Fig. 6 Initial condition differences in the vertically averaged 850 - 200 hPa winds between the GSNO and GSAL cases, 21 August 1998 0000 UTC. The large hurricane symbol is the location of Tropical Storm Bonnie at the nominal time. The small hurricane symbols are the locations of Bonnie every 12 h previous and after the nominal time. The black dots represent the locations of dropwindsonde observations.