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A trop­i­cal storm watch has gone in­to ef­fect for sev­er­al Caribbean is­lands as Trop­i­cal Storm Jer­ry is fore­cast to be­come a hur­ri­cane on Thurs­day.

The Mi­a­mi-based Na­tion­al Hur­ri­cane Cen­ter (NHC) said that the storm is lo­cat­ed about 835 miles east sout east of the north­ern Lee­ward Is­lands and has max­i­mum sus­tained winds of 50 miles per hour (mph).

A trop­i­cal storm watch is in ef­fect for An­tigua and Bar­bu­da, An­guil­la, St. Kitts and Nevis, Montser­rat, St. Barthele­my, St. Mar­tin, Sint Maarten, Sa­ba , St. Eu­sta­tius, Guade­loupe and the ad­ja­cent is­lands.