 Hurricane warnings have been issued for several islands near the Caribbean. NPR's Manzi Karana reports Tropical Storm Beryl has strengthened into a hurricane and is expected to reach Barbados Sunday night, possibly as a Category 3 storm. Forecasters say that Hurricane Beryl will steadily strengthen as it moves across warm ocean waters in the Atlantic towards Barbados. The Prime Minister of Barbados is warning people to prepare for the worst.