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Post by StuartG on Sept 19, 2011 20:09:59 GMT 1
. . NZ Herald "Thunderstorm lights up northern skies" By Amelia Wade 9:00 PM Monday Sep 19, 2011 "Dark skies were pierced by more than 11,000 lightning strikes in the upper North Island today during one of the most impressive thunderstorms in more than four years. ..." www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=10752935Comment: "A coronal mass ejection (CME) hit Earth's magnetic field on Sept 17th, sparking a moderate geomagnetic storm (Kp=6) and auroras around the Arctic Circle." I wonder if this started the thunder storms? In 2007, end of September/October NZ had many lightning storms, at the same time many Auroras were reported, as "Two large and active prominences [solar]" were seen. StuartG
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