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Solar Activity Report for 11/25/03

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  • David
    For the first time in over a month, there really isn t much to report tonight. It seems like it s been forever since Oct 19, when sunspot region 484 fired off
    Message 1 of 1 , Nov 25, 2003
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      For the first time in over a month, there really isn't much to report
      tonight. It seems like it's been forever since Oct 19, when sunspot
      region 484 fired off its first M-class flare. The rest, as they say,
      is history. By the way, if you haven't had a chance to check out the
      aurora gallery, I would highly recomment it. It can be found here :
      http://science.nasa.gov/spaceweather/aurora/gallery_01nov03_page7.html
      . It's not often that you're going to see aurora pictures from places
      like Texas, New Mexico, Arizona, and Alabama. But, getting back to
      the current situation, the Earth is still inside of a coronal hole
      high speed solar wind stream, which should be the case though
      tomorrow. After that, we should see the solar wind speed begin to
      drop. Of the major sunspot regions that are now in view, sunspot
      region 508, formerly 488, is the largest, and while it has been quiet
      for several days now, still has the potential for generating a
      significant flare.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 202
      SFI : 171
      A index : 14
      K index : 1

      Solar wind speed : 550.8 km/sec
      Solar wind density : 1.6 protons/cc
      Solar wind pressure : 1.1 nPa

      IMF : 5.5 nT
      IMF Orientation : 5.0 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 :
      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 low to moderate. Regions 507 and 508,
      though relatively quiet over the past several days, still maintain
      potential for isolated M-class activity.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be quiet to active with isolated
      minor storm periods at high latitudes. The most disturbed periods are
      expected on 26 November due to high speed coronal hole flow. Mostly
      quiet to unsettled conditions are expected on 27 and 28 November, with
      occasional high latitude active periods.

      Recent sinificant solar flare activity :
      None
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