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Area of Low Pressure by Hainan Island, China

19.0N 109.5E

October 9th, 2010 Category: Tropical Storms

Area of Low Pressure by Hainan, China - October 8th, 2010

Enhanced image

The area of convection previously located near 18.7N 108.6E, is now located near 18.4N 109.1E, tracking along the coast of Hainan Island.

Animated multispectral imagery shows an exposed low level circulation center (LLCC) with deep convection sheared to the east.

An ASCAT pass depicts a broad circulation over the island with 15 to 20 knot westerly winds along the southern periphery of the island. Additionally, observations from the southern tip of Hainan Island are reporting a mean surface level pressure of 1006 mb with 06 knot southwesterly winds.

Upper level analysis indicates the system is located poleward of the subtropical ridge axis in an area of high vertical wind shear (20 to 30 knots). Maximum sustained surface winds are estimated at 15 to 20 knots.

Minimum sea level pressure is estimated to be near 1006 mb. The potential for the development of a significant tropical cyclone within the next 24 hours remains poor.

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