Figure 19From: Short-term variability of the Sun-Earth system: an overview of progress made during the CAWSES-II periodThe vertical TEC above the CHAMP satellite (approximately 400-km altitude) for the 30 October 2003 magnetic storm. The blue curve is the TEC prior to the magnetic storm. The red and black traces are the overhead TEC values after storm onset. The figure is taken from Mannucci et al. (2005).Back to article page