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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
      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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