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Solar Activity Report for 4/13/03

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  • David
    The Earth is drifting out of a high speed solar wind stream that pushed the solar wind speeds close to the 700 km/sec mark over the weekend. Since this most
    Message 1 of 2 , Apr 13 9:11 PM
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      The Earth is drifting out of a high speed solar wind stream that
      pushed the solar wind speeds close to the 700 km/sec mark over the
      weekend. Since this most recent sigh speed solar wind encounter
      started back on the 8th, aurora have been seen and photographed as far
      south as Michigan. See this link for some really nice aurora pictures
      from Alaska, Canada, and the northern US :
      http://science.nasa.gov/spaceweather/aurora/gallery_01apr03.html .
      While the solar wind speed is still over the 500 km/sec, it would
      appear that the geomagnetic activity is over for the time being. Stay
      tuned, however, as more action is on the way. A large coronal hole is
      not in an Earth-pointing position, and more high speed solar wind
      gusts should be on the way. Look for them to arrive on or about the
      15th. Maybe income tax day will be made slightly more palatable by
      some aurora displays! On the sunspot and flare fronts, not much is
      happening at present. There are three numbered sunspot regions
      visible, but none appear to be capable of generating a significant
      flare for the time being.

      The current solar and geomagnetic conditions are :

      NOAA sunspot number : 61
      SFI : 102
      A index : 11
      K index : 2

      Solar wind speed : 509.6 km/sec
      Solar wind density : 3.5 protons/cc
      Solar wind pressure : 1.5 nPa

      IMF : 7.5 nT
      IMF Orientation : 0.9 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 be very low to low. There is a fair
      chance for additional isolated C-class flare events during the next
      three days.

      Geomagnetic activity forecast :
      The geomagnetic field is expected to be generally unsettled for the
      next three days, with a chance for some isolated active periods. A
      coronal hole will be rotating to a favorable position sometime between
      15 and 17 April and is expected to produce an increase in geomagnetic
      activity levels.

      Recent significant solar flare activity :
      None
    • Mike Doran
      In the W. Pac that TS really blew up w/ this EMF event. ... far ... pictures ... Stay ... is ... between ... geomagnetic
      Message 2 of 2 , Apr 15 1:14 AM
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        In the W. Pac that TS really blew up w/ this EMF event.


        --- In methanehydrateclub@yahoogroups.com, "David" <b1blancer1@e...>
        wrote:
        > The Earth is drifting out of a high speed solar wind stream that
        > pushed the solar wind speeds close to the 700 km/sec mark over the
        > weekend. Since this most recent sigh speed solar wind encounter
        > started back on the 8th, aurora have been seen and photographed as
        far
        > south as Michigan. See this link for some really nice aurora
        pictures
        > from Alaska, Canada, and the northern US :
        > http://science.nasa.gov/spaceweather/aurora/gallery_01apr03.html .
        > While the solar wind speed is still over the 500 km/sec, it would
        > appear that the geomagnetic activity is over for the time being.
        Stay
        > tuned, however, as more action is on the way. A large coronal hole
        is
        > not in an Earth-pointing position, and more high speed solar wind
        > gusts should be on the way. Look for them to arrive on or about the
        > 15th. Maybe income tax day will be made slightly more palatable by
        > some aurora displays! On the sunspot and flare fronts, not much is
        > happening at present. There are three numbered sunspot regions
        > visible, but none appear to be capable of generating a significant
        > flare for the time being.
        >
        > The current solar and geomagnetic conditions are :
        >
        > NOAA sunspot number : 61
        > SFI : 102
        > A index : 11
        > K index : 2
        >
        > Solar wind speed : 509.6 km/sec
        > Solar wind density : 3.5 protons/cc
        > Solar wind pressure : 1.5 nPa
        >
        > IMF : 7.5 nT
        > IMF Orientation : 0.9 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 be very low to low. There is a fair
        > chance for additional isolated C-class flare events during the next
        > three days.
        >
        > Geomagnetic activity forecast :
        > The geomagnetic field is expected to be generally unsettled for the
        > next three days, with a chance for some isolated active periods. A
        > coronal hole will be rotating to a favorable position sometime
        between
        > 15 and 17 April and is expected to produce an increase in
        geomagnetic
        > activity levels.
        >
        > Recent significant solar flare activity :
        > None
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