AAVSO Sudden Ionospheric Disturbance Report July 2024 Observers: A112 A118 A119 A131 A138 A141 A148 A150 A156 A157 A96 A97 YYMMDD Event Peak Importance 240701 1102 2 240701 1140 1 A118 - XRA 240701 2157 1 A148 - XRA 240701 2208 1- A97 - XRA 240701 2233 1 240702 2056 2 A150 - XRA 240703 0741 2+ 240703 1214 1 A97 - XRA 240704 0808 1 240704 1229 1+ A131 - XRA 240704 1236 2 A131 - XRA 240704 1245 2 A118 - XRA 240704 1308 1+ 240704 1424 2 240704 1606 1+ 240704 1733 1- A150 - XRA 240704 1751 1+ A150 - XRA 240704 1801 2 A97 - XRA 240704 2005 2 240705 0520 1 240705 0621 1 A131 - XRA 240705 1516 1 A97 - XRA 240705 1905 2 240705 2012 1+ 240705 2252 1+ 240706 0005 3 A157 - QUAL 240706 0850 1- A131 - XRA 240706 0926 2+ 240706 0933 2+ 240706 1121 2 A131 - FLA 240706 1222 1+ A131 - QUAL 240706 1310 1- A97 - XRA 240706 2309 2 240707 0535 2 240707 1507 1+ 240707 1553 1 240707 1747 1+ 240707 1952 2 240707 2126 1+ 240707 2205 1 A97 - XRA 240707 2345 1 A157 - QUAL 240708 0536 1 A118 - XRA 240708 0544 2+ A131 - XRA 240708 0803 2 A131 - XRA 240708 0846 1 240708 0904 2 A131 - QUAL 240708 1113 1 A131 - XRA 240708 1135 1+ A131 - XRA 240708 1244 1+ 240708 1416 1 A131 - XRA 240708 1446 1 A131 - XRA 240708 1506 1- A131 - XRA 240708 1749 1+ 240708 1850 2 A157 - XRA 240709 0555 1+ 240709 0723 1+ 240709 0823 2 240709 2157 2+ A157 - XRA 240709 2211 1+ A97 - XRA 240710 0558 2 240710 0920 2+ A118 - XRA 240710 1100 1+ 240710 1202 2 240710 1305 1+ 240710 1537 1+ 240710 1757 1+ 240710 1803 1+ 240710 1954 2 240710 2020 1- 240711 0500 2+ A156 - FLA 240711 0600 2+ A156 - XRA 240711 0621 1+ 240711 1326 2+ A97 - QUAL 240711 1555 1 240711 1650 2+ A156 - XRA 240712 1216 1+ A131 - XRA 240712 1320 2+ 240713 1231 2+ 240713 1237 2+ 240713 1510 2+ 240713 1521 2 240713 1849 2+ A157 - QUAL 240713 1849 2+ A157 - QUAL 240713 1858 1 A97 - QUAL 240713 1932 2 240713 2043 2 A157 - FLA 240713 2301 2 240714 0114 2 A157 - XRA 240714 0231 2+ A157 - XRA 240714 0819 1+ 240714 0928 2+ A131 - FLA 240714 1020 1+ 240714 1207 1 240714 1225 2 A97 - QUAL 240714 1244 1- 240714 1330 1 A131 - XRA 240714 1441 1 A131 - XRA 240714 1514 1 A131 - FLA 240714 1624 1+ 240714 1942 1 240714 2017 1+ 240714 2056 1 240714 2114 3+ A150 - XRA 240714 2123 2 A157 - XRA 240714 2217 1 A157 - QUAL 240715 0051 2 A157 - QUAL 240715 0517 1 A131 - XRA 240715 0831 1 240715 0932 2 240715 1012 2+ A96 - XRA 240715 1617 1- 240715 2011 1 240715 2105 2+ A157 - FLA 240715 2217 2+ A157 - FLA 240716 0034 2 A157 - QUAL 240716 0735 2 240716 0850 1 240716 0917 2 240716 1050 2 A118 - XRA 240716 1230 3 A156 - QUAL 240716 1230 3+ A156 - QUAL 240716 1324 2 