Nate Holt's Blog

July 5, 2009

Solar Storm – Dec 7, Dec 14 2006

Filed under: Musings — nateholt @ 9:55 am

(note: this originally appeared in December 2006 on the old blog)

My phone went momentarily dead this morning. I was thinking “sunspots” as a joke… but who knows…!

Here’s today’s lead headline on this site:

RADIATION STORM: A radiation storm is underway. Based on the energy and number of solar protons streaming past Earth, NOAA ranks the storm as category S3: satellites may experience single-event upsets and astronauts should practice “radiation avoidance.”

The rush of protons may be a sign of an approaching CME (coronal mass ejection). Protons are accelerated in shock waves at the leading-edge of CMEs, so when the proton count rises, we can guess that a CME is en route. Northern sky watchers should remain alert for auroras, which could flare up if and when a CME arrives.


This is interesting stuff.


UPDATE: here is comparision between Wednesday evening and Thursday evening:

Wednesday, Dec 13, 2006


Thursday, Dec 14, 2006




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