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View of Talas (15W) Increasing from Tropical Storm to Typhoon Strength

25.6N 133.1E

August 31st, 2011 Category: Tropical Cyclones

Tropical Storm Talas (15W) - August 27th, 2011

Enhanced image

Track of TS 15W - August 31st, 2011 © Univ. of Wisconsin

Track of TS 15W

Typhoon Talas (15W), located approximately 510 nautical miles south-southeast of Tokyo, Japan, has tracked west-northwestward at 07
knots over the past six hours. Maximum significant wave height is 38 feet.

The animated imagery shows the recent track of the system, while the main and enhanced images show it a few days ago, as it was increasing in strength from a tropical storm to a typhoon. By August 25, the system had grown strong enough that the JMA upgraded it to a tropical storm, naming it Talas.  Later that day, the JTWC followed suit and initiated advisories on Talas.  Talas continued to strengthen and by midnight that day, it became a severe tropical storm. Over the next few days, Talas continued to drift north very slowly until late on August 29, when the JMA upgraded Talas to a typhoon.

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