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Tropical Cyclone 25P (Lin) Begins Extratropical Transition

April 6th, 2009 Category: Tropical Cyclones

Tropical Cyclone 25P (Lin) - April 5th, 2009

Tropical Cyclone 25P (Lin) - April 5th, 2009

TC 25P (Lin), located approximately 630 nm southeast of Nadi, Fiji, has tracked south-southeastward at 22 knots over the past 6 hours. Maximum significant wave height is 17 feet.

Animated infrared imagery depicts a low level circulation center (LLCC) that has started extratropical transition (ET), becoming elongated to the southeast.

Current intensity estimates have rapidly decreased for the system as the convection associated with the cyclone has become sheared from the LLCC to the Southeast.

Rapidly increasing vertical wind shear associated with a long wave trough southwest of Lin has been the primary factor in the system undergoing ET.

Sea surface temperatures have continued to decrease asTC 25P continues tracking to the south-southeast and have become unfavorable for further development. These factors, coupled with a strong baroclinic boundary, will lead to rapid ET in the next 12 hours.

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