16 March

Solar wind speed at the ACE spacecraft, reached a peak of 423 km/s at
15/1232 UTC and slowly declined to end-of-period speeds approaching 350
km/s. Total IMF remained below 5 nT. The maximum southward component of
Bz reached -2 nT at 15/1832 UTC. Phi angle was in a predominately
positive (away) sector throughout the period.

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