Report 'A118DHO' (Sep-2025):

-- For Information Only - May contain inaccurate or erroneous data --


  1: AAVSO Sudden Ionospheric Disturbance Report


  2: Observer: A118


  3: Station: HO23


  4: 


  5: 40   250902  1421 1435 1423                 1-    2HO23              A118


  6: 40   250902  1443 1530 1450                 2+    5HO23              A118


  7: 40   250903  1520 1547 1525                 1+    3HO23              A118


  8: 40   250904  1340 1445 1343                 2+    5HO23              A118


  9: --   250906  1038 1115 1042                 2     3QD22              A118


 10: 40   250906  1038 1115 1042                 2     5HO23              A118


 11: --   250907  0647 0730 0653                 2     2BZ20              A118


 12: --   250907  0647 0730 0653                 2     2QD22              A118


 13: 40   250907  0647 0730 0653                 2     4HO23              A118


 14: --   250907  0755 0830 0800                 2     2QD22              A118


 15: 40   250907  0755 0830 0800                 2     3HO23              A118


 16: --   250907  0930 1010D0937                 2     3QD22              A118


 17: 40   250907  0930 1010 0937                 2     5HO23              A118


 18: --   250907  1010 1030 1014                 1     2QD22              A118


 19: 40   250907  1010 1030 1014                 1     4HO23              A118


 20: --   250907  1042 1145 1049                 2+    4QD22              A118


 21: 40   250907  1042 1145 1049                 2+    5HO23              A118


 22: 40   250907  1238 1330 1245                 2+    5HO23              A118


 23: --   250907  1540 1630 1555                 2+    2QD22              A118


 24: 40   250907  1540 1645 1555                 2+    4HO23              A118


 25: --   250911  1516 1700 1521                 3     5QD22              A118


 26: 40   250911  1516 1700 1521                 3     5HO23              A118


 27: --   250923  1032 1115 1035                 2     4QD22              A118


 28: 40   250923  1032 1115 1035                 2     5HO23              A118


 29: --   250924  0923 1000 0930                 2     4QD22              A118


 30: 40   250924  0923 1020 0930                 2+    5HO23              A118


 31: --   250924  1248 1300 1250                 1-    2QD22              A118


 32: 40   250924  1248 1315 1250                 1+    5HO23              A118


 33: 40   250924  1701 1710 1702                 1-    2HO23              A118


 34: 40   250925  1357 1425 1402                 1+    4HO23              A118


 35: --   250927  0711 0740 0715                 1+    3BZ20              A118


 36: 40   250927  0711 0740 0715                 1+    4HO23              A118


 37: --   250927  1305 1333 1315                 1+    2QD22              A118


 38: 40   250927  1305 1333 1315                 1+    4HO23              A118


 39: --   250928  0837 0945 0842                 2+    5QD22              A118


 40: 40   250928  0837 0955 0842                 2+    5HO23              A118


 41: 40   250928  1057 1125 1100                 1+    4HO23              A118


 42: 40   250928  1252 1310 1255                 1-    3HO23              A118


 43: --   250928  1317 1430 1325                 2+    4QD22              A118


 44: 40   250928  1317 1430 1325                 2+    5HO23              A118


 45: 40   250929  0910 0930 0914                 1     3HO23              A118


 46: --   250929  1113 1124D1115                 1-    3QD22              A118


 47: 40   250929  1113 1124D1115                 1-    5HO23              A118


 48: --   250929  1124 1157D1137                 2     2QD22              A118


 49: 40   250929  1124 1157D1137                 2     5HO23              A118


 50: --   250929  1157 1216D1200                 1     2QD22              A118


 51: 40   250929  1157 1216D1200                 1     5HO23              A118


 52: --   250929  1216 1300 1219                 2     3QD22              A118


 53: 40   250929  1216 1300 1219                 2     5HO23              A118


 54: --   250930  0936 1015 0940                 2     4QD22              A118


 55: 40   250930  0936 1100 0940                 2+    5HO23              A118


 56: --   250930  0936 1000 0940                 1     3BZ20              A118


 57: --   250930  1207 1330 1223                 2+    5QD22              A118


 58: 40   250930  1207 1430 1223                 3+    5HO23              A118

31 events.

