Today on Earth the small geomagnetic storm is expected

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Predictors of NOAA estimate at 40% probability of insignificant geomagnetic storms on Friday, November 4 when the stream of solar wind, as expected, affects magnetic field of Earth.

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It won’t be the main and powerful stream of solar wind as that which has switched on bright light in the sky within the last week of October. Nevertheless, the Arctic observers have to be on the alert for shine on Friday and Saturday.

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