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Tropical Storm Ian Near Cape Canaveral

Thursday September 29, 2022 9:37 AM EDT

The center of Tropical Storm Ian was near Cape Canaveral, Florida on Thursday morning. At 8:00 a.m. EDT on Thursday the center of Tropical Storm Ian was located at latitude 28.5°N and longitude 80.7°W which put it about 10 miles (15 km) west of Cape Canaveral, Florida. Ian was moving toward the northeast at 8 m.p.h. (13 km/h). The maximum sustained wind speed was 65 m.p.h. (105 km/h) and there were wind gusts to 80 m.p.h. (130 km/h). The minimum surface pressure was 987 mb.

A Hurricane Watch was in effect for the portion of the coast from the Flagler/Volusia County Line, Florida to South Santee River, South Carolina. The Hurricane Watch included Savannah, Georgia and Charleston, South Carolina. A Tropical Storm Warning was in effect for the portion of the coast from Jupiter Inlet, Florida to Cape Lookout, North Carolina. A Tropical Storm Warning was in effect for the portion of the coast from Bonita Beach to Indian Pass, Florida. A Tropical Storm Warning was in effect for Lake Okeechobee.

Tropical Storm Ian was still producing strong winds along the east coast of Florida on Thursday morning. A National Weather Service station in Daytona Beach, Florida (KDAB) reported a sustained wind speed of 55 m.p.h. (89 km/h) and a wind gust of 76 m.p.h. (122 km/h).

Former major Hurricane Ian weakened to a tropical storm while it blew across Central Florida on Wednesday night. The structure of Ian also changed when it weakened. The areas of tropical storm force winds expanded over the Atlantic Ocean. Winds to tropical storm force extended out 400 miles (645 km) on the east side of Ian’s circulation. Winds to tropical storm force extended out 140 miles (220 km) on the western side of the circulation. Thunderstorms were occurring in bands in the northern and western parts of Tropical Storm Ian. Bands in the southern and eastern parts of Ian consisted primarily of showers and lower clouds.

Tropical Storm Ian was in the early stage of a transition to an extratropical cyclone. An upper level trough over the eastern U.S. was producing southwesterly winds that were blowing toward the top of Ian’s circulation. Those winds were causing moderate vertical wind shear. The wind shear was tilting upper part of Ian’s circulation toward the northeast. The wind shear was also starting Ian’s transition to an extratropical cyclone. Drier air was wrapping around the southern side of Tropical Storm Ian. The drier air was contributing to the lack of heavy rain in the southern and eastern parts of Ian.

Tropical Storm Ian will move through an environment somewhat favorable for intensification during the next 36 hours. Ian will move over water where the Sea Surface Temperatures are near 29˚C. The upper level trough over the eastern U.S. will continue to produce southwesterly winds that will blow toward the top of Ian’s circulation. Those winds will continue to cause moderate vertical wind shear. The wind shear will inhibit intensification. Tropical Storm Ian could intensify, if the center moves over the warm water in the Gulf Stream current. Ian could strengthen back to a hurricane during the next 36 hours.

The upper level trough will steer Tropical Storm Ian toward the north during the next 36 hours. On its anticipated track the center Tropical Storm Ian could make landfall in South Carolina on Friday afternoon. Ian could be a strong tropical storm or a Category 1 hurricane on the Saffir-Simpson Scale when it reaches South Carolina. Ian will bring strong gusty winds and locally heavy rain. Heavy rain could cause flash floods in some locations. Easterly winds blowing around the northern side of Tropical Storm Ian will blow water toward the coast. A storm surge of 4 to 6 feet (1.2 to 1.8 meters could occur.