Please Note:The Bureau of Meteorology is reviewing content on this website to ensure we continue to deliver timely and relevant space weather information to customers. The information on this page will be retired after 17 October 2026. From this date, please use the Ionospheric Scintillation tab of the SWS website or the World Data Centre as an alternative source of similar information. If you have any concerns about this change, contact us by completing this form or emailing us at space@bom.gov.au.
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 2026 08:10 UT)
Approximate Start of disturbance : 07:52UT 04 Oct 2026 Approximate Peak of disturbance : 08:15UT 04 Oct 2026 Approximate End of disturbance : 08:20UT 04 Oct 2026 Maximum S4 Index : 0.638260 Eightieth percentile of S4 during disturbance : 0.549400 Observed at Sites : Niue View Details at the WDC Approximate Start of disturbance : 10:52UT 02 Oct 2026 Approximate Peak of disturbance : 10:58UT 02 Oct 2026 Approximate End of disturbance : 11:10UT 02 Oct 2026 Maximum S4 Index : 0.939760 Eightieth percentile of S4 during disturbance : 0.839690 Observed at Sites : Niue View Details at the WDC Approximate Start of disturbance : 14:04UT 29 Sep 2026 Approximate Peak of disturbance : 14:09UT 29 Sep 2026 Approximate End of disturbance : 14:20UT 29 Sep 2026 Maximum S4 Index : 0.728160 Eightieth percentile of S4 during disturbance : 0.627690 Observed at Sites : Darwin View Details at the WDC Approximate Start of disturbance : 13:51UT 22 Sep 2026 Approximate Peak of disturbance : 14:31UT 22 Sep 2026 Approximate End of disturbance : 14:50UT 22 Sep 2026 Maximum S4 Index : 0.923060 Eightieth percentile of S4 during disturbance : 0.607693 Observed at Sites : Darwin Weipa View Details at the WDC Approximate Start of disturbance : 14:29UT 10 Sep 2026 Approximate Peak of disturbance : 14:33UT 10 Sep 2026 Approximate End of disturbance : 14:44UT 10 Sep 2026 Maximum S4 Index : 0.767190 Eightieth percentile of S4 during disturbance : 0.560920 Observed at Sites : Darwin View Details at the WDC
