Tohban Report 07/11/21 - 07/17/21 Tohban Name: Colin Wilkins (updated [2021/7/20]) Special Notes ------------- - Inner belt collections (IBO) were not requested for this week Abbreviations used: - ORB=Outer Radiation Belt - IRB=Inner Radiation Belt - PS=Plasma Sheet - IB=Isotropic Boundary - p'xn=precipitation - LE=low-energy (~500 keV or less) - ME=medium-energy (~500 to 1000 keV) - HE=high-energy (~1 MeV or greater) - SAA=south atlantic anomaly - NS=nightside - DS=dayside Automatic report generated 2021-07-19 19:33:19.684005 (UTC) Note: data is provisional, and may be subject to change Geomagnetic Activity Overview ----------------------------- Day Hour AE (max) AE (sd) DST (min) KP (max) Notes ------------------------------------------------------ 11 0 94 15 4 0.7 ... 11 3 57 10 7 0.3 ... 11 6 75 12 5 0.3 ... 11 9 94 10 6 0.7 ... 11 12 112 14 8 0.7 ... 11 15 170 39 12 0.7 ... 11 18 147 14 5 1.0 ... 11 21 189 34 -1 1.0 ... 12 0 94 24 6 1.3 ... 12 3 94 24 10 0.3 ... 12 6 282 56 13 0.7 ... 12 9 245 42 8 0.7 ... 12 12 132 20 12 2.0 ... 12 15 754 219 13 2.3 AE activation 12 18 282 58 5 2.7 ... 12 21 319 103 3 2.3 ... 13 0 556 54 -10 2.3 ... 13 3 342 104 -10 1.0 ... 13 6 94 22 -6 0.7 ... 13 9 113 19 -1 0.7 ... 13 12 245 44 1 1.0 ... 13 15 150 29 1 0.3 ... 13 18 189 39 -5 1.0 ... 13 21 317 66 -8 1.3 ... 14 0 94 18 0 0.0 ... 14 3 170 51 -1 0.7 ... 14 6 245 32 -1 1.0 ... 14 9 445 109 5 2.3 ... 14 12 509 104 13 3.3 Sudden storm commencement 14 15 1302 299 -3 4.3 Storm main phase 14 18 1287 173 -36 4.0 Storm main phase 14 21 566 157 -35 3.0 Storm main phase 15 0 318 39 -32 2.0 Storm main phase; begin recovery 15 3 716 131 -22 2.3 ... 15 6 664 112 -18 2.0 ... 15 9 537 67 -18 2.3 ... 15 12 449 113 -10 2.3 ... 15 15 321 80 -8 2.0 ... 15 18 502 64 -22 3.0 Minor storm-like disturbance 15 21 415 67 -22 2.7 ... 16 0 340 103 -18 1.7 ... 16 3 131 26 -11 0.3 ... 16 6 75 11 -7 0.3 ... 16 9 75 15 -5 0.3 ... 16 12 245 57 -4 0.3 ... 16 15 189 34 -3 0.7 ... 16 18 224 52 -2 1.7 ... 16 21 94 21 -1 0.7 ... 17 0 280 55 -8 1.3 ... 17 3 149 27 -8 0.7 ... 17 6 149 25 0 0.3 ... 17 9 208 46 -1 0.7 ... 17 12 129 17 -1 1.0 ... 17 15 225 34 6 1.7 ... 17 18 226 49 2 0.7 ... 17 21 57 11 7 0.3 ... ELFIN Data Collection and Notes ------------------------------- Flags: * = Extremely Interesting # = Potentially Interesting G = Too many gaps, need more data to judge B = Bad data [indicates something wrong with instruments, not availability status] T = Test data [indicates data is no good for science, elaborate on test conditions in notes] Zones: NA: North Ascending ND: North Descending SD: South Descending SA: South Ascending ELFIN A Outer EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes --------------------------------------------------------------------------------------------------------------- 2021-07-11 01:36:06 - 01:42:07 ND No significant gaps 128/128 = 100% # Low-energy precipitation ("prxn") across much of the ORB 2021-07-11 05:27:47 - 05:33:46 SA 1 large gap, mainly in beginning 120/128 = 94% ... Possible IB 2021-07-11 08:33:50 - 08:39:52 SA 1 large gap, mainly in middle 109/129 = 84% ... Possible IB 2021-07-11 10:07:04 - 10:13:04 SA 2 large gaps, mainly in middle 93/128 = 73% G ... 