Report 'A118DHO' (May-2026):

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


  1: AAVSO Sudden Ionospheric Disturbance Report


  2: Observer: A118


  3: Station: HO23


  4: 


  5: --   260501  1528 1615 1530                 2+    5QD22              A118


  6: 40   260501  1528 1623 1530                 2+    5HO23              A118


  7: 40   260502  1520 1532D1525                 1-    2HO23              A118


  8: 40   260502  1532 1600 1535                 1+    3HO23              A118


  9: --   260503  0700 0730 0709                 1+    3BZ20              A118


 10: --   260503  0700 0730 0709                 1+    2QD22              A118


 11: 40   260503  0700 0730 0709                 1+    3HO23              A118


 12: --   260507  1425 1730 1437                 3+    5QD22              A118


 13: 40   260507  1425 1730 1437                 3+    5HO23              A118


 14: --   260508  1546 1615 1550                 1+    5QD22              A118


 15: 40   260508  1546 1615 1550                 1+    5HO23              A118


 16: 40   260510  0922 0937 0925                 1-    3HO23              A118


 17: --   260510  0937 0955 0940                 1-    2BZ20              A118


 18: 40   260510  0937 0955 0940                 1-    4HO23              A118


 19: --   260510  1333 1415 1337                 2     5BZ20              A118


 20: --   260510  1328 1337 1331                 1-    2QD22              A118


 21: 40   260510  1325 1510 1333                 3     5HO23              A118


 22: --   260510  1748 1825 1752                 2     5BZ20              A118


 23: --   260510  1748 1815 1752                 1+    5QD22              A118


 24: 40   260510  1748 1815 1752                 1+    5HO23              A118


 25: 40   260514  0638 0700 0643                 1     4HO23              A118


 26: 40   260514  0917 0930 0922                 1-    3HO23              A118


 27: 40   260514  1130 1205 1135                 2     4HO23              A118


 28: --   260514  1715 1815 1728                 2+    2QD22              A118


 29: 40   260514  1715 1815 1728                 2+    3HO23              A118


 30: 40   260515  1142 1222 1151                 2     5HO23              A118


 31: 40   260515  1313 1340 1314                 1+    5HO23              A118


 32: --   260515  1613 1645 1615                 1+    5QD22              A118


 33: 40   260515  1613 1645 1615                 1+    5HO23              A118


 34: 40   260516  1512 1520 1513                 1-    2HO23              A118


 35: --   260516  1600 1730 1610                 3     5QD22              A118


 36: 40   260516  1600 1730 1610                 3     5HO23              A118


 37: --   260516  1741 1815 1742                 2     3BZ20              A118


 38: --   260516  1741 1815 1742                 2     4QD22              A118


 39: 40   260516  1741 1815 1742                 2     5HO23              A118


 40: --   260521  1317 1350 1321                 2     3QD22              A118


 41: 40   260521  1318 1350 1322                 1+    5HO23              A118


 42: --   260521  1813 1855 1815                 2     4BZ20              A118


 43: --   260521  1813 1855 1815                 2     4QD22              A118


 44: 40   260521  1813 1855 1815                 2     1HO23              A118


 45: --   260522  1007 1100 1025                 2+    2BZ20              A118


 46: --   260522  1007 1030 1012                 1     3QD22              A118


 47: 40   260522  1007 1200 1013                 3     5HO23              A118


 48: --   260526  1237 1330 1238                 2+    2QD22              A118


 49: 40   260526  1237 1330 1238                 2+    5HO23              A118


 50: 40   260526  1349 1410 1356                 1     2HO23              A118


 51: --   260529  0527 0600 0536                 2     3BZ20              A118


 52: --   260529  0527 0615 0536                 2+    1QD22              A118


 53: 40   260529  0527 0610 0536                 2     3HO23              A118


 54: --   260530  0735 0815 0744                 2     3QD22              A118


 55: 40   260530  0735 0800 0747                 1     3HO23              A118


 56: 40   260530  1152 1220 1154                 1+    4HO23              A118

28 events.