Event Event 1: 02-Sep-25 - monitoring of HO23 by observer A118
Start: 14:21 UTC
Max: 14:23 UTC
End: 14:35 UTC
Duration: 14 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 1 detailed plot. Click to enlarge.
Event Event 2: 02-Sep-25 - monitoring of HO23 by observer A118
Start: 14:43 UTC
Max: 14:50 UTC
End: 15:30 UTC
Duration: 47 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 2 detailed plot. Click to enlarge.
Event Event 3: 03-Sep-25 - monitoring of HO23 by observer A118
Start: 15:20 UTC
Max: 15:25 UTC
End: 15:47 UTC
Duration: 27 minutes (Importance: 1+)
Confidence: 3 Confidence: Reasonable (3)
Event 3 detailed plot. Click to enlarge.
Event Event 4: 04-Sep-25 - monitoring of HO23 by observer A118
Start: 13:40 UTC
Max: 13:43 UTC
End: 14:45 UTC
Duration: 65 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 4 detailed plot. Click to enlarge.
Event Event 5: 06-Sep-25 - monitoring of HO23 by observer A118
Start: 10:38 UTC
Max: 10:42 UTC
End: 11:15 UTC
Duration: 37 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 5 detailed plot. Click to enlarge.
Event Event 6: 07-Sep-25 - monitoring of HO23 by observer A118
Start: 06:47 UTC
Max: 06:53 UTC
End: 07:30 UTC
Duration: 43 minutes (Importance: 2)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 6 detailed plot. Click to enlarge.
Event Event 7: 07-Sep-25 - monitoring of HO23 by observer A118
Start: 07:55 UTC
Max: 08:00 UTC
End: 08:30 UTC
Duration: 35 minutes (Importance: 2)
Confidence: 3 Confidence: Reasonable (3)
Event 7 detailed plot. Click to enlarge.
Event Event 8: 07-Sep-25 - monitoring of HO23 by observer A118
Start: 09:30 UTC
Max: 09:37 UTC
End: 10:10 UTC
Duration: 40 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 8 detailed plot. Click to enlarge.
Event Event 9: 07-Sep-25 - monitoring of HO23 by observer A118
Start: 10:10 UTC
Max: 10:14 UTC
End: 10:30 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 9 detailed plot. Click to enlarge.
Event Event 10: 07-Sep-25 - monitoring of HO23 by observer A118
Start: 10:42 UTC
Max: 10:49 UTC
End: 11:45 UTC
Duration: 63 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 10 detailed plot. Click to enlarge.
Event Event 11: 07-Sep-25 - monitoring of HO23 by observer A118
Start: 12:38 UTC
Max: 12:45 UTC
End: 13:30 UTC
Duration: 52 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 11 detailed plot. Click to enlarge.
Event Event 12: 07-Sep-25 - monitoring of HO23 by observer A118
Start: 15:40 UTC
Max: 15:55 UTC
End: 16:45 UTC
Duration: 65 minutes (Importance: 2+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 12 detailed plot. Click to enlarge.
Event Event 13: 11-Sep-25 - monitoring of HO23 by observer A118
Start: 15:16 UTC
Max: 15:21 UTC
End: 17:00 UTC
Duration: 104 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 13 detailed plot. Click to enlarge.
Event Event 14: 23-Sep-25 - monitoring of HO23 by observer A118
Start: 10:32 UTC
Max: 10:35 UTC
End: 11:15 UTC
Duration: 43 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 14 detailed plot. Click to enlarge.
Event Event 15: 24-Sep-25 - monitoring of HO23 by observer A118
Start: 09:23 UTC
Max: 09:30 UTC
End: 10:20 UTC
Duration: 57 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 15 detailed plot. Click to enlarge.
Event Event 16: 24-Sep-25 - monitoring of HO23 by observer A118
Start: 12:48 UTC
Max: 12:50 UTC
End: 13:15 UTC
Duration: 27 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 16 detailed plot. Click to enlarge.
