Second Tropical Cyclone in West Pacific

July 29, 2012; 5:56 AM
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Satelite imagery of Saola (near the Philippines) and Damrey (over the open Pacific) courtesy of CIMSS

A tropical depression has developed over the Pacific Ocean and will head toward southern Japan over the next couple of days, threatening more rain to a region already impacted by above-normal precipitation this year.

Tropical Depression 11W, will be named Damrey if it reaches tropical storm status. The tropical cyclone is now the second system occupying the western Pacific as Tropical Storm Saola. Saola is set to bring torrential rains to Taiwan as early as Tuesday. Click here for more information on Saola.

While Damrey does not appear to have quite as favorable conditions as Saola, the system is expected to bring significant rainfall to the southern portions of Japan, namely Kyushu, Shikoku and southern Honshu during the midweek time frame.

Much of Japan has had above-normal rainfall over the past couple of months. Recently, however, Japan has been experiencing a heat wave, with temperatures reaching into the 90s (32-36 C) over the past couple of days. While the rain is not necessarily needed, it will provide lower temperatures for the region, at least for a few days.

The western Pacific will likely remain active over the coming weeks, as low levels of shear and warm ocean temperatures will continue to encourage tropical development. In fact, the models develop the next potential tropical cyclone next week, and early guidance suggests the system will track across some portion of Japan such as Honshu or the Ryukyu Islands.


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