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Niezwykle silne burze pogody kosmicznej : zorze polarne nad Polską

Bojanowska M.

Przegląd Geofizyczny

2005

Z. 3-4

219-227

The October-November 2003 geomagnetic storm has been regarded as the third most powerful event on record. The series of solar flares and coronal mass ejections that occurred between October 26 and November 20, 2003 had extraordinary effects on Earth's upper atmospheric and space environments for example aurora at middle and low latitudes. A set of comprehensive data has been collected both from space and from ground to study this event. A brief overview of these observations has been presented. Many effects of this solar storm has been also presented. This paper tries to answer the question what was the source of aurora observed at low- and middle- latitude. The comparision of Timed satellite's measurements and results from Weimer's model of electric potential in the ionosphere suggests that not ring current but highly displaced auroral oval could be the source.