SAN JUAN, Puerto Rico (AP) — Beryl strengthened into a hurricane Saturday as it churned toward the southeastern Caribbean, with forecasters warning it was expected to become a dangerous major storm before reaching Barbados late Sunday or early Monday.

A major hurricane is considered Category 3 or higher, with winds of at least 111 mph (178 kph). At midafternoon Saturday, Beryl was a Category 1 hurricane, marking the farthest east that a hurricane formed in the tropical Atlantic in June, breaking a record set in 1933, according to Philip Klotzbach, Colorado State University hurricane researcher.

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