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 13 May 2024 15:30 UT)

Approximate Start of disturbance : 11:39UT 11 May 2024 Approximate Peak of disturbance : 16:25UT 11 May 2024 Approximate End of disturbance : 20:40UT 11 May 2024 Maximum S4 Index : 1.00000 Eightieth percentile of S4 during disturbance : 0.692195 Observed at Sites : Darwin Niue Weipa View Details at the WDC Approximate Start of disturbance : 12:13UT 10 May 2024 Approximate Peak of disturbance : 13:21UT 10 May 2024 Approximate End of disturbance : 13:30UT 10 May 2024 Maximum S4 Index : 1.00000 Eightieth percentile of S4 during disturbance : 0.696845 Observed at Sites : Darwin Weipa View Details at the WDC Approximate Start of disturbance : 09:33UT 04 May 2024 Approximate Peak of disturbance : 09:41UT 04 May 2024 Approximate End of disturbance : 09:50UT 04 May 2024 Maximum S4 Index : 0.789900 Eightieth percentile of S4 during disturbance : 0.693310 Observed at Sites : Niue View Details at the WDC Approximate Start of disturbance : 13:20UT 03 May 2024 Approximate Peak of disturbance : 13:24UT 03 May 2024 Approximate End of disturbance : 13:40UT 03 May 2024 Maximum S4 Index : 0.908610 Eightieth percentile of S4 during disturbance : 0.763560 Observed at Sites : Darwin View Details at the WDC Approximate Start of disturbance : 08:33UT 02 May 2024 Approximate Peak of disturbance : 14:13UT 02 May 2024 Approximate End of disturbance : 14:13UT 02 May 2024 Maximum S4 Index : 0.995080 Eightieth percentile of S4 during disturbance : 0.676717 Observed at Sites : Darwin Niue View Details at the WDC