Geomagnetic Activity Overview 2020-08-31/10:00 - 14:00 UT Substorm, max AE ~1800 nT. DST much lower than usual, min -67nT 2020-08-31/15:00 - 18:00 UT AE/AL Activation, max AE ~750 nT 2020-08-31/19:00 - 22:00 UT Substorm, max AE ~750 nT 2020-09-01/02:00 - 11:00 UT Periodic Activations, max AE ~800 nT 2020-09-01/11:00 - 13:00 UT AE/AL Activation, max AE ~900 nT 2020-09-01/14:00 - 19:00 UT Periodic AE/AL Activation, max AE ~900 nT, min AE ~300 nT. Sawtooth-like Activations. 2020-09-01/22:00 - 2020-09-02/03:00 UT Steady AE/AL Activation, min AE ~250 nT 2020-09-02/04:00 - 06:00 UT DST Change -63 to -50 nT 2020-09-02/06:00 - 15:00 UT Periodic AE/AL Activations, min AE ~250 nT, max AE ~750 nT (right before 11:00 UT) 2020-09-04/10:00 - 12:00 UT DST Change -35 to -52 nT 2020-09-04/09:00 - 21:00 UT Periodic AE/AL Activations. AE > 300 nT, max AE ~900nT 2020-09-05/07:00 - 13:00 UT AE/AL Activation, max AE ~900 nT ----------------------------------------- Science Notes on ELFIN Data EL-A 2020-08-31/02:08 - 2020-08-31/02:10 North Descending Increased Flux 2020-08-31/06:51 - 2020-08-31/06:54 North Descending Increased Flux 2020-08-31/08:26 - 2020-08-31/08:27 North Descending Increased Flux 2020-08-31/13:02 - 2020-08-31/13:06 North Descending Increased Flux 2020-08-31/14:36 - 2020-08-31/14:39 North Descending Increased Flux 2020-08-31/17:42 - 2020-08-31/17:44 North Descending Increased Flux 2020-09-01/01:30 - 2020-09-01/01:32 North Descending Increased Flux 2020-09-01/03:05 - 2020-09-01/03:07 North Descending Increased Flux 2020-09-01/07:47 - 2020-09-01/07:51 North Descending Increased Flux 2020-09-01/10:53 - 2020-09-01/10:56 North Descending Increased Flux 2020-09-01/12:25 - 2020-09-01/12:28 North Descending Increased Flux 2020-09-01/13:58 - 2020-09-01/14:02 North Descending Increased Flux 2020-09-01/20:12 - 2020-09-01/20:15 North Descending Increased Flux 2020-09-01/23:20 - 2020-09-01/23:22 North Descending Increased Flux 2020-09-02/02:26 - 2020-09-02/02:29 North Descending Increased Flux 2020-09-02/11:48 - 2020-09-02/11:51 North Descending Increased Flux 2020-09-02/14:53 - 2020-09-02/14:56 North Descending Increased Flux 2020-09-03/08:06 - 2020-09-03/08:10 North Descending Increased Flux 2020-09-03/11:11 - 2020-09-03/11:15 North Descending Increased Flux 2020-09-03/12:44 - 2020-09-03/12:48 North Descending Increased Flux 2020-09-03/14:20 - 2020-09-03/14:18 North Descending Increased Flux 2020-09-04/01:11 - 2020-09-04/01:15 North Descending Increased Flux 2020-09-04/02:46 - 2020-09-04/02:48 North Descending Increased Flux 2020-09-04/19:53 - 2020-09-04/19:56 North Descending Increased Flux 2020-09-04/23:00 - 2020-09-04/23:02 North Descending Increased Flux 2020-09-05/06:52 - 2020-09-05/06:54 North Descending Increased Flux 2020-09-05/11:29 - 2020-09-05/11:32 North Descending Increased Flux 2020-09-05/13:02 - 2020-09-05/13:05 North Descending Increased Flux 2020-09-06/01:30 - 2020-09-06/01:33 North Descending Increased Flux 2020-09-06/07:48 - 2020-09-06/07:50 North Descending Increased Flux 2020-09-06/10:53 - 2020-09-06/10:56 North Descending Increased Flux 2020-09-06/12:25 - 2020-09-06/12:28 North Descending Increased Flux 2020-09-06/13:58 - 2020-09-06/14:01 North Descending Increased Flux 2020-09-06/20:12 - 2020-09-06/20:13 North Descending Increased Flux 2020-09-06/23:19 - 2020-09-06/23:21 North Descending Increased Flux EL-B 2020-09-02/01:53 - 2020-09-02/01:55 North Descending Increased Flux 2020-09-02/08:11 - 2020-09-02/08:13 North Descending Increased Flux 2020-09-02/11:14 - 2020-09-02/11:18 North Descending