Contact: iono@oma.be

Event: 2016-10-13

SUMMARY OF THE EVENT: A major increase of the ionospheric VTEC occured the 13th of October associated with the arrival of the CME of the 9th of October. Above Brussels, there was up to +27 TECu (260%) of differences with respect to the median of the last 15 days. The event last all day long and continued at night in the north with ionospheric TEC instabilities.

VTEC Time Series

Figure 1: VTEC Time Series

VTEC point locations

Figure 2: VTEC extracting locations

Figure 1 shows the time evolution of the Vertical Total Electron Content (VTEC) (in red) extracted from the near-real time VTEC maps at 3 different latitudes (Figure 2): a) Northern part (top), b) Brussels (middle) and c) Southern part (bottom). Also shown, the model based on the median from the 15 previous days (in grey).

About this event, see also:

  • Comparisons with the median of the last 15 days: here
  • about the origin of the ionospheric disturbances: www.sidc.be
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