Hurricane Irma’s northern eyewall reaches Key West

KEY WEST, Florida  — The northern eyewall of Hurricane Irma has reached the Florida Keys, the National Hurricane Center tweeted Sunday morning. As of 7 a.m. ET, the hurricane’s eye was about 15 miles southeast of Key West, the NHC said. NORTHERN EYEWALL OF HURRICANE #IRMA REACHES THE LOWER FLORIDA KEYS. EYE IS 15 MILES SOUTHEAST OF KEY WEST. https://t.co/pyUyGir4z6 — NHC Atlantic Ops (@NHC_Atlantic) September 10, 2017 Hurricane Irma strengthened into a Category 4 stor