Skip to main content

Table 2 List of X-ray solar flares of more than M5.0 and estimated shock speed and maximum solar wind speed

From: Estimating the solar wind conditions during an extreme geomagnetic storm: a case study of the event that occurred on March 13–14, 1989

Day Start X-ray V sh (second SSC) (km/s) V max (second SSC) (km/s) V max (second SSC) (km/s)
Cliver et al. 1990 Belov et al. 2008
10 1848E X4.5 680 490 547–600
11 0829E M9.7 880 640 645–710
11 1535E X1.2 1040 760 724–798
11 1933E X1.3 1150 850 778–859
12 0016E M7.3 1320 980 906–952