Fig. 8 Track forecasts for the no dropwindsonde GFDL
control (GFNO), the all dropwindsonde run (GFAL), the run with
only targeted observations (GFTG), the run with data in and
around Tropical Storm Bonnie (GFT1), and the data in and around
the trough region (GFT2) for Tropical Storm Bonnie, 21 August
1998 0000 UTC. Forecast locations are plotted every 12 h except
at 60 h.