GREENVILLE, S.C. (FOX Carolina) - Tropical Storm Erin is moving quickly through the Central Atlantic, but it’s been slow to strengthen. In fact, Erin hasn’t really intensified much since it formed Monday.

That is going to change today as the system heads into warmer waters with less dry air around. We are expecting the storm to intensify into a hurricane Thursday night into Friday morning and then build into a major category 3 hurricane by the later part of the weekend.

The data is in very good agreement on the track through the weekend as Erin passes north of the Caribbean Islands. Once we get into next week, the data shows a slightly wider spread on the track but all of them still show a turn to the north. When that turn happens is the big question.

When the turn happens hangs on how

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