Despite its poor structure, the system maintained strong winds in its eastern semicircle. The depression intensified into Tropical Storm Alberto early on June 11 about  southwest of the Dry Tortugas, based on Hurricane Hunters' reports of flight level winds of  in a few convective bands.
Despite its inadequate organization, the system retained powerful winds in its eastern quadrant. The depression intensified into Tropical Storm Alberto on June 11, approximately southwest of the Dry Tortugas, according to reports from the Hurricane Hunters regarding wind speeds in specific convective areas.