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Tropical Depression 13W Expected to Dissipate Over Next 12 Hours – August 13th, 2011

30.6N 138.7E

August 13th, 2011 Category: Image of the day, Tropical Storms

Tropical Depression 13W - August 12th, 2011

Track of TD 13W - August 11th, 2011 © Univ. of Wisconsin

Track of TD 13W

Tropical Depression 13W, located approximately 390 nm south of Yokosuka, Japan, has tracked eastward at 09 knots over the past six hours. Maximum significant wave height is 6 feet.

Animated multispectral imagery shows the low level circulation has remained fully exposed and totally void of any deep convection.

The system is stripped of vertical structure and is now in a weak steering pattern north of the subtropical ridge in cool waters (below 26 celsius). It is expected to dissipate as a significant tropical cyclone over water in the next 12 hours.

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