9th September

Solar wind parameters at ACE were indicative of a nominal solar wind
regime. Solar wind speeds ranged from a low near 360 km/s to as high as
478 km/s during the period. Speeds steadily dropped off after 09/0400
UTC and finished near the 390 km/s mark. IMF total field values remained
steady between 4 nT to 6 nT for most of the period, while Bz fluctuated
between +/-5 nT. Phi angle remained in a negative (toward) orientation
throughout the period.

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