2021-07-11 11:40:33 - 11:46:37 SA No significant gaps 130/130 = 100% ... Wide ORB with some low-energy (LE) prxn 2021-07-11 13:14:42 - 13:20:44 SA 1 large gap, mainly in end 122/129 = 95% ... ORB with some LE precipitation; possible IB 2021-07-11 16:24:01 - 16:30:03 SA No significant gaps 129/129 = 100% ... ORB with several localized bands of LE prxn 2021-07-11 19:31:29 - 19:37:31 SA No significant gaps 129/129 = 100% ... Quiescent ORB; possible IB 2021-07-11 21:04:17 - 21:10:22 SA 1 small gap, mainly in end 128/130 = 98% # ORB with localized bands of high-latitude LE prxn with fluxes much higher than surrounding background; possible IB as well 2021-07-11 23:22:43 - 23:28:43 ND No significant gaps 128/128 = 100% ... Dayside (DS) ORB and some IRB 2021-07-12 00:54:55 - 01:00:56 ND 1 large gap, mainly in beginning/middle 69/128 = 54% G Too many gaps but some of ORB/IRB are visible 2021-07-12 02:27:18 - 02:33:18 ND 1 small gap, mainly in beginning 127/128 = 99% # DS ORB with LE prxn over a wide range of high latitudes; some IRB 2021-07-12 04:46:21 - 04:52:17 SA 1 small gap, mainly in beginning 118/126 = 94% ... ORB and IRB; likely IB and possible wave prxn 2021-07-12 07:52:18 - 07:58:19 SA 3 small gaps, mainly in beginning 99/128 = 77% G Gaps but ORB/IRB are apparent 2021-07-12 10:58:49 - 11:04:52 SA No significant gaps 129/128 = 101% ... Nightside (NS) ORB 2021-07-12 12:32:37 - 12:38:40 SA 4 small gaps, mainly in middle 111/128 = 87% G Some gaps; ORB apparent; some LE prxn in plasma sheet 2021-07-12 14:07:08 - 14:13:11 SA No significant gaps 129/128 = 101% ... ORB apparent 2021-07-12 15:41:54 - 15:47:58 SA 5 small gaps, mainly in end 137/129 = 106% ... ORB narrow in latitude; some LE/ME prxn 2021-07-12 18:49:56 - 18:56:00 SA No significant gaps 129/129 = 100% # ORB with multiple bands of LE/ME prxn, possibly due to an IB crossing and or waves 2021-07-12 21:55:27 - 22:01:28 SA No significant gaps 128/128 = 100% # ORB with well-defined LE/ME prxn boundary; IB likely 2021-07-13 00:59:50 - 01:05:53 SA 1 small gap, mainly in end 124/128 = 97% # ORB with extended regions of LE/ME precipitation at high latitudes; IB very likely; possible SAA crossing with IRB fluxes 2021-07-13 03:18:34 - 03:24:35 ND 1 large gap, mainly in beginning 119/128 = 93% # ORB with multiple bands of intense LE precipitation 2021-07-13 05:37:47 - 05:43:43 SA 3 small gaps, mainly in middle 97/126 = 77% G NS ORB and IRB apparent; many small gaps in key areas 2021-07-13 08:43:53 - 08:49:56 SA 3 large gaps, mainly in beginning/middle 69/129 = 53% G ORB/IRB apparent but many large gaps 2021-07-13 12:37:45 - 12:43:45 ND No significant gaps 122/128 = 95% ... Dayside ORB with some LE prxn at heart 2021-07-13 14:59:41 - 15:05:41 SA No significant gaps 128/128 = 100% ... NS ORB with some localized LE prxn 2021-07-13 16:34:14 - 16:40:14 SA No significant gaps 128/128 = 100% ... NS ORB with some localized LE prxn 2021-07-13 18:08:13 - 18:14:17 SA No significant gaps 129/129 = 100% ... NS ORB with some localized prxn; possible IB 2021-07-13 19:41:30 - 19:47:31 SA 22 small gaps, mainly in end 101/128 = 79% G ORB apparent but many gaps 2021-07-13 22:46:30 - 22:52:31 SA 3 small gaps, mainly in middle 105/128 = 82% G NS ORB; IB very likely 2021-07-14 00:18:39 - 00:24:36 SA 3 large gaps, mainly in middle 79/126 = 63% G NS ORB; IB very likely; many gaps 