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Solar Activity Report for 9/17/04

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  • David
    ** G-2 Geomagnetic Storm In Progress ** ** Aurora Watch In Effect ** The geomagnetic field has been active over the last couple of days from the most recent
    Message 1 of 1 , Sep 17, 2004
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      ** G-2 Geomagnetic Storm In Progress **
      ** Aurora Watch In Effect **

      The geomagnetic field has been active over the last couple of days
      from the most recent round of CME impacts. The solar activity itself
      has settled down, however, and the geomagnetic activity level should
      soon follow suit. Sunspot regions 672 and newly appeared 673 have at
      least an outside chance of producing an M-class flare. In the mean
      time, keep an eye our for aurora, especially in the higher latitudes.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 76
      SFI : 105
      A index : 23
      K index : 6

      Solar wind speed : 468.6 km/sec
      Solar wind density : 3.6 protons/cc
      Solar wind pressure : 1.4 nPa

      IMF : 4.9 nT
      IMF Orientation : 3.0 nT North

      GOES-12 Background X-ray Flux level : B1

      Conditions for the last 24 hours :
      Space weather for the past 24 hours has been minor. Geomagnetic storms
      reaching the G1 level occurred.

      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 be very low to low. Regions 672 (N05W29)
      and 673 are capable of C-class flares.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be quiet to unsettled.

      Recent significant solar flare activity :
      None
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