[Ips-sws-alert] WEAK SHOCK DETECTED IN SOLAR WIND AT 21 04 2001 1506UT

[Regional Warning Centre]

WEAK SHOCK DETECTED IN SOLAR WIND AT 21 04 2001 1506UT
      Mean Solar Wind Parameters Pre/Post Shock:
                               Pre        Post     Pre/Post
      Param.    Unit           Shock      Shock    Change
      Density   part/cc          6.1        9.9        3.8
      Velocity  km/sec         352.0      390.7       38.6
      Temp      Degree K     27724.1    40438.9    12714.8
      Bt        nT               2.8        6.6        3.9
      Bz        nT               1.6        2.3        0.7
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Confirm event at http://sec.noaa.gov/ace/MAG_SWEPAM_24h.html