AAVSO Sudden Ionospheric Disturbance Report January 2024 Observers: A112 A118 A119 A131 A136 A138 A141 A146 A148 A150 A152 A153 A157 A97 YYMMDD Event Peak Importance 240101 0849 1 240101 1217 3 240101 1224 3 240101 1704 1- 240102 0934 1- A112 - XRA 240102 1826 2+ 240103 2223 1 A157 - QUAL 240104 1238 1- A146 - QUAL 240104 1732 1 A97 - XRA 240105 1254 1 A112 - XRA 240106 1156 1- A112 - XRA 240106 1534 1- 240106 1848 2 A153 - XRA 240107 1744 1- A97 - XRA 240107 2102 1 A153 - XRA 240107 2224 1- 240108 0955 1+ 240108 1551 1 240108 1931 2 A148 - XRA 240109 1128 2 A152 - XRA 240109 1937 1- 240110 1249 2 240110 1907 2 240110 2001 1 A157 - XRA 240110 2032 1- 240110 2042 1+ 240110 2201 1- 240110 2328 2 240111 0903 1- A152 - XRA 240111 1133 1- A152 - XRA 240111 1205 1 240111 1251 1- 240111 1611 1 A97 - XRA 240111 1633 1 240111 1646 1 240111 1754 2 240111 1923 2 240112 1539 1 240112 1712 1 240112 2233 1+ A157 - XRA 240113 2044 1 A146 - FLA 240114 1153 2 240114 1236 3+ A146 - QUAL 240114 1253 1 A146 - XRA 240114 1307 1+ 240114 1659 1 240114 1844 1- A97 - XRA 240114 2056 2 A146 - QUAL 240115 1843 1- A97 - XRA 240116 1015 1 A112 - FLA 240120 1434 1 240121 1138 1- 240121 1531 1- A112 - XRA 240121 1624 1 240121 1645 3+ A150 - QUAL 240121 1734 1- 240121 1804 3+ A150 - QUAL 240121 1836 1+ 240121 1852 3+ A150 - XRA 240121 1936 1- 240121 2014 1- 240122 0823 1- 240122 1122 2 240122 1647 1- 240122 1904 1- A157 - QUAL 240122 1923 1 240122 1948 2 240122 2122 2 240122 2142 2 240122 2221 1+ 240123 0000 2+ A141 - XRA 240123 0809 1 240123 0822 1 240123 0928 1 240123 1004 1- A131 - XRA 240123 1107 1- 240123 1257 2 240123 1309 1 240123 1436 1- 240123 1458 1+ 240123 1623 1- A153 - XRA 240123 1640 2 240123 1740 1 240123 1829 1+ 240123 1840 1 240123 1935 1 240123 1952 1+ 240123 2000 2 240123 2042 1- A146 - QUAL 240123 2105 1- 240124 0904 1- A131 - XRA 240124 1015 1- 240124 1034 1- 240124 1219 1 240124 1253 1+ 240124 1944 1- 240124 2057 1+ 240125 1053 1+ 240125 1402 1- 240125 1421 2+ A152 - XRA 240125 1456 1- A112 - XRA 240125 1517 1- 240125 2156 1- A157 - XRA 240125 2241 1 A157 - XRA 240126 0035 1- A157 - XRA 240126 1248 1- A146 - QUAL 240126 1301 1- A146 - QUAL 240126 1306 1- A146 - QUAL 240126 2018 1- A153 - XRA 240126 2018 1- A153 - XRA 240126 2025 1 A148 - XRA 240126 2057 1 A146 - QUAL 240128 1015 2+ A131 - XRA 240128 1027 2+ A152 - XRA 240128 1130 1- A131 - QUAL 240128 1244 1 240128 1526 1- 240128 1602 1 240129 1017 1- 240129 1037 1- 240129 1455 1- 240129 1639 1 A148 - XRA 240129 1639 1 A148 - XRA 240130 1601 1 A97 - XRA 240130 1740 1 240131 0827 1- A131 - XRA 240131 0834 1 A152 - XRA 240131 0834 1 A152 - XRA 240131 2048 1 A146 - QUAL ************************************************** Importance Summary - Jan 2024 1- events: 49 1 events: 40 1+ events: 12 2 events: 17 2+ events: 5 3 events: 2 3+ events: 4 ------------------ Total events: 129