Tropical Storm Ma-On Update #21 w/ Video

Tropical Storm Ma-On continues to move away from Honshu. It was last located approximately 590km south southeast of Tokyo. Maximum sustained winds have decreased to 65kph with gusts of up to 95kph. Ma-On is moving southeastward at 20kph.

In its latest advisory, JTWC actually downgraded Ma-On to a Tropical Depression although the JMA continues to classify Ma-On as a tropical storm.

Wind reports in Kanto continue to show northeasterly winds of 20-30kph with strong winds of up to 50kph being reported near the coast and islands. Rain has ended for most Japanese cities.

Models and agencies are in good agreement in the forecast track for Ma-On. By Friday it will be approximately 620km southeast of Tokyo and by Saturday, it will be well east of Tohoku region. Ma-On is forecast to begin extra tropical transition as early as Saturday.


Meanwhile, in the Philippine Sea, a new invest has formed near Yap and Palau (east of Mindanao). A weak circulation was picked up by a satellite image although winds remain weak and convection are still spotty. Computer models, however, are forecasting a cyclone to form in this region in 3-6 days' time. It could move towards Northern Luzon by the middle of next week.


Video Update


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Issued (0830 UTC) 430pm PhT 072111