Irma Strengthens Into Category 4 Hurricane, Heading For Eastern Caribbean

SAN JUAN, Puerto Rico (AP) — Hurricane Irma grew into a powerful Category 4 storm Monday as it approached the northeastern Caribbean and was forecast to begin buffeting the region Tuesday.#Irma has become a category 4 hurricane. Preparations within the warning area should be rushed to completion.https://t.co/tW4KeGdBFb pic.twitter.com/40N9AjuXCo
— NHC Atlantic Ops (@NHC_Atlantic) September 4, 2017
“The storm is building strength,” says Bob Turk.
The storm had maximum sust