Incident Overview
A commercial flight encountered turbulence while descending through 11,000 feet during the initial approach to Miami, Florida. The aircraft was operating near a level two radar echo at the time. The captain reported that the flight was crossing a narrow band of clouds and that the aircraft was in clouds when the turbulence occurred.
Weather Conditions
After exiting the clouds, the captain observed a thunderstorm cell approximately 7 to 8 miles south of the aircraft's position. According to the captain, no significant weather was showing on the aircraft's radar at the time of the turbulence encounter.
Injuries and Cabin Situation
A flight attendant who was exiting the aft lavatory was lifted off the floor during the turbulence and sustained an ankle injury when she landed. She was wearing 2-inch high heel shoes at the time of the accident. The seatbelt sign was illuminated, and all passengers were seated. The cockpit crew had made no announcements for flight attendants to be seated before the turbulence.