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Geomagnetic storm in progress - Kindex-5

AlaskaDenise

In Memoriam
I cannot get onto the Spaceweather.com site, or it's text version - I'll assume they're swamped. However, here is the email alert I got:
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Space Weather News for Dec. 28, 2011
http://spaceweather.com

BIG STORM ON SATURN: Got a telescope for Christmas? Point it at Saturn. A giant storm even brighter than Saturn's rings is raging through the planet's cloudtops. Amateur images and sky maps are featured on today's edition of http://spaceweather.com.

GEOMAGNETIC STORM IN PROGRESS: At the time this alert is being written (mid-day UT on Dec. 28), a polar geomagnetic storm is in progress (Kindex=5). Observers report electric currents in the ground and intensifying Northern Lights over Scandinavia. High-latitude sky watchers should be alert for auroras: http://spaceweathertext.com .

You are subscribed to the Space Weather mailing list, a free service of Spaceweather.com.

New subscribers may sign up for free space weather alerts at http://spaceweather.com/services/ .

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Re: Geomagnetic storm in progress - Kindex-5

http://science.nasa.gov/science-news/science-at-nasa/2009/21jan_severespaceweather/

Severe Space Weather--Social and Economic Impacts


(snipped)

The problem begins with the electric power grid. "Electric power is modern society's cornerstone technology on which virtually all other infrastructures and services depend," the report notes. Yet it is particularly vulnerable to bad space weather. Ground currents induced during geomagnetic storms can actually melt the copper windings of transformers at the heart of many power distribution systems. Sprawling power lines act like antennas, picking up the currents and spreading the problem over a wide area. The most famous geomagnetic power outage happened during a space storm in March 1989 when six million people in Quebec lost power for 9 hours.


(remainder of article is interesting)


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Re: Geomagnetic storm in progress - Kindex-5

spaceweather.com is working again. extracted from that site:

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GEOMAGNETIC STORM: High-latitude sky watchers should be alert for auroras. During the early hours of Dec. 28th, the sun's magnetic field near Earth tipped south, opening a crack in Earth's magnetosphere. Solar wind poured and sparked a G1-class (Kp=5) geomagnetic storm. Observers are reporting ground currents and intensifying Northern Lights in Scandinavia.

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link for ground currents goes to a page where someone from Norway (polarlight center) posted the graphs:
http://www.spaceweather.com/submiss...e=Rob-Stammes-December-28-2010_1293551700.jpg
 
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