AAVSO Sudden Ionospheric Disturbance Report September 2024 Observers: A118 A119 A131 A136 A148 A152 A153 A157 A96 A97 YYMMDD Event Peak Importance 240901 0640 1- A152 - XRA 240901 0721 1- 240901 0757 2 240901 1058 1- 240901 1120 2 240901 1203 3 240901 1217 2+ 240901 1247 3 A148 - QUAL 240901 1313 3 240901 2001 1+ 240901 2019 2+ A148 - QUAL 240901 2247 2 240902 0530 2 240902 1107 1- 240902 1131 1 240902 1206 2 240902 1341 2+ 240902 1546 1- 240902 1707 2+ A118 - QUAL 240902 1814 1+ A157 - QUAL 240902 1929 1 A157 - XRA 240902 1937 1+ A97 - XRA 240902 2012 2 240902 2104 2 240902 2256 2+ 240903 0724 2+ 240903 1002 1- 240903 1051 2 240903 1145 1 240903 1603 2+ 240903 1615 2+ 240903 1641 2+ A157 - QUAL 240903 1804 2 240903 1837 2+ A157 - FLA 240903 1926 1 240903 2021 1+ 240903 2056 2 A157 - QUAL 240903 2056 2 A157 - QUAL 240904 0614 2 A131 - XRA 240904 0941 1- 240904 1130 1+ A118 - XRA 240904 1224 1+ 240904 1319 1+ 240904 1351 1- A152 - FLA 240904 1526 1 240904 1859 3 A157 - XRA 240904 1926 3+ A148 - XRA 240905 0755 1- 240905 0821 1 240905 0855 2 240905 0940 2 240905 1248 1- A152 - XRA 240905 1307 1- 240905 1325 1+ 240905 1418 1+ 240905 1455 1 240905 1610 1- 240905 1803 1 A97 - XRA 240905 1844 1+ 240906 0556 1+ A131 - XRA 240906 0758 1 240906 1404 1 240906 1518 3 A152 - QUAL 240906 1633 2+ A148 - XRA 240906 1920 2 240906 2029 1 240906 2055 1+ A148 - XRA 240907 0725 2+ A118 - FLA 240907 0733 3+ A152 - FLA 240907 0741 3+ A152 - XRA 240907 1410 1 240907 1613 1 240907 1740 1- A131 - XRA 240907 2120 1+ 240908 1524 2 240908 1533 2 240909 0552 2+ A131 - XRA 240909 0849 2 240909 0925 2 A118 - QUAL 240909 1022 2+ 240909 1217 1 240909 1244 1+ 240909 1706 2 240909 2353 2+ A157 - QUAL 240910 1111 2+ 240910 1546 2 240910 1702 1 A157 - QUAL 240910 1802 1- 240910 2057 1 240910 2349 2 A157 - XRA 240911 0006 3 A157 - XRA 240911 0641 1 A131 - XRA 240911 0828 1- 240911 0957 1+ 240911 1115 1+ 240911 1235 1+ 240911 1332 1- A118 - QUAL 240911 1354 2 A118 - QUAL 240911 1515 2 240911 1531 2+ 240911 1725 1+ 240911 1734 1+ 240911 1752 2 240911 1949 1 240912 0618 3 240912 0837 1+ 240912 0942 2+ 240912 1243 2+ 240912 1322 2 240912 1443 2 240912 1833 1 240912 1905 1 240912 1959 1+ A97 - QUAL 240912 2059 1 A148 - XRA 240912 2206 3 A157 - QUAL 240913 0650 1- A118 - XRA 240913 0824 2+ A131 - XRA 240913 0837 2+ A118 - XRA 240913 1046 2 A131 - QUAL 240913 1233 2 240913 1433 1- 240913 1506 2 240913 1758 1 240913 1901 2 240913 2012 2+ A157 - QUAL 240913 2050 1+ 240913 2142 2+ A148 - XRA 240914 0738 2 240914 1427 1 240914 1519 3 240914 1528 2+ 240915 0755 1+ A118 - XRA 240915 1104 2+ 240915 1355 2 A118 - QUAL 240915 1529 1- 240916 1048 2 A118 - QUAL 240916 1242 1+ A118 - QUAL 240916 1345 2 240916 2349 2+ A157 - XRA 240917 0640 1+ A131 - XRA 240917 1233 1+ 240917 1908 1 A148 - XRA 240918 1608 1- A97 - XRA 240918 1636 1 A148 - XRA 240918 1644 1- A97 - XRA 240919 1529 1 A97 - XRA 240920 1457 1 240921 2047 1 A157 - XRA 240922 1327 1 240922 2128 2+ 240922 2136 2+ 240923 1007 1 240923 1447 2+ 240923 1454 3 240924 0809 1- A131 - XRA 240924 0936 1- A131 - XRA 240924 1147 2+ 240925 1024 2 A118 - QUAL 240925 1511 2+ 240925 1525 2+ 240925 2046 2 A157 - XRA 240925 2309 2 A157 - XRA 240926 1129 1 240926 1207 2 A118 - QUAL 240926 1948 1- A97 - XRA 240926 2040 1- A97 - XRA 240927 0759 2 240927 1028 2+ 240927 1033 2 240927 1158 1+ A131 - FLA 240927 1327 1 A131 - QUAL 240927 1441 2+ 240928 0611 1- A131 - XRA 240928 0809 1- A131 - XRA 240928 1600 1 A97 - XRA 240929 1254 1 240929 1424 2+ 240929 1432 2+ 240929 2146 1 240930 0817 1 A131 - XRA 240930 1032 2 A152 - XRA 240930 1032 2 A152 - XRA 240930 1625 1 A148 - XRA 240930 1625 1 A148 - XRA 240930 1911 2 240930 2352 3 A157 - QUAL 240940 1150 3+ A119 - QUAL ************************************************** Importance Summary - Sep 2024 1- events: 27 1 events: 38 1+ events: 27 2 events: 44 2+ events: 36 3 events: 11 3+ events: 4 ------------------ Total events: 187