28th August

The solar wind environment at the ACE spacecraft continued to reflect
the CME passage. Early in the period, the wind speed rose from 300 to
near 350 km/s and it remained in the upper 300 km/s range. Bt remained
elevated, nearing 14 nT and ending near 10 nT. Bz was negative for the
bulk of the period, dipping to -14 nT and ending near -8 nT. Phi was
generally positive.

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