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magnetic storm |
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magnetic stormIn meteorology, a sudden disturbance affecting the Earth's magnetic field, causing anomalies in radio transmissions and magnetic compasses. It is probably caused by sunspot activity. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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For example, consider what happens when utility managers don't have enough time to prepare for a major geomagnetic storm caused by solar flares. March 13, 1989: A geomagnetic storm resulted in a nine-hour blackout, affecting 6 million Hydro Quebec customers. In March 1989, fallout from a solar flare caused the largest geomagnetic storm in 30 years. |
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