The event on 15–16 July 2000 (event #2). Top panel: Magnetic disturbance, H _obs, at the six mid-latitude observatories (in colors) and the average of the disturbance, 〈H _i 〉 (in black); Second panel: 〈H _i 〉 (in black), SYM-H index (in cyan) and ASY-H index (in dark gray); Third panel: Positive (red) and Negative (blue) Residual Envelopes; Bottom panel: Residual range obtained as the difference between the Positive and Negative Residual Envelopes. Grey dashed line marks the SSC in the period plotted.