AAVSO Sudden Ionospheric Disturbance Report August 2022 Observers: A118 A119 A120 A122 A131 A134 A136 A138 A141 A146 A148 A150 A152 A153 A155 A96 A97 YYMMDD Event Peak Importance 220802 1535 1+ 220802 1719 2+ A153 - XRA 220803 1513 1 A97 - QUAL 220803 1708 2 220803 1709 2 A146 - XRA 220805 0606 1 220805 0644 1 220812 1019 1+ 220812 1629 1- 220812 1730 1 A97 - QUAL 220813 0514 3 A122 - XRA 220813 0732 2 220813 0832 1+ A152 - XRA 220813 0839 1+ 220813 1248 1- 220813 1300 2 220813 1515 1- A97 - XRA 220813 1819 1- A97 - XRA 220813 1930 2+ A150 - FLA 220813 2325 1- A122 - FLA 220814 1217 2+ A152 - QUAL 220814 1353 2 A152 - XRA 220814 1401 1 220814 2148 2 A150 - XRA 220815 0512 3 A122 - XRA 220815 0814 1 220815 0916 1- A152 - XRA 220815 0944 1 220815 1110 2 220815 1206 1+ 220815 1247 2 220815 1436 2 220815 1654 2 220815 1735 1 220815 1952 1 A97 - XRA 220815 2008 2+ A122 - QUAL 220815 2153 1 220816 0105 2 A122 - QUAL 220816 0758 2+ 220816 1330 1 220816 1404 1+ 220816 2123 2+ 220817 0232 3+ A122 - XRA 220817 0443 2+ A120 - XRA 220817 0713 2 220817 0821 2 220817 0826 2+ 220817 0845 2+ 220817 0935 1+ 220817 1130 2 220817 1227 2 A150 - FLA 220817 1344 2 220817 1351 2 220817 1448 2 220817 1727 1+ A150 - XRA 220818 0040 2+ A122 - XRA 220818 0439 3+ A122 - XRA 220818 0519 3+ A118 - XRA 220818 0603 1 220818 0814 1 220818 0854 1+ 220818 1008 1 220818 1050 2 220818 1412 2 220818 1413 2 220818 1453 2+ A118 - QUAL 220818 1553 1- 220818 1937 1- 220818 2012 1- A97 - XRA 220818 2020 1 A122 - XRA 220818 2158 1 220818 2225 1 A122 - XRA 220819 0445 3 220819 0810 1+ 220819 0906 1+ 220819 1027 1+ 220819 1116 1+ 220819 1150 1 A136 - XRA 220819 2030 2 220819 2039 2 220821 2335 1+ A122 - XRA 220822 1409 2 220822 1937 1 A97 - XRA 220822 2011 1- A138 - QUAL 220822 2056 2+ A138 - XRA 220824 1439 1- A146 - QUAL 220824 1512 1- A146 - QUAL 220824 1614 1- A146 - QUAL 220824 1642 1- A146 - QUAL 220824 1725 1- A146 - QUAL 220824 1801 1- A146 - QUAL 220824 1900 1- A146 - QUAL 220825 0934 1- 220825 1001 1 220825 1120 1 220825 1425 1- A97 - XRA 220825 1642 1- 220825 1759 2 220825 1906 1+ 220825 1951 2 220825 2319 1- A97 - XRA 220825 2325 2+ A138 - XRA 220825 2337 2+ A134 - XRA 220826 0300 2 A134 - FLA 220826 0528 2 A134 - XRA 220826 0625 2 220826 0757 1- A152 - XRA 220826 0841 2+ A119 - XRA 220826 0857 2+ 220826 1053 2+ 220826 1214 1+ 220826 1229 2 220826 1312 3+ A152 - QUAL 220826 1603 1 A97 - FLA 220826 1637 1- A97 - QUAL 220826 1819 1 220826 2235 2 A153 - XRA 220827 0026 2 A122 - QUAL 220827 0704 2 220827 0751 1+ 220827 0917 1+ 220827 1109 1 220827 1137 2 220827 1248 1 220827 1313 2 220827 1340 2 A138 - QUAL 220827 1501 1- 220827 1525 1+ 220827 1558 2 220827 1651 1 A97 - FLA 220827 2046 1 220827 2140 1 220828 0121 2+ 220828 0707 1 220828 0741 2+ 220828 0748 2+ 220828 1031 2 220828 1126 1+ 220828 1208 1- 220828 1333 1+ 220828 1601 3 220828 1611 2+ 220828 1830 2+ 220828 2336 1- 220829 0907 2 220829 0912 2+ 220829 1004 1 A152 - FLA 220829 1105 2+ 220829 1436 1- 220829 1455 2 220829 1540 3 A148 - QUAL 220829 1627 3 220829 1855 2 220829 2151 1+ 220829 2153 1+ 220830 0828 2 220830 1053 1 220830 1136 2 220830 1136 2+ 220830 1646 1- A153 - XRA 220830 1704 2 220830 1711 2 220830 1741 1+ 220830 1753 2 220830 1817 3+ A153 - QUAL 220830 1839 3+ 220830 1841 3+ 220831 0746 1+ 220831 0748 1+ 220831 1502 1+ A119 - XRA 220831 1946 2+ ************************************************** Importance Summary - Aug 2022 1- events: 28 1 events: 31 1+ events: 27 2 events: 46 2+ events: 26 3 events: 6 3+ events: 7 ------------------ Total events: 171