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  Kelly Lightchalice August 5, 2011 at 4:05pm

  LOL, this is great, I watched this happen yesterday :)  Here is some info about what we can expect.  Thanks, Hedoknight- I keep a close eye on SOHO :)

  Product: Geophysical Alert Message wwv.txt
  :Issued: 2011 Aug 04 1805 UTC
  # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
  #
  # Geophysical Alert Message
  #
  Solar-terrestrial indices for 03 August follow.
  Solar flux 120 and mid-latitude A-index 4.
  The mid-latitude K-index at 1800 UTC on 04 August was 2 (18 nT).
  
  Space weather for the past 24 hours has been moderate.
  Solar radiation storms reaching the S1 level occurred.
  Radio blackouts reaching the R2 level occurred.
  
  Space weather for the next 24 hours is predicted to be strong.
  Geomagnetic storms reaching the G3 level are likely.
  Solar radiation storms reaching the S2 level are expected.
  Radio blackouts reaching the R1 level are expected.
  
  http://www.swpc.noaa.gov/ftpdir/latest/wwv.txt
  http://www.swpc.noaa.gov/NOAAscales/index.html

   

  G 3

  Strong

  Power systems: voltage corrections may be required, false alarms triggered on some protection devices. Spacecraft operations: surface charging may occur on satellite components, drag may increase on low-Earth-orbit satellites, and corrections may be needed for orientation problems. Other systems: intermittent satellite navigation and low-frequency radio navigation problems may occur, HF radio may be intermittent, and aurora has been seen as low as Illinois and Oregon (typically 50° geomagnetic lat.)**.

  Kp = 7

  200 per cycle (130 days per cycle)

  S 2

  Moderate

  Biological: passengers and crew in high-flying aircraft at high latitudes may be exposed to elevated radiation risk.*** Satellite operations: infrequent single-event upsets possible. Other systems: small effects on HF propagation through the polar regions and navigation at polar cap locations possibly affected.

  102

  25 per cycle