 After ships reported a low @-@ level circulation , it was estimated that a tropical depression developed at 26 @.@ 8 ° N , 49 @.@ 9 ° W on September 27 . Early on the following day , the depression strengthened into Tropical Storm Hannah . Reconnaissance aircraft flew into the storm late on September 28 and indicated that Hannah intensified into a Category 1 hurricane . Hannah moved generally westward at about 16 mph ( 26 km / h ) . By September 30 , the storm became a Category 2 hurricane , and it curved northwestward later that day . Hannah deepened to a Category 3 hurricane on October 1 , hours before the storm reached its peak intensity with maximum sustained winds of 120 mph ( 195 km / h ) and a minimum barometric pressure of 959 mbar ( 28 @.@ 3 inHg ) . The storm maintained this intensity for about 48 hours and curved northeastward on October 2 . 
