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Solar Activity Report for 3/3/02

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  • b1blancer_29501
    ** Aurora Watch In Effect ** It is projected that the Earth will enter a high speed solar wind stream within the next 36 hours, and an aurora watcj has been
    Message 1 of 1 , Mar 3, 2002
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      ** Aurora Watch In Effect **

      It is projected that the Earth will enter a high speed solar wind
      stream within the next 36 hours, and an aurora watcj has been issued.
      The cause of the high speed stream is a large coronal hole that is
      now straddling the sun's central meridian, and pointing squarely at
      Earth. Minor geomegnetic storm conditions are possible. Skywatchers
      in northern Europe, Canada, and the northern tier of the US should
      keep an eye out for aurora after local sunset on March 4th and 5th.
      Sunspot region 9845 is the only sunspot region visible right now that
      looks like it has the potential of producing an M-class flare.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 169
      SFI : 183
      A index : 12
      K index : 3

      Solar wind speed : 387.6 km/sec
      Solar wind density : 13.5 protons/cc
      Solar wind pressure : 3.3 nPa

      IMF : 15.9 nT
      IMF Orientation : 6.5 nT North

      Conditions for the last 24 hours :
      Solar activity was low. The geomagnetic field was quiet to active.
      Stratwarm Alert exists Sunday.

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

      Solar activity forecast :
      Solar activity is expected to be predominantly low, with Region 9845
      remaining a possible source of isolated moderate activity.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be at unsettled to active levels,
      with the onset of high speed stream effects from a recurrent coronal
      hole during the next 24-36 hours. Active and isolated minor storm
      conditions are expected to occur thereafter through the end of the
      forecast period.

      Recent significant solar flare activity :
      None
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