AAVSO Sudden Ionospheric Disturbance Report September 2022 Observers: A118 A119 A122 A131 A136 A138 A141 A146 A148 A150 A152 A153 A155 A96 A97 YYMMDD Event Peak Importance 220901 1358 2 220902 1326 1- A118 - XRA 220902 1404 1+ 220902 1510 2 A118 - XRA 220902 1520 2+ A97 - XRA 220902 1625 1 220902 1713 1 220902 1714 1 220902 1954 2 220903 1227 2 220903 1647 1+ 220903 2016 2 220903 2137 1 220903 2348 1+ A153 - QUAL 220904 0802 1- A119 - XRA 220904 1020 1 220904 1056 1- 220904 1131 1 220904 1144 1+ 220904 1214 1- A152 - XRA 220904 1217 1+ 220904 1358 1- A119 - XRA 220904 1409 2+ A119 - XRA 220904 1638 1+ 220905 0256 3+ A122 - XRA 220905 0811 2 220905 0819 2 220905 0857 2 220905 1039 1 220905 1104 2 220905 1112 2+ 220905 1724 1 220905 1741 1 220905 1805 2 220905 2002 1 A138 - XRA 220905 2021 2 220905 2251 2+ A97 - QUAL 220906 1130 1- 220906 1657 1 A97 - XRA 220906 1831 1+ 220907 1711 1+ A97 - XRA 220909 2103 2+ A150 - XRA 220910 1117 1 220911 1032 2 220911 1233 1 220911 1352 1 A131 - XRA 220911 1439 1+ 220911 1650 2 220911 1816 1+ 220911 1828 1+ 220911 2228 3 A153 - XRA 220911 2234 2 A148 - XRA 220912 0633 1 A131 - XRA 220912 0925 1 220912 1019 1+ 220912 1128 1 220912 1223 1+ 220912 1301 1+ 220912 1354 2+ A150 - FLA 220912 1901 1+ 220912 1956 2 A153 - XRA 220912 2052 1- A153 - XRA 220912 2347 1 220913 0948 1+ A150 - FLA 220913 1131 1- 220913 1155 1- A152 - XRA 220913 1237 1+ 220913 1336 2+ A97 - FLA 220913 1403 2 220913 1502 2+ 220913 1515 2 220913 1729 1- 220914 0415 3+ A122 - XRA 220914 1008 2+ 220914 1016 2 220914 1120 1+ 220914 1215 2 220914 1459 1 220914 1941 2 220916 0740 2+ 220916 0949 2+ 220916 1055 3+ A118 - QUAL 220916 1558 2+ 220916 1604 2 220916 1908 2 A153 - XRA 220916 2116 2 A153 - XRA 220916 2309 1- A153 - XRA 220917 1305 3 220917 1312 2+ 220917 1334 2+ 220917 2021 1- 220917 2040 2 220918 1130 1- 220918 1303 1+ 220918 1538 2 220918 1748 3 A153 - QUAL 220918 2204 2+ A153 - XRA 220918 2339 1+ A153 - XRA 220919 0050 2 A122 - XRA 220919 0058 2 A153 - XRA 220919 1357 1 220920 0702 2+ A136 - QUAL 220920 0924 1 220920 1124 2+ 220920 1506 1+ 220920 1637 1 220920 1844 1 220920 2111 1 A148 - XRA 220921 0703 2 220921 1137 1+ 220921 1333 1 A131 - QUAL 220921 2320 2 A153 - XRA 220922 1134 2 220922 1313 1 A131 - FLA 220922 1432 2 220923 0150 2 A122 - FLA 220923 0855 1- A131 - XRA 220923 0937 1 A131 - XRA 220923 1133 2 220923 1242 1- A131 - XRA 220923 1420 3 220923 1440 2+ A148 - XRA 220923 1810 2+ 220924 1056 2 A131 - QUAL 220924 1233 2 220924 1318 1+ 220924 1432 1 A131 - XRA 220924 1454 1 220924 1607 1+ 220924 1721 2+ 220924 1848 1 220924 2300 2 A122 - XRA 220925 0120 1+ A122 - XRA 220926 0907 2+ 220926 1541 1 220926 1810 1- A153 - XRA 220926 2113 2 220927 0645 2+ 220927 1156 2 220927 1350 1- 220927 1649 1 A153 - XRA 220927 1958 1+ 220927 2252 1- A153 - XRA 220927 2311 1- A153 - XRA 220929 1203 2+ 220929 1342 1+ 220929 1446 1- A131 - QUAL 220929 2024 2 220930 0703 2 220930 0843 1+ 220930 1139 1 220930 1201 1+ 220930 1416 2 220930 1514 1- 220930 1536 1 220930 1620 2 220930 1621 2 220930 1736 2+ 220930 1737 2 ************************************************** Importance Summary - Sep 2022 1- events: 21 1 events: 34 1+ events: 29 2 events: 44 2+ events: 24 3 events: 4 3+ events: 3 ------------------ Total events: 159