Fig. 7From: The February 24, 2010 substorm: a refined view involving a pseudobreakup/expansive phase/poleward boundary intensification sequenceComparison of observed (solid lines) and modeled (dots) magnetic field perturbations in the Churchill meridian from 4:00 to 6:00 UT on February 24, 2010. The B X component is plotted in blackand the B Z component in blue. See text for discussion. Timing barsas in Fig. 4 Back to article page