Figure 11. Guidance track forecasts from 0000 UTC 4 September through 0600 UTC 14 September from (a) GFSI (red), (b) EMXI (teal), (c) GFDI (purple), and (d) HWFI (blue) for Hurricane Ike, 1 – 14 September 2008. The best track is given by the thick solid black line with positions given at 6 h intervals.