Event Event 1: 01-May-26 - monitoring of HO23 by observer A118
Start: 15:28 UTC
Max: 15:30 UTC
End: 16:23 UTC
Duration: 55 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 1 detailed plot. Click to enlarge.
Event Event 2: 02-May-26 - monitoring of HO23 by observer A118
Start: 15:20 UTC
Max: 15:25 UTC
End: after 15:32 UTC
Duration: 12 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 2 detailed plot. Click to enlarge.
Event Event 3: 02-May-26 - monitoring of HO23 by observer A118
Start: 15:32 UTC
Max: 15:35 UTC
End: 16:00 UTC
Duration: 28 minutes (Importance: 1+)
Confidence: 3 Confidence: Reasonable (3)
Event 3 detailed plot. Click to enlarge.
Event Event 4: 03-May-26 - monitoring of HO23 by observer A118
Start: 07:00 UTC
Max: 07:09 UTC
End: 07:30 UTC
Duration: 30 minutes (Importance: 1+)
Confidence: 3 Confidence: Reasonable (3)
Event 4 detailed plot. Click to enlarge.
Event Event 5: 07-May-26 - monitoring of HO23 by observer A118
Start: 14:25 UTC
Max: 14:37 UTC
End: 17:30 UTC
Duration: 185 minutes (Importance: 3+)
Confidence: 5 Confidence: Definite (5)
Event 5 detailed plot. Click to enlarge.
Event Event 6: 08-May-26 - monitoring of HO23 by observer A118
Start: 15:46 UTC
Max: 15:50 UTC
End: 16:15 UTC
Duration: 29 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 6 detailed plot. Click to enlarge.
Event Event 7: 10-May-26 - monitoring of HO23 by observer A118
Start: 09:22 UTC
Max: 09:25 UTC
End: 09:37 UTC
Duration: 15 minutes (Importance: 1-)
Confidence: 3 Confidence: Reasonable (3)
Event 7 detailed plot. Click to enlarge.
Event Event 8: 10-May-26 - monitoring of HO23 by observer A118
Start: 09:37 UTC
Max: 09:40 UTC
End: 09:55 UTC
Duration: 18 minutes (Importance: 1-)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 8 detailed plot. Click to enlarge.
Event Event 9: 10-May-26 - monitoring of HO23 by observer A118
Start: 13:25 UTC
Max: 13:33 UTC
End: 15:10 UTC
Duration: 105 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 9 detailed plot. Click to enlarge.
Event Event 10: 10-May-26 - monitoring of HO23 by observer A118
Start: 17:48 UTC
Max: 17:52 UTC
End: 18:15 UTC
Duration: 27 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 10 detailed plot. Click to enlarge.
Event Event 11: 14-May-26 - monitoring of HO23 by observer A118
Start: 06:38 UTC
Max: 06:43 UTC
End: 07:00 UTC
Duration: 22 minutes (Importance: 1)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 11 detailed plot. Click to enlarge.
Event Event 12: 14-May-26 - monitoring of HO23 by observer A118
Start: 09:17 UTC
Max: 09:22 UTC
End: 09:30 UTC
Duration: 13 minutes (Importance: 1-)
Confidence: 3 Confidence: Reasonable (3)
Event 12 detailed plot. Click to enlarge.
Event Event 13: 14-May-26 - monitoring of HO23 by observer A118
Start: 11:30 UTC
Max: 11:35 UTC
End: 12:05 UTC
Duration: 35 minutes (Importance: 2)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 13 detailed plot. Click to enlarge.
Event Event 14: 14-May-26 - monitoring of HO23 by observer A118
Start: 17:15 UTC
Max: 17:28 UTC
End: 18:15 UTC
Duration: 60 minutes (Importance: 2+)
Confidence: 3 Confidence: Reasonable (3)
Event 14 detailed plot. Click to enlarge.
