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 22 Feb 2025 17:00 UT)
Approximate Start of disturbance : 10:53UT 20 Feb 2025 Approximate Peak of disturbance : 10:56UT 20 Feb 2025 Approximate End of disturbance : 11:10UT 20 Feb 2025 Maximum S4 Index : 1.00000 Eightieth percentile of S4 during disturbance : 0.953980 Observed at Sites : Weipa View Details at the WDC Approximate Start of disturbance : 13:31UT 17 Feb 2025 Approximate Peak of disturbance : 14:10UT 17 Feb 2025 Approximate End of disturbance : 15:20UT 17 Feb 2025 Maximum S4 Index : 0.833620 Eightieth percentile of S4 during disturbance : 0.654887 Observed at Sites : Darwin View Details at the WDC Approximate Start of disturbance : 14:52UT 06 Feb 2025 Approximate Peak of disturbance : 15:38UT 06 Feb 2025 Approximate End of disturbance : 15:50UT 06 Feb 2025 Maximum S4 Index : 1.00000 Eightieth percentile of S4 during disturbance : 0.663160 Observed at Sites : Darwin View Details at the WDC Approximate Start of disturbance : 15:47UT 04 Feb 2025 Approximate Peak of disturbance : 16:01UT 04 Feb 2025 Approximate End of disturbance : 16:06UT 04 Feb 2025 Maximum S4 Index : 0.834440 Eightieth percentile of S4 during disturbance : 0.749540 Observed at Sites : Darwin View Details at the WDC Approximate Start of disturbance : 13:24UT 20 Jan 2025 Approximate Peak of disturbance : 16:06UT 20 Jan 2025 Approximate End of disturbance : 16:10UT 20 Jan 2025 Maximum S4 Index : 0.984540 Eightieth percentile of S4 during disturbance : 0.686150 Observed at Sites : Darwin Weipa View Details at the WDC
