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Re: Solar Activity Report for 4/13/03

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  • Mike Doran
    In the W. Pac that TS really blew up w/ this EMF event. ... far ... pictures ... Stay ... is ... between ... geomagnetic
    Message 1 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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