2021-07-14 03:23:32 - 03:29:34 SA 3 large gaps, mainly in middle 76/128 = 59% G ORB and IRB apparent; possible IB; many gaps 2021-07-14 06:29:15 - 06:35:15 SA 4 large gaps, mainly in beginning 91/128 = 71% G NS ORB and IRB; gaps; IB possible 2021-07-14 11:55:47 - 12:01:45 ND No significant gaps 127/127 = 100% ... Quiescent ORB 2021-07-14 15:04:48 - 15:10:50 ND 2 small gaps, mainly in end 125/128 = 98% ... Quiescent ORB 2021-07-14 18:13:15 - 18:19:14 ND No significant gaps 127/127 = 100% # DS ORB with narrow band of up to HE flux 2021-07-14 18:59:56 - 19:05:57 SA No significant gaps 128/128 = 100% # NS ORB and possible PS; magnetosphere likely compressed during storm; distributed LE/ME prxn; possible IB 2021-07-14 20:32:53 - 20:38:54 SA No significant gaps 128/128 = 100% # Same as above 2021-07-14 22:05:18 - 22:11:21 SA 3 small gaps, mainly in beginning 123/128 = 96% # Same as above 2021-07-14 23:37:29 - 23:43:30 SA No significant gaps 128/128 = 100% # Re-populated NS ORB; significant low-energy flux; possible IB; some narrow LE/ME prxn 2021-07-15 01:09:46 - 01:15:42 SA 4 large gaps, mainly in middle/end 14/125 = 11% G ... 2021-07-15 04:14:55 - 04:20:52 SA 5 large gaps, mainly in end 19/126 = 15% G ... 2021-07-15 07:20:48 - 07:26:44 SA 5 large gaps, mainly in beginning 18/125 = 14% G ... 2021-07-15 08:53:55 - 08:59:51 SA 4 large gaps, mainly in middle 46/125 = 37% G ... 2021-07-15 11:13:59 - 11:19:55 ND 2 large gaps, mainly in end 67/125 = 54% G ... 2021-07-15 13:35:13 - 13:41:17 SA 3 large gaps, mainly in middle 47/128 = 37% G ... 2021-07-15 15:09:58 - 15:16:01 SA 3 small gaps, mainly in middle/end 106/128 = 83% G NS ORB with possible IB; many gaps 2021-07-15 16:44:24 - 16:50:27 SA 14 small gaps, mainly in end 100/128 = 78% G NS ORB; many gaps; possible bad FGM state 2021-07-15 19:05:01 - 19:11:01 ND 23 small gaps, mainly in end 97/127 = 76% B NS ORB; bad FGM state 2021-07-15 21:24:07 - 21:30:09 SA 1 small gap, mainly in end 121/127 = 95% # NS ORB with clearly-defined IB extending to HE 2021-07-15 22:56:21 - 23:02:20 SA 1 small gap, mainly in beginning 123/126 = 98% #/* NS ORB extended in latitude with strong LE/ME precipitation distributed over wide range 2021-07-16 00:28:33 - 00:34:29 SA 3 large gaps, mainly in end 69/127 = 54% G NS ORB with gaps 2021-07-16 02:00:54 - 02:06:51 SA 2 large gaps, mainly in middle 93/127 = 73% G NS ORB with IB apparent 2021-07-16 05:06:18 - 05:12:19 SA 12 small gaps, mainly in end 91/129 = 71% B Bad FGM state 2021-07-16 06:39:15 - 06:45:11 SA 2 large gaps, mainly in end 89/127 = 70% G NS ORB and IRB; some big gaps 2021-07-16 09:45:32 - 09:51:28 SA 2 large gaps, mainly in end 48/127 = 38% G NS ORB; many gaps 2021-07-16 11:18:59 - 11:25:01 SA 3 small gaps, mainly in middle 103/129 = 80% G NS ORB; some gaps 2021-07-16 13:40:20 - 13:46:22 ND 1 small gap, mainly in beginning/middle 126/128 = 98% ... Quiescent DS ORB 2021-07-16 16:02:21 - 16:08:22 SA 2 large gaps, mainly in end 111/128 = 87% G Quiescent NS ORB; some gaps 2021-07-16 19:56:30 - 20:02:32 ND 2 large gaps, mainly in beginning/middle 98/129 = 76% G DS ORB; some gaps 2021-07-16 23:01:18 - 23:07:17 ND 1 large gap, mainly in beginning 99/128 = 77% G DS ORB; some gaps 2021-07-17 00:33:30 - 00:39:33 ND 1 large gap, mainly in beginning 119/129 = 