intensification of tropical cyclones:A case study of typhoon Rammasun (1409)

SUN Jia; ZUO Juncheng; LING Zheng; YAN Yunwei

doi:10.1007/s13131-015-0761-1

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Article Navigation > Acta Oceanologica Sinica > 2016 > 35(3): 63-68

SUN Jia, ZUO Juncheng, LING Zheng, YAN Yunwei. Role of ocean upper layer warm water in the rapid intensification of tropical cyclones:A case study of typhoon Rammasun (1409)[J]. Acta Oceanologica Sinica, 2016, 35(3): 63-68. doi: 10.1007/s13131-015-0761-1

Citation:

SUN Jia, ZUO Juncheng, LING Zheng, YAN Yunwei. Role of ocean upper layer warm water in the rapid intensification of tropical cyclones:A case study of typhoon Rammasun (1409)[J]. Acta Oceanologica Sinica, 2016, 35(3): 63-68. doi: 10.1007/s13131-015-0761-1

Citation:

SUN Jia, ZUO Juncheng, LING Zheng, YAN Yunwei. Role of ocean upper layer warm water in the rapid intensification of tropical cyclones:A case study of typhoon Rammasun (1409)[J]. Acta Oceanologica Sinica, 2016, 35(3): 63-68. doi: 10.1007/s13131-015-0761-1

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Role of ocean upper layer warm water in the rapid intensification of tropical cyclones:A case study of typhoon Rammasun (1409)

doi: 10.1007/s13131-015-0761-1

1.
Key Laboratory of Coastal Disaster and Defence of Ministry of Education, Hohai University, Nanjing 210098, China;Institute of Physical Oceanography, Hohai University, Nanjing 210098, China
2.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China

Received Date: 2015-07-13
Rev Recd Date: 2015-09-28

Abstract

Abstract

Rammasun intensified rapidly from tropical storm to super typhoon in the northern South China Sea (NSCS) before its landfall on Hainan Island. Analysis of observed data shows that the anomalous ocean upper layer warm water (WW) is important to the rapid intensification of Rammasun. During the period of Rammasun, sea surface temperature (SST) in the NSCS was much warmer than the climatological SST. The anomalous WW supplied more energy to Rammasun, resulting in its rapid intensification. Numerical simulations further confirm that the NSCS WW plays an important role in the rapid intensification of Rammasun. As the WW is removed, the intensification of Rammasun is only 25 hPa, which is 58.1% of that in the original SST-forced run.
- tropical cyclone,
- Rammasun,
- rapid intensification,
- warm water,
- sea surface temperature

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References(23)

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