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Solar Activit Report for 1/29/03

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  • David
    There s not an aurora watch in effect right now, but don t be surprised to see one tomorrow or Saturday. A fair-sized coronal hole has rotated into an
    Message 1 of 1 , Jan 29, 2004
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      There's not an aurora watch in effect right now, but don't be
      surprised to see one tomorrow or Saturday. A fair-sized coronal hole
      has rotated into an Earth-pointing position, and we should start
      picking up the solar wind gusts from it Friday or Saturday. After a
      couple of days with a zero sunspot number, two sunspot regions are
      beginning to rotate into view. One of them is sunspot region 536
      coming around for another pass. You might remember that this was a
      fairly active sunspot region the last time by, and the background
      X-ray flux has risen sharply within the last 24 hours. Stay tuned to
      see if there is any flare potential coming up.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 25
      SFI : 87
      A index : 8
      K index : 2

      Solar wind speed : 474.2 km/sec
      Solar wind density : 4.2 protons/cc
      Solar wind pressure : 3.0 nPa

      IMF : 13.5 nT
      IMF Orientation : 2.9 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 :
      No space weather storms are expected for the next 24 hours.

      Solar activity forecast :
      Solar activity is expected to remain very low.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be quiet to unsettled for the
      next 24 to 48 hours. Activity levels may increase by 31 January due to
      expected coronal hole effects.

      Recent significant solar flaer activity :
      None
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