Figure 5

Fig. 5 Perturbation size at the nominal sampling time 24 August 1998 0000 UTC, from the previous day MRF ensemble forecast. The large hurricane symbol is the location of Hurricane Bonnie at the nominal time. The small hurricane symbols are the locations of Bonnie every 12 h before and after the nominal time. The circles represent the locations of dropwindsonde observations. The closed dropwindsondes represented by closed circles were ingested into the TG run; the dropwindsondes represented by the open circles were ingested into the NT run.