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Solar Activity Report for 4/6/02

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  • b1blancer_29501
    Things have been relatively quiet today. Although they are appoaching the western limb of the solar disk, sunspot regions 9885 and 9887 remain a threat for
    Message 1 of 1 , Apr 6, 2002
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      Things have been relatively quiet today. Although they are appoaching
      the western limb of the solar disk, sunspot regions 9885 and 9887
      remain a threat for flares, and there's at least a remote possibility
      for a major flare. There are a couple of coronal holes visible this
      evening, but neither is positioned to send any high speed solar wind
      gusts our way. Newly emerged sunspot region 9893 looks like it may
      have M-class flare producing potential.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 234
      SFI : 206
      A index : 4
      K index : 2

      Solar wind speed : 397.2 km/sec
      Solar wind density : 9.2 protons/cc
      Solar wind pressure : 1.9 nPa

      IMF : 8.3 nT
      IMF Orientation : 5.8 nT North

      Conditions for the last 24 hours :
      No space weather storms were observed for the past 24 hours.

      Forecast for the next 24 hours :
      Space weather for the next 24 hours is expected to be minor. Radio
      blackouts reaching the R1 level are expected.

      Solar activity forecast :
      Solar activity is expected to be at low to moderate levels. A chance
      for an isolated major flare exists due to the magnetic complexity seen
      in several regions.

      Geomagnetic activity forecast :
      Geomagnetic field activity is expected to be quiet on day one of the
      forecast. A slight chance of isolated active conditions exist for days
      two and three. The greater than 2 MeV electron flux dropped below
      event levels at 05/2140 UTC (max flux 2140 pfu's at 05/1725 UTC) ,
      although levels remain elevated at the time of this writing.

      Recent significant solar flare activity :
      04-Apr-2002 1532Z M6.1
      04-Apr-2002 1048Z M1.4
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