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Solar Activity Report for 6/20/04

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  • David
    All remains quiet, despite the continued presence the large sunspot regions 634 and 635. Both of them look to have the sort of magnetic complexity that could
    Message 1 of 1 , Jun 20, 2004
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      All remains quiet, despite the continued presence the large sunspot
      regions 634 and 635. Both of them look to have the sort of magnetic
      complexity that could generate an M-class flare, but nothing yet.
      With no substantial coronal holes visible, things should remain calm
      for the next several days unless there is a significant flare.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 142
      SFI : 119
      A index : 3
      K index : 1

      Solar wind speed : 393.3 km/sec
      Solar wind density : 3.1 protons/cc
      Solar wind pressure : 0.8 nPa

      IMF : 3.5 nT
      IMF Orientation : 2.2 nT South

      GOES-12 Background X-ray Flux level : B2

      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. Regions
      634 and 635 are capable of producing M-class flare activity.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be at quiet to unsettled levels
      throughout the forecast period.

      Recent significant solar flare activity :
      None
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