0800Z – 22 July 2012

TS 09W has become much better organized in the South China Sea, with spiral banding wrapping into a well-defined LLCC. Bands are visible in multispectral satellite imagery, extending from Hainan Dao to the Philippines and Taiwan.

The previous TUTTc (C28) that was inhibiting development of 09W appears to have dissipated.

By TAU 24, C27 will eject poleward and interact with two other upper-lows throughout the period, one marked “?” and the other marked with “??” These circulations will rotate about a common axis near 170W.

C27 in the EPAC continues as a rather intense circulation with winds over 55kts observed in the western semicircle of the circulation.

By TAU 48, a potentially new upper-low is marked as “??”, located near 160W as described above in the WPAC section of the discussion.

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