circulation, centered about 70 miles (110 km) southeast of San Andres, or 155 mi (250 km) east of the Nicaraguan coast; as a result, the Miami Weather Bureau began issuing advisories on the newly formed Tropical Storm Hattie. After being classified, Hattie moved steadily northward, passing very near or over San Andres Island. A station on the island recorded a pressure of and sustained winds of 80 mph (130 km/h), which indicated that Hattie had reached hurricane status. Late on October 28, a Hurricane Hunters flight encountered a much stronger hurricane, with winds of 125 mph (200 km/h) in a small area near the center. At the time, gale-force winds extended outward 140 mi (225 km) to the northeast and 70 miles (115 km) to the southwest. Early on October 29, a trough extending from Nicaragua to Florida was expected to allow Hattie to continue northward, based on climatology for similar hurricanes. Later that day, Hattie was forecast to be an imminent threat to the Cayman Islands and western Cuba. Around that time, a strengthening ridge to the north turned the hurricane northwestward, which spared the Greater Antilles but increased the threat to Central America. With the strengthening ridge to its north, Hattie began restrengthening after retaining the same intensity for about 24 hours. Initially, forecasters at the Miami Weather Bureau predicted the storm to turn northward again. Late on October 29, the center of the hurricane passed about 90 miles (145 km) southwest of Grand Cayman, at which time the interaction between Hattie and the ridge to its north produced squally winds of around 30 mph (50 km/h) across Florida. Early on October 30, the Hurricane Hunters confirmed the increase in intensity, reporting winds of 140 mph (225 km/h). The storm's minimum central pressure continued to drop throughout the day, reaching by 1300 UTC; a lower pressure of was computed at 1700 UTC that day, based on a flight-level reading from the Hurricane Hunters. Hattie later curved toward the west-southwest, passing between the Cayman Islands and the Swan Islands. Late on October 30, Hattie attained peak winds of 165 mph (270 km/h), concomitantly with a minimum central pressure of , about 190 mi (310 km) east of the border of Mexico and British Honduras. This made Hattie a Category5 hurricane on the Saffir-Simpson Hurricane Scale, making it the latest hurricane on record to reach the status until a reanalysis