Fig. 10 Track forecasts for the no dropwindsonde GSM
control (AVNN), the all dropwindsonde run (AVAL), the run with only targeted
observations (AVTG), the run with data in and around Tropical Storm
Bonnie (AVT1), and the data in and around the trough region (AVT2) for
Tropical Storm Bonnie, 21 August 1998 0000 UTC. Forecast locations
are plotted every 12 h except at 60 h.