Recent Scintillation Events

The following is a list of recent periods of high and sustained ionospheric scintillation as detected in the ASWFC scintillation monitor network. Note that these are auto-detected and not manually quality controlled.

ASWFC provides a free email alert service which notifies subscribers of scintillation events as they occur. To subscribe to this service, please visit the Ionospheric Scintillation alert page.

To see the raw data for these events in more detail, please look up the relevant locations and times at the World Data Centre ionospheric scintillation page.

Please contact ASWFC if you have any questions about these events or have any feedback regarding ionospheric scintillation services.

(last updated 05 Oct 2023 00:40 UT)

Approximate Start of disturbance : 12:38UT 12 Sep 2023 Approximate Peak of disturbance : 12:39UT 12 Sep 2023 Approximate End of disturbance : 12:59UT 12 Sep 2023 Maximum S4 Index : 0.973530 Eightieth percentile of S4 during disturbance : 0.742440 Observed at Sites : Weipa View Details at the WDC Approximate Start of disturbance : 07:17UT 11 Sep 2023 Approximate Peak of disturbance : 07:26UT 11 Sep 2023 Approximate End of disturbance : 07:40UT 11 Sep 2023 Maximum S4 Index : 1.00000 Eightieth percentile of S4 during disturbance : 0.949480 Observed at Sites : Niue View Details at the WDC Approximate Start of disturbance : 09:51UT 08 Sep 2023 Approximate Peak of disturbance : 09:51UT 08 Sep 2023 Approximate End of disturbance : 10:10UT 08 Sep 2023 Maximum S4 Index : 0.878850 Eightieth percentile of S4 during disturbance : 0.731430 Observed at Sites : Niue View Details at the WDC Approximate Start of disturbance : 07:33UT 07 Sep 2023 Approximate Peak of disturbance : 11:08UT 07 Sep 2023 Approximate End of disturbance : 11:35UT 07 Sep 2023 Maximum S4 Index : 1.00000 Eightieth percentile of S4 during disturbance : 0.791680 Observed at Sites : Niue View Details at the WDC Approximate Start of disturbance : 07:41UT 06 Sep 2023 Approximate Peak of disturbance : 08:23UT 06 Sep 2023 Approximate End of disturbance : 11:12UT 06 Sep 2023 Maximum S4 Index : 1.00000 Eightieth percentile of S4 during disturbance : 0.793554 Observed at Sites : Niue View Details at the WDC