92% ... DS ORB with some LE/ME precipitation; needs phase delay correction to confirm 2021-07-17 02:52:07 - 02:58:03 SA No significant gaps 123/127 = 97% ... NS ORB; IB very likely with possible wave precipitation in vicinity 2021-07-17 05:57:44 - 06:03:47 SA 2 large gaps, mainly in beginning 98/129 = 76% G NS ORB and IRB fluxes; some gaps 2021-07-17 09:03:54 - 09:09:56 SA 4 small gaps, mainly in beginning 121/129 = 94% ... NS ORB and IRB 2021-07-17 12:10:59 - 12:16:55 SA 3 large gaps, mainly in end 63/127 = 50% G NS ORB; many gaps 2021-07-17 13:45:26 - 13:51:22 SA 2 large gaps, mainly in end 79/127 = 62% G NS ORB; many gaps 2021-07-17 15:20:10 - 15:26:06 SA No significant gaps 112/127 = 88% ... Quiescent NS ORB 2021-07-17 16:54:34 - 17:00:38 SA 2 large gaps, mainly in end 106/129 = 82% ... Quiescent NS ORB with a possible IB at low-latitudes 2021-07-17 20:01:25 - 20:07:27 SA 5 small gaps, mainly in middle 79/129 = 61% G NS ORB with high-latitude LE/ME precipitation; many gaps 2021-07-17 23:06:11 - 23:12:13 SA No significant gaps 129/129 = 100% ... NS ORB with clearly-defined IB up to HE ELFIN B Outer EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes ---------------------------------------------------------------------------------------------------------- 2021-07-11 01:11:37 - 01:17:37 ND 2 large gaps, mainly in middle 82/127 = 65% G DS ORB; many gaps 2021-07-11 05:49:43 - 05:55:42 ND 5 large gaps, mainly in end 60/126 = 48% G DS ORB; many gaps 2021-07-11 09:42:32 - 09:48:32 SA 5 large gaps, mainly in beginning 37/126 = 29% G NS ORB; mostly gaps 2021-07-11 11:15:59 - 11:21:57 SA 5 large gaps, mainly in end 67/126 = 53% G NS ORB with what looks like LE/ME prxn; too many gaps to say more 2021-07-11 12:49:59 - 12:55:55 SA 2 large gaps, mainly in end 83/125 = 66% G NS ORB with some LE prxn 2021-07-11 15:59:21 - 16:05:21 SA 2 large gaps, mainly in beginning 98/126 = 78% ... NS ORB with some LE/ME prxn 2021-07-11 19:07:12 - 19:13:13 SA 3 large gaps, mainly in end 87/127 = 69% ... Quiescent NS ORB 2021-07-11 22:12:34 - 22:18:36 SA 2 small gaps, mainly in end 111/127 = 87% ... NS ORB with apparent IB 2021-07-12 00:30:53 - 00:36:53 ND 2 large gaps, mainly in middle 108/126 = 86% G DS ORB/IRB flux; some high-latitude LE precipitation (PS?) 2021-07-12 05:55:11 - 06:01:11 SA 2 large gaps, mainly in end 88/126 = 70% G NS ORB and IRB; IB apparent 2021-07-12 11:21:30 - 11:27:30 ND 1 large gap, mainly in end 97/126 = 77% G DS ORB; some LE prxn; gaps 2021-07-12 12:08:26 - 12:14:27 SA 1 large gap, mainly in end 101/126 = 80% G DS quiescent ORB 2021-07-12 13:42:51 - 13:48:47 SA No significant gaps 118/124 = 95% ... NS ORB 2021-07-12 15:17:38 - 15:23:42 SA No significant gaps 126/127 = 99% ... Quiescent NS ORB with apparent IB 2021-07-12 19:59:11 - 20:05:13 SA 1 small gap, mainly in end 121/126 = 96% ... ORB with apprent IB and possible wave prxn in viscinity 2021-07-12 23:04:04 - 23:10:00 SA 6 large gaps, mainly in end 45/124 = 36% G ... 2021-07-13 16:10:31 - 16:16:27 SA Cut short 1/13 = 8% G ... 2021-07-13 17:44:40 - 17:50:36 SA 1 small gap, mainly in middle 5/13 = 38% G ... 2021-07-13 22:23:21 - 22:29:17 SA 2 small gaps, mainly in middle/end 3/13 = 23% G ... 2021-07-13 23:59:59 - 00:05:55* SA 3 large gaps, mainly in middle 51/126 = 40% G ... 