Table 1
Details of the SSSs identified during the May 2024 superstorm.
| SSS number | Onseta (date UT) | SSS peak |
Delayb (h) | Storm phasec | |
|---|---|---|---|---|---|
| SML intensity (nT) | Time (date UT) | ||||
| SSS 1 | 10 May 19:07 | −3639 | 10 May 19:18 | −6.92 | MP |
| SSS 2 | 10 May 19:34 | −4456 | 10 May 19:48 | −6.42 | MP |
| SSS 3 | 11 May 08:49 | −3497 | 11 May 09:00 | +6.77 | RP |
| SSS 4 | 11 May 09:31 | −3432 | 11 May 09:47 | +7.57 | RP |
| SSS 5 | 11 May 12:20 | −2637 | 11 May 12:45 | +10.52 | RP |
| SSS 6 | 11 May 12:58 | −2786 | 11 May 13:32 | +11.30 | RP |
Notes. a Onset refers to the SSS expansion phase onset time determined from the sharp decrease in the SML index. b Delay is estimated from the occurrence time of the geomagnetic storm SYM-H peak = −518 nT to the SSS SML peak time. c MP and RP refer to the geomagnetic storm main phase and recovery phase, respectively.
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