Figure 5

Perturbation size

Fig. 5. Perturbation size at the nominal sampling time 1 August 1998 0000 UTC, from the previous day MRF ensemble forecast. The large hurricane symbol is the location of Tropical Storm Alex at the nominal time. The small hurricane symbols are the locations of Alex every 12 h before and after the nominal time. The black dots represent the locations of dropwindsonde observations.

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