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Area of Convection Brings Strong Winds to Diego Garcia

February 18th, 2009 Category: Tropical Cyclones

Area of convection, Indian Ocean - February 18th, 2009

Area of convection, Indian Ocean - February 18th, 2009

An area of convection has persisted near 8.1S 72.3E, approximately 50 nautical miles south-southwest of Diego Garcia.

Recent animated multispectral satellite imagery shows pronounced cyclonic turning about a poorly defined low level circulation center (LLCC).

Water vapor imagery indicates that the convection is shallow and sheared to the West.

A previous QUIKSCAT image revealed strong cross-equatorial westerlies to the North of a weak circulation, with Diego Garcia located in an area of strong speed convergence.

Diego Garcia is reporting sustained surface westerlies of 15 knots, gusting to 22 knots, and sea level pressure near 1007mb.

Maximum sustained surface winds are estimated at 15 to 20 knots. Minimum sea level pressure is estimated to be near 1007 mb.

Because convection has yet to consolidate and the LLCC remains broad and ill-defined, the potential for the development of a significant tropical cyclone within the next 24 hours is poor.

source JTWC

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