Monday, February 18th 2013, 6:35 AM EST
As a rule of thumb we would normally see these major solar events coincide in "R4+" periods, the question is has the Sun not played to the rules set out by Piers Corbyn or will the "most intense Solar Flare of the Year" have little or no effect. Those of you who follow these reports would point out that these solar events depend on a "Earth facing" coronal hole to influence our climate. This then can be regarded as a good case study....a major solar event in a R2 period and also with a "Earth facing" coronal hole!
I note from the Spaceweather.com article that....Coronagraph images from SOHO and the twin STEREO probes show that this explosion did not produce a coronal mass ejection (CME). Nevertheless, there were some Earth-effects. UV radiation from the flare produced a wave of ionization in Earth's upper atmosphere
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