Late on August 13 , a weather forecaster said that it was `` beginning to look like Irene-junior '' . They said this because it was undergoing mid-level shear towards southwest `` beneath the otherwise favorable upper-level outflow pattern '' . Late on August 13 , it was `` beginning to look like Irene-junior as it undergoes southwesterly mid-level shear beneath the otherwise favorable upper-level outflow pattern '' .