[Ips-sws-alert] STRONG SHOCK DETECTED IN SOLAR WIND AT 18 04 2001 0640UT

[Regional Warning Centre]

STRONG SHOCK DETECTED IN SOLAR WIND AT 18 04 2001 0640UT
      Mean Solar Wind Parameters Pre/Post Shock:
                               Pre        Post     Pre/Post
      Param.    Unit           Shock      Shock    Change
      Density   part/cc          1.7       17.1       15.4
      Velocity  km/sec         295.3      527.0      231.7
      Temp      Degree K     81564.7   263100.0   181535.3
      Bt        nT              12.2       16.9        4.7
      Bz        nT             -10.4        1.5       11.9
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Confirm event at http://sec.noaa.gov/ace/MAG_SWEPAM_24h.html