Contact: iono@oma.be

Event: 2014-08-27

SUMMARY OF THE EVENT: An increase of the ionospheric TEC was observed above Europe the 27th of August (up to +30 TECu in the South at noon). According to the SIDC, these disturbances are linked with two CMEs which occured the 22nd of August.

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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