Untitled

Initial Formation and Westward Track:
                   (Subtropical Ridge)
                 --------------------------
                |                            |
   <-           |                            |           -> (Mid-Latitude Westerlies)
 Westward        |                            |
 Movement        |                            |
                 --------------------------
                [Tropical Storm]

Poleward Turn:
                   (Subtropical Ridge)
                 --------------------------
                |                            |
                |           -> (Poleward Turn)         |
                |          [Tropical Storm]            |
                 --------------------------

Eastward Track:
                   (Subtropical Ridge)
                 --------------------------
                |                            |
                |                            |
                |                            |        -> [Tropical Storm]
                 --------------------------
                         (Mid-Latitude Westerlies)