Event Event 15: 15-May-26 - monitoring of HO23 by observer A118
Start: 11:42 UTC
Max: 11:51 UTC
End: 12:22 UTC
Duration: 40 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 15 detailed plot. Click to enlarge.
Event Event 16: 15-May-26 - monitoring of HO23 by observer A118
Start: 13:13 UTC
Max: 13:14 UTC
End: 13:40 UTC
Duration: 27 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 16 detailed plot. Click to enlarge.
Event Event 17: 15-May-26 - monitoring of HO23 by observer A118
Start: 16:13 UTC
Max: 16:15 UTC
End: 16:45 UTC
Duration: 32 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 17 detailed plot. Click to enlarge.
Event Event 18: 16-May-26 - monitoring of HO23 by observer A118
Start: 15:12 UTC
Max: 15:13 UTC
End: 15:20 UTC
Duration: 8 minutes (Importance: 1-)
Confidence: 2 Confidence: Fair (2)
Event 18 detailed plot. Click to enlarge.
Event Event 19: 16-May-26 - monitoring of HO23 by observer A118
Start: 16:00 UTC
Max: 16:10 UTC
End: 17:30 UTC
Duration: 90 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 19 detailed plot. Click to enlarge.
Event Event 20: 16-May-26 - monitoring of HO23 by observer A118
Start: 17:41 UTC
Max: 17:42 UTC
End: 18:15 UTC
Duration: 34 minutes (Importance: 2)
Confidence: 5 Confidence: Definite (5)
Event 20 detailed plot. Click to enlarge.
Event Event 21: 21-May-26 - monitoring of HO23 by observer A118
Start: 13:18 UTC
Max: 13:22 UTC
End: 13:50 UTC
Duration: 32 minutes (Importance: 1+)
Confidence: 5 Confidence: Definite (5)
Event 21 detailed plot. Click to enlarge.
Event Event 22: 21-May-26 - monitoring of HO23 by observer A118
Start: 18:13 UTC
Max: 18:15 UTC
End: 18:55 UTC
Duration: 42 minutes (Importance: 2)
Confidence: 1 Confidence: Possible (1)
Event 22 detailed plot. Click to enlarge.
Event Event 23: 22-May-26 - monitoring of HO23 by observer A118
Start: 10:07 UTC
Max: 10:13 UTC
End: 12:00 UTC
Duration: 113 minutes (Importance: 3)
Confidence: 5 Confidence: Definite (5)
Event 23 detailed plot. Click to enlarge.
Event Event 24: 26-May-26 - monitoring of HO23 by observer A118
Start: 12:37 UTC
Max: 12:38 UTC
End: 13:30 UTC
Duration: 53 minutes (Importance: 2+)
Confidence: 5 Confidence: Definite (5)
Event 24 detailed plot. Click to enlarge.
Event Event 25: 26-May-26 - monitoring of HO23 by observer A118
Start: 13:49 UTC
Max: 13:56 UTC
End: 14:10 UTC
Duration: 21 minutes (Importance: 1)
Confidence: 2 Confidence: Fair (2)
Event 25 detailed plot. Click to enlarge.
Event Event 26: 29-May-26 - monitoring of HO23 by observer A118
Start: 05:27 UTC
Max: 05:36 UTC
End: 06:10 UTC
Duration: 43 minutes (Importance: 2)
Confidence: 3 Confidence: Reasonable (3)
Event 26 detailed plot. Click to enlarge.
Event Event 27: 30-May-26 - monitoring of HO23 by observer A118
Start: 07:35 UTC
Max: 07:47 UTC
End: 08:00 UTC
Duration: 25 minutes (Importance: 1)
Confidence: 3 Confidence: Reasonable (3)
Event 27 detailed plot. Click to enlarge.
Event Event 28: 30-May-26 - monitoring of HO23 by observer A118
Start: 11:52 UTC
Max: 11:54 UTC
End: 12:20 UTC
Duration: 28 minutes (Importance: 1+)
Confidence: 4 Confidence: Reasonably Definite (4)
Event 28 detailed plot. Click to enlarge.
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