2021-07-14 03:00:23 - 03:06:19 SA 4 large gaps, mainly in middle 47/126 = 37% G ... 2021-07-14 14:41:27 - 14:47:29 ND 1 large gap, mainly in end 102/128 = 80% ... DS ORB almost completely depleted; minor prxn at LE 2021-07-14 18:36:58 - 18:42:58 SA 2 large gaps, mainly in middle/end 94/128 = 73% G NS ORB with wide bands of LE/ME prxn; gaps in key areas 2021-07-14 20:10:03 - 20:15:59 SA 5 large gaps, mainly in end 57/126 = 45% G ORB with LE prxn evident; too many gaps 2021-07-14 21:42:36 - 21:48:37 SA 2 large gaps, mainly in middle 102/128 = 80% G,# Active NS ORB with narrow bands of high intensity prxn a LE/ME (waves likely); possible IB; gaps in key locations 2021-07-14 23:14:50 - 23:20:52 SA 1 small gap, mainly in end 122/128 = 95% ... NS ORB with LE prxn 2021-07-15 02:19:33 - 02:25:29 SA 1 large gap, mainly in middle 2/125 = 2% G ... 2021-07-15 03:52:14 - 03:58:10 SA 1 large gap, mainly in end 2/125 = 2% G ... 2021-07-15 05:25:06 - 05:31:08 SA 6 large gaps, mainly in end 10/128 = 8% G ... 2021-07-15 06:58:07 - 07:04:03 SA 3 large gaps, mainly in middle/end 4/125 = 3% G ... 2021-07-15 08:31:15 - 08:37:11 SA 3 large gaps, mainly in middle/end 19/125 = 15% G ... 2021-07-15 12:25:09 - 12:31:10 ND 7 large gaps, mainly in end 23/127 = 18% G ... 2021-07-15 13:12:20 - 13:18:16 SA 3 large gaps, mainly in beginning 27/125 = 22% G ... 2021-07-15 16:21:42 - 16:27:38 SA 3 large gaps, mainly in middle 48/125 = 38% G ... 2021-07-15 21:01:51 - 21:07:52 SA 4 large gaps, mainly in middle 60/127 = 47% G NS ORB apparent with many gaps 2021-07-15 22:34:10 - 22:40:12 SA 2 large gaps, mainly in end 83/128 = 65% G,# Active NS ORB with wide energy precipitation; possible IB; gaps in key areas 2021-07-16 00:52:32 - 00:58:28 ND Cut short 1/125 = 1% G ... 2021-07-16 04:44:05 - 04:50:01 SA 2 large gaps, mainly in middle/end 4/125 = 3% G ... 2021-07-16 07:50:07 - 07:56:03 SA Cut short 1/125 = 1% G ... 2021-07-16 10:56:44 - 11:02:44 SA 6 large gaps, mainly in end 13/127 = 10% G ... 2021-07-16 14:05:17 - 14:11:13 SA 5 large gaps, mainly in middle 7/125 = 6% G ... 2021-07-16 15:40:01 - 15:45:57 SA 5 large gaps, mainly in end 21/125 = 17% G ... 2021-07-16 18:01:15 - 18:07:11 ND 6 large gaps, mainly in end 10/125 = 8% G ... 2021-07-16 23:25:38 - 23:31:34 SA 4 large gaps, mainly in end 24/125 = 19% G ... 2021-07-17 06:22:30 - 06:28:26 ND Cut short 2/7 = 29% G ... 2021-07-17 13:23:29 - 13:29:25 SA Cut short 1/7 = 14% G ... 2021-07-17 14:58:15 - 15:04:11 SA Cut short 2/7 = 29% G ... 2021-07-17 16:32:47 - 16:38:43 SA 2 small gaps, mainly in middle/end 3/7 = 43% G ... 2021-07-17 22:44:54 - 22:50:50 SA Cut short 1/7 = 14% G ... ELFIN A Inner EPD ----------------- Science Zone Range Zone Completeness Notes DL Completeness Flag Science Notes ----------------------------------------------------------------------------------------------------- 2021-07-11 06:14:15 - 06:31:47 IND 3 large gaps, mainly in middle 22/93 = 24% G ... 2021-07-12 07:05:47 - 07:25:05 IND 3 large gaps, mainly in middle 32/102 = 31% G ... 2021-07-13 06:24:17 - 06:44:16 IND 3 large gaps, mainly in middle 57/106 = 54% ... Quiet DS IRB fluxes at lowest L-shells 2021-07-14 07:15:47 - 07:35:34 IND 3 large gaps, mainly in end 66/105 = 63% ... DS IRB with LE fluxes present ELFIN B Inner EPD -----------------