Event Event 17: 24-Sep-25 - monitoring of HO23 by observer A118
Start: 17:01 UTC
Max: 17:02 UTC
End: 17:10 UTC
Duration: 9 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 17 detailed plot. Click to enlarge.
Event Event 18: 25-Sep-25 - monitoring of HO23 by observer A118
Start: 13:57 UTC
Max: 14:02 UTC
End: 14:25 UTC
Duration: 28 minutes (Importance: 1+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 18 detailed plot. Click to enlarge.
Event Event 19: 27-Sep-25 - monitoring of HO23 by observer A118
Start: 07:11 UTC
Max: 07:15 UTC
End: 07:40 UTC
Duration: 29 minutes (Importance: 1+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 19 detailed plot. Click to enlarge.
Event Event 20: 27-Sep-25 - monitoring of HO23 by observer A118
Start: 13:05 UTC
Max: 13:15 UTC
End: 13:33 UTC
Duration: 28 minutes (Importance: 1+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 20 detailed plot. Click to enlarge.
Event Event 21: 28-Sep-25 - monitoring of HO23 by observer A118
Start: 08:37 UTC
Max: 08:42 UTC
End: 09:55 UTC
Duration: 78 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 21 detailed plot. Click to enlarge.
Event Event 22: 28-Sep-25 - monitoring of HO23 by observer A118
Start: 10:57 UTC
Max: 11:00 UTC
End: 11:25 UTC
Duration: 28 minutes (Importance: 1+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 22 detailed plot. Click to enlarge.
Event Event 23: 28-Sep-25 - monitoring of HO23 by observer A118
Start: 12:52 UTC
Max: 12:55 UTC
End: 13:10 UTC
Duration: 18 minutes (Importance: 1-)
Confidence: 3 Confidence: Reasonable (3)
Event 23 detailed plot. Click to enlarge.
Event Event 24: 28-Sep-25 - monitoring of HO23 by observer A118
Start: 13:17 UTC
Max: 13:25 UTC
End: 14:30 UTC
Duration: 73 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 24 detailed plot. Click to enlarge.
Event Event 25: 29-Sep-25 - monitoring of HO23 by observer A118
Start: 09:10 UTC
Max: 09:14 UTC
End: 09:30 UTC
Duration: 20 minutes (Importance: 1)
Confidence: 3 Confidence: Reasonable (3)
Event 25 detailed plot. Click to enlarge.
Event Event 26: 29-Sep-25 - monitoring of HO23 by observer A118
Start: 11:13 UTC
Max: 11:15 UTC
End: after 11:24 UTC
Duration: 11 minutes (Importance: 1-)
Confidence: 5 Confidence: Definite (5)
Event 26 detailed plot. Click to enlarge.
Event Event 27: 29-Sep-25 - monitoring of HO23 by observer A118
Start: 11:24 UTC
Max: 11:37 UTC
End: after 11:57 UTC
Duration: 33 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 27 detailed plot. Click to enlarge.
Event Event 28: 29-Sep-25 - monitoring of HO23 by observer A118
Start: 11:57 UTC
Max: 12:00 UTC
End: after 12:16 UTC
Duration: 19 minutes (Importance: 1)
Confidence: 5 Confidence: Definite (5)
Event 28 detailed plot. Click to enlarge.
Event Event 29: 29-Sep-25 - monitoring of HO23 by observer A118
Start: 12:16 UTC
Max: 12:19 UTC
End: 13:00 UTC
Duration: 44 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 29 detailed plot. Click to enlarge.
Event Event 30: 30-Sep-25 - monitoring of HO23 by observer A118
Start: 09:36 UTC
Max: 09:40 UTC
End: 11:00 UTC
Duration: 84 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 30 detailed plot. Click to enlarge.
Event Event 31: 30-Sep-25 - monitoring of HO23 by observer A118
Start: 12:07 UTC
Max: 12:23 UTC
End: 14:30 UTC
Duration: 143 minutes (Importance: 3+)
Confidence: 5 Confidence: Definite (5)
Event 31 detailed plot. Click to enlarge.
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