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Solar Activity Report for 3/31/04

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  • David
    The solar wind speed has declined rather quickly since it s spike at over 900 km/sec a few days ago as the Earth is exiting a high speed coronal hole solar
    Message 1 of 1 , Mar 31, 2004
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      The solar wind speed has declined rather quickly since it's spike at
      over 900 km/sec a few days ago as the Earth is exiting a high speed
      coronal hole solar wind stream. Geomagnetic activity is expected to
      be quiet over the next several days. Sunspot region 582, while not
      generating any significant flares, has fired off several C-class
      flares, including one very long duration event. Long duration events
      are usually more likely to generate a CME, although I haven't seen one
      mentioned anywhere yet. There are three numbered sunspot regions visible.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 95
      SFI : 121
      A index : 10
      K index : 1

      Solar wind speed : 438.0 km/sec
      Solar wind density : 2.7 protons/cc
      Solar wind pressure : 0.9 nPa

      IMF : 4.3 nT
      IMF Orientation : 0.3 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. Region 582
      remains capable of producing M-class flares.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be at predominantly quiet levels
      with periods of unsettled conditions are anticipated throughout the
      period.

      Recent significant solar flare activity :
      None
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