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Posts tagged Leeward Islands

Remnants of Tropical Storm Florence (06L) in Caribbean

18.4N 63.5W

August 9th, 2012 Category: Tropical Storms

Remnants of Tropical Storm Florence (06L) – August 9, 2012

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A low pressure trough – the remnants of Tropical Storm Florence (06L) – is producing an area of disorganized showers and thunderstorms several hundred miles north-northeast of the northern Leeward Islands. Although upper-level winds may become a little more conducive over the next couple of days, significant redevelopment of this system is not expected at this time. This system has a low chance (10 percent) of becoming a tropical cyclone again during the next 48 hours.

Terrain of the British and U.S. Virgin Islands

18.4N 64.6W

January 20th, 2012 Category: Mountains

Puerto Rico - January 3rd, 2012

This orthorectified wide-swath ASAR image shows the Virgin Islands, the eastern island group of the Leeward Islands. The Leeward Islands are the northern part of the Lesser Antilles, which form the border between the Caribbean Sea and the Atlantic Ocean. Politically, the eastern islands form the British Virgin Islands and the western ones form the United States Virgin Islands.

Here, Puerto Rico is partially visible at the left edge. The island southeast of Puerto Rico is Vieques, an island-municipality of Puerto Rico. The island near the bottom edge is Saint Croix, one of the U.S. Virgin Islands. The remaining islands above are divided among the British and U.S. Virgin Islands.

Most of the islands are volcanic in origin and have a hilly, rugged terrain. Anegada, one of the British Virgin Islands, is geologically distinct from the rest of the group and is a flat island composed of limestone and coral. Saint Croix, the largest of the US Virgin Islands, also has a flatter terrain.

Tropical Storm Maria (14L) Expected to Increase in Forward Speed – September 12th, 2011

18.5N 67.9W

September 12th, 2011 Category: Tropical Storms

Tropical Storm Maria (14L) - September 11th, 2011

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Track of Tropical Storm Maria (14L) - September 12th, 2011 © Univ. of Wisconsin

Track of TS 14L

At 11:00 AM AST (1500 UTC) the center of Tropical Storm Maria (14L) was located near latitude 20.7 north, longitude 67.3 west.

Maria is moving toward the west near 2 mph (4 km/h). A faster motion toward the west-northwest is expected later today, followed by a turn toward the northwest and a further increase in forward speed by early Tuesday.

Maximum sustained winds have decreased to near 50 mph (85 km/h) with higher gusts. Little change in strength is forecast during the next 48 hours. Tropical storm force winds extend outward up to 200 miles (325 km) mainly to the north and east of the center. A sustained wind of 40 mph (65 km/h) and a peak gust of 49 mph (79 km/h) were recently reported. Estimated minimum central pressure is 1006 mb (29.71 inches).

Hazards affecting land include rainfall and wind. Maria is expected to produce total rain accumulations of 2 to 4 inches, with isolated maximum amounts of 6 inches over the Virgin Islands, Puerto Rico, and portions of the northern Leeward Islands through Tuesday. Wind gusts to tropical storm force are possible, especially over higher terrain in the Virgin Islands, Puerto Rico, and the extreme northern Leeward islands today.

Low Pressure Area Northeast of Leeward Islands

23.4N 54.6W

October 28th, 2010 Category: Tropical Storms

Area of Low Pressure - October 27th, 2010

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Track of Low Pressure Area

Disorganized showers and thunderstorms associated with an upper-level and surface trough are located about 650 miles northeast of the northern Leeward Islands. In the full image, the island of Puerto Rico is visible towards the bottom left.

Environmental conditions could become more favorable for development of this disturbance during the next day or two. There is a medium chance (30 percent) of this system becoming a subtropical or tropical cyclone during the next 48 hours as it moves westward at 10 to 15 mph.

Hurricane Igor Causing Large Swells in Caribbean Sea

18.7N 62.4W

September 17th, 2010 Category: Tropical Cyclones

Hurricane Igor (11L) - September 16th, 2010

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Track of TS 11L - September 16th, 2010 © Univ. of Wisconsin

Track of TS 11L

As of 11 p.m. AST September 16 (0300 UTC September 17), Hurricane Igor (11L) is located within 15 nautical miles of 22.0°N 58.7°W, about 390 mi (625 km) northeast of the northern Leeward Islands and about 805 mi (1295 km) south-southeast of Bermuda.

Maximum sustained winds are 110 knots (125 mph, 205 km/h), with stronger gusts. Minimum central pressure is 935 mbar (hPa; 27.61 InHg), and the system is moving northwest at 8 kt (9 mph, 15 km/h).

Igor is a large hurricane; hurricane force winds extend up to 105 miles (165 km) from the center of Igor, and tropical storm force winds up to 290 miles (465 km) from the center.