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Published byYulia Iskandar Modified over 6 years ago
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(c) Tropical Cyclone Bondo: Horizontal Structure
NICAM Successfully Simulates Real Tropical Cyclones H. Fudeyasu, Y. Wang (IPRC), M. Satoh, T. Nasuno, W. Yanase, H. Miura (FRCGC) (a) Observed and simulated storm tracks of Tropical Cyclone Bondo and Tropical Storm Isobel (b) Tropical Cyclone Bondo: Vertical Structure NICAM C D Rainband Eye wall OBS(JTWC) NICAM TS ISOBEL, Jan TC BONDO, Dec (c) Tropical Cyclone Bondo: Horizontal Structure TRMM surface rain NICAM surface rain and wind A B The first successful simulations of real tropical cyclones by a global cloud-resolving model, the Nonhydrostatic ICosahedral Atmospheric Model (NICAM), at a resolution of dx= 7 km. Shown in: (a) are JTWC best track data for Tropical Cyclone Bondo and Tropical Storm Isobel and the NICAM storm tracks for these two disturbances; (b) NICAM vertical structure of the eye wall and rain band of Bondo; (c) TRMM and NICAM horizontal structure of Bondo. C D Slide 2
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Tropical Storm Isobel: MJO Triggered
Cloud Features Meteorological satellite data: 2 Jan, 2007 black body temperature showing clouds NICAM 18 days integration (2 Jan ) Tropical Storm Isobel was triggered by the cyclonic wind shear due to westerly wind bursts near the Equator. MJO MJO TS Isobel TS Isobel Evolution of TS Isobel in NICAM: Surface rain rate in mm/h (color bar) and wind 9days 14days 17days MJO MJO TS genesis TS born Evolution of TS Isobel in NICAM shows that strong westerly wind bursts around the Equator increased cyclonic vorticity south of the Equator, generating Tropical Storm Isobel.
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