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Tropical Depression Linfa (03W) Expected to Dissipate

23.5N 119.0E

June 22nd, 2009 Category: Tropical Cyclones

Track of Tropical Depression Linfa (03W) © Univ. of Wisconsin

Track of Tropical Depression Linfa (03W)

TD03W - June 21st, 2009 © JTWC

TD03W - June 21st, 2009

Tropical Depression 03W (Linfa), located approximately 400 nautical miles west of Okinawa, has tracked northeastward at 13 knots over the past six hours. At 22/0600z the system had crossed the Chinese Coast into the East China Sea. Maximum significant wave height is 10 feet.

Animated multispectral satellite imagery shows the system to be completely lacking in deep convection, although the low level circulation center (LLCC) remains well defined. Upper level analysis shows the LLCC is in a narrow area of low to moderate vertical wind shear.

Already downgraded from a severe tropical storm to a tropical depression, the system is forecast to continue weakening under the influence of northeasterly vertical wind shear associated with an upper level anticyclone over south-central China. This persistent wind shear will prevent significant reintensification prior to dissipation near TAU 36.

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