Tropical storm warnings are in effect for Barbados, St. Lucia, Dominica, Martinique and Guadeloupe.
Tropical-storm-force winds extend outward up to 115 miles from the center. In addition, pockets of moderate to heavy showers, periods of rain and scattered thunderstorms are expected.
Kirk is located about 355 miles (570 km) east-southeast of Martinique with maximum sustained winds of 60 miles per hour (95 kph), the Miami-based weather forecaster said.
Across eastern Puerto Rico, Kirk will likely bring 2 to 4 inches of rain with isolated 6 inches by Friday and Saturday. "We are still in the peak of the 2018 hurricane season, Virgin Islanders must continue to remain vigilant and prepared". Tropical storm conditions are expected to first reach the warning area by Thursday afternoon, making outside preparations hard or unsafe.More news: Trump gives news conference in New York City
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A cyclone is a closed-circulation rotating storm that depending on its wind-speed intensity, is classified, from weakest to strongest, as a tropical depression, tropical storm or hurricane. Its maximum sustained winds were 45 miles per hour.
On Tuesday, Tropical Storm Rosa formed off the Pacific Coast.
A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. Tropical storm conditions are possible within the watch area by Thursday afternoon or evening. It however noted that the island is likely to see rainfall accumulations of only one to two inches.
The area of low pressure near North Carolina is weak and fairly disorganized.
Elsewhere in the Atlantic, the remnants of Leslie continue to reorganize.