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Solar Activity Report for 3/10/02

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  • b1blancer_29501
    Sunspot group 9866 is turning out to be an active sunspot region. It banged off a long duration M2-class flare yesterday, and launched an accompanying CME into
    Message 1 of 1 , Mar 11, 2002
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      Sunspot group 9866 is turning out to be an active sunspot region. It
      banged off a long duration M2-class flare yesterday, and launched an
      accompanying CME into space. The CME was not squarely Earth-directed,
      but there does appear to be a faint halo component to it. We could
      receive a glancing blow from the CME, possibly as early as Wednesday.
      Sunspot region 9866 now covers an area equal to 5 times Earth's
      surface, and more strong M-class flares are definitely a possibility.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 153
      SFI : 182
      A index : 11
      K index : 2

      Solar wind speed : 432.9 km/sec
      Solar wind density : 4.2 protons/cc
      Solar wind pressure : 1.2 nPa

      IMF : 11.2 nT
      IMF Orientation : 1.5 nT North

      Conditions for the last 24 hours :
      Solar activity was low. The geomagnetic field was quiet to unsettled.

      Forecast for the next 24 hours :
      Solar activity will be low to moderate. The geomagnetic field will be
      quiet to unsettled.

      Solar activity forecast :
      Solar activity is expected to be low to moderate. Region 9866 has the
      potential for M-class and major events.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be at quiet to unsettled levels.
      There is a slight chance of isolated active conditions.

      Recent significant solar flare activity :
      10-Mar-2002 2320Z M2.1
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