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Tropical Storm Maliksi Undergoing Extra-Tropical Transitioning – October 4th, 2012

31.9N 137.8E

October 4th, 2012 Category: Image of the day, Tropical Storms

Tropical Storm Maliksi (20W) – October 3rd, 2012

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Track of Tropical Storm Maliksi (20W) - October 3rd, 2012 © Univ. of Wisconsin

Track of TS 20W

Tropical Storm Maliksi (20W), located approximately 330 nautical miles southeast of Yokosuka, Japan, has accelerated north-northeastward at 32 knots over the past six hours.

Animated enhanced infrared satellite imagery shows the central convection has become greatly sheared to north-east, partially exposing the low level circulation center (LLCC). The same animation shows cold air stratocumulus clouds advecting into the LLCC from the northwest, an indication of baroclinicity.

Upper level analysis indicates TS 20W is now well north of the ridge axis in an area of very strong southwesterly vertical wind shear (30-50 knots). It is tracking along the northwest periphery of a deep-layered subtropical ridge to the east. The system is now undergoing extra-tropical transition and will become a cold core low by TAU 12.

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