Right now (Tuesday, 8:00 am) it’s raining lightly and the winds are gusting in western Busan. Typhoon Bolaven hasn’t caused much concern so far. But, this satellite photograph of Bolaven entering the mouth of the Yellow Sea with Typhoon Tembin close behind is still chilling.
Typhoon Bolaven recently passed over Kadena Air Base in Okinawa, Japan as it moves northwestward into the Yellow Sea for a final landfall later this week in North Korea. Clouds from Bolaven’s northeastern quadrant were blanketing Japan’s island of Kyushu, which is the southwestern most island of the four main islands of Japan. The Yellow Sea is an arm of the North Pacific of the East China Sea, and it is situated between China and Korea.
On Aug. 26, NASA’s Aqua satellite captured both storms in one infrared image. The Atmospheric Infrared Sounder (AIRS) instrument captured an infrared image of Typhoon Tembin southwest of Taiwan and Typhoon Bolaven entering the Yellow Sea. AIRS has been providing infrared data about cloud temperatures, and sea surface temperatures around the storm. Both storms had large areas of very cold clout top temperatures that exceeded -63F/-52C) indicating strong uplift in each storm. At the time of the image, Bolaven was moving over the Ryukyu Islands. They are a chain of islands owned by Japan that stretch southwest from Kyushu, Japan to Taiwan.
On Aug. 27, infrared imagery from NASA’s Aqua satellite showed that Bolaven maintained tightly-curved banding of thunderstorms that were wrapping into a well-defined and large low-level circulation center. The center of circulation is as large as 550 nautical miles in diameter!
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