Increased Flux 2020-09-02/12:47 - 2020-09-02/12:51 North Descending Increased Flux 2020-09-02/14:21 - 2020-09-02/14:24 North Descending Increased Flux 2020-09-02/17:28 - 2020-09-02/17:29 North Descending Possibly Increased Flux 2020-09-04/02:12 - 2020-09-04/02:14 North Descending Increased Flux 2020-09-04/13:06 - 2020-09-04/13:08 North Descending Increased Flux 2020-09-04/14:38 - 2020-09-04/14:41 North Descending Increased Flux 2020-09-05/07:52 - 2020-09-05/07:55 North Descending Increased Flux 2020-09-05/10:57 - 2020-09-05/10:59 North Descending Increased Flux 2020-09-05/12:30 - 2020-09-05/12:32 North Descending Increased Flux 2020-09-05/14:02 - 2020-09-05/14:06 North Descending Increased Flux 2020-09-06/02:32 - 2020-09-06/02:33 North Descending Increased Flux ------------------------------------------------------ Data collection (current status) EL-A 2020-08-31 6 SZ North Descending 2020-09-01 8 SZ North Descending 2020-09-02 6 SZ North Descending 2020-09-03 6 SZ North Descending 2020-09-04 6 SZ North Descending 2020-09-05 5 SZ North Descending 2020-09-06 7 SZ North Descending Comments 2020-08-31/02:06:13 2020-08-31/02:12:14 North Descending Intermittent Data Gaps 2020-08-31/17:39:34 2020-08-31/17:45:35 North Descending Intermittent Data Gaps 2020-09-01/07:45:49 2020-09-01/07:51:51 North Descending Intermittent Data Gaps 2020-09-01/12:23:46 2020-09-01/12:29:42 North Descending Data Gap 2020-09-01/20:09:17 2020-09-01/20:14:54 North Descending Data Gap 2020-09-01/23:16:06 2020-09-01/23:22:09 North Descending Data Gap 2020-09-02/00:50:50 2020-09-02/00:56:16 North Descending Intermittent Gaps, very incomplete 2020-09-02/02:25:29 2020-09-02/02:31:20 North Descending Intermittent Gaps, very incomplete 2020-09-02/11:46:43 2020-09-02/11:52:46 North Descending Intermittent Gaps, very incomplete 2020-09-02/14:52:03 2020-09-02/14:56:43 North Descending Intermittent Data Gaps 2020-09-04/02:44:17 2020-09-04/02:50:20 North Descending Data Gap 2020-09-04/12:05:05 2020-09-04/12:11:06 North Descending Data Gap 2020-09-04/13:37:41 2020-09-04/13:43:34 North Descending Data Gap 2020-09-04/19:50:10 2020-09-04/19:56:08 North Descending Intermittent Gaps 2020-09-04/22:57:15 2020-09-04/23:03:16 North Descending Intermittent Data Gaps 2020-09-06/12:23:25 2020-09-06/12:29:30 North Descending Small Gap 2020-09-06/20:08:38 2020-09-06/20:14:43 North Descending Low counts first half 2020-09-06/23:15:53 2020-09-06/23:21:57 North Descending Low counts first half EL-B 2020-08-31 0 SZ North Descending 2020-09-01 0 SZ North Descending 2020-09-02 7 SZ North Descending 2020-09-03 0 SZ North Descending 2020-09-04 4 SZ North Descending 2020-09-05 8 SZ North Descending 2020-09-06 6 SZ North Descending Comments 2020-09-02/01:51:13 2020-09-02/01:57:14 North Descending Data Gap 2020-09-02/08:08:20 2020-09-02/08:14:13 North Descending Data Gap 2020-09-02/11:13:51 2020-09-02/11:19:41 North Descending Intermittent Data Gaps 2020-09-02/14:19:09 2020-09-02/14:24:51 North Descending Intermittent Data Gaps 2020-09-02/17:25:20 2020-09-02/17:30:56 North Descending Intermittent Data Gaps 2020-09-02/23:39:01 2020-09-02/23:45:00 North Descending Data Gap 2020-09-04/00:35:47 2020-09-04/00:41:50 North Descending Small Gap 2020-09-04/13:04:57 2020-09-04/13:11:03 North Descending Intermittent Data Gaps, Low Counts Beginning 2020-09-05/01:32:53 2020-09-05/01:38:53 North Descending Low counts beginning and end 2020-09-05/06:16:45 2020-09-05/06:22:48 North Descending Intermittent Data Gaps 2020-09-05/12:28:01 2020-09-05/12:34:05 North Descending Intermittent Data Gaps