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Tropical Cyclone Imelda (21S) Continues to Strengthen

11.6S 54.8E

April 11th, 2013 Category: Tropical Cyclones

Tropical Storm Twenty One (21S) – April 10th, 2013

Enhanced image

Track of Tropical Storm Twenty One (21S) - April 10th, 2013 © Univ. of Wisconsin

Track of TC 21S

Tropical Cyclone Imelda (TC 21S) has continued to strengthen, and satellite imagery indicates powerful convection throughout the storm.

On April 10 at 0900 UTC (5 a.m. EDT), Imelda’s maximum sustained winds were near 70 knots (80.5 mph/129.6 kph), making it a category one Cyclone. Imelda was centered near 12.1 south latitude and 58.2 east longitude, about 570 nautical miles north-northeast of La Reunion.

Imelda is moving to the west-southwest at 4 knots (4.6 mph/7.4 kph) and has slowed in forward movement. The cyclone is moving around the northwestern edge of a ridge (elongated area) of high pressure and is in an area of light wind shear. A trough of low pressure is expected to push Imelda to the southeast.

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