240716 1330 3+ A156 - XRA 240716 2100 3 A156 - QUAL 240716 2100 3+ A156 - QUAL 240716 2123 1+ 240716 2205 2 240717 0613 1 240717 0635 2 240717 0650 1+ A96 - XRA 240717 0710 2+ A96 - XRA 240717 0859 1 A118 - QUAL 240717 0936 2+ 240717 0943 2+ 240717 1954 2 240717 2001 2 240717 2050 3+ A156 - QUAL 240718 0533 1- 240718 0645 1- A118 - XRA 240718 0902 1+ 240718 1014 2 240718 1039 2 A96 - XRA 240718 1219 1+ 240718 1441 1- 240718 1520 1+ 240718 1550 1- 240718 1622 1 240718 1655 1- A131 - FLA 240718 1803 3 A157 - QUAL 240718 2235 3 A157 - QUAL 240719 0018 3 A157 - QUAL 240719 0539 1 240719 0803 1- 240719 0821 2+ 240719 1200 2 240719 1402 2 240719 1410 1+ 240719 1808 2 240719 1844 3 A157 - QUAL 240719 2233 1+ A97 - XRA 240719 2249 2+ 240720 0534 1+ 240720 0657 1+ 240720 0721 2 240720 0839 1+ 240720 1325 2 240720 1623 1 240720 1850 2 240720 2140 1+ A148 - XRA 240720 2148 2 A157 - XRA 240720 2234 3 A157 - XRA 240720 2250 1 240721 0544 1 A118 - XRA 240721 0643 1+ A131 - QUAL 240721 0744 1+ 240721 0800 3+ A156 - QUAL 240721 0835 2 240721 0944 1 A131 - FLA 240721 1022 1+ 240721 1108 1 240721 1219 1- 240721 1239 1- 240721 1305 1 A118 - QUAL 240721 1332 1- 240721 1428 1- 240721 1631 1+ 240721 2000 3+ A156 - XRA 240721 2016 1 240721 2200 1 A148 - XRA 240721 2330 2 240721 2400 2 A148 - FLA 240722 0436 2+ A131 - XRA 240722 0520 1- A131 - XRA 240722 0659 2 A118 - XRA 240722 0712 2+ A131 - XRA 240722 0935 2 240722 1223 1+ 240722 1257 2 240722 1527 1 240722 1534 2+ 240722 1547 2 240722 1727 1 240723 0912 2 240723 1404 2+ 240723 1410 3 240723 1422 2+ 240723 2241 1+ 240723 2259 2+ A157 - QUAL 240723 2332 1 240724 0743 2+ 240724 1052 2 A118 - XRA 240724 1202 2+ A118 - XRA 240724 1721 2 240724 1820 2 A148 - XRA 240724 2149 1 A97 - XRA 240725 1100 2 A118 - XRA 240725 1233 1+ 240725 1250 1- A97 - FLA 240725 1332 1 A118 - XRA 240725 1353 2 A97 - FLA 240725 1536 1+ 240726 0846 2 240726 0920 2 A118 - XRA 240726 1152 2 A118 - FLA 240726 1245 3 A118 - FLA 240726 1530 1 A118 - FLA 240726 1538 2+ A157 - FLA 240727 0547 2+ 240727 0830 2 240727 0958 1 240727 1038 2+ 240727 1054 1- A112 - XRA 240727 1805 1+ 240727 1831 2 240727 1837 2 240727 1920 3 A157 - QUAL 240728 0150 2+ A157 - XRA 240728 0600 3+ A156 - XRA 240728 1040 2+ 240728 1152 2 A96 - QUAL 240728 1251 1 240728 1312 3+ A150 - FLA 240728 1405 1+ 240728 1600 1+ 240728 1608 1+ 240728 1717 1 A118 - XRA 240728 1823 2 240728 1830 2 240728 2037 2 240728 2243 1+ 240728 2246 1+ 240729 0116 2+ A157 - XRA 240729 0232 2+ A157 - XRA 240729 0522 2 240729 1221 1 240729 1255 2+ 240729 1349 1- A96 - XRA 240729 1420 3 240729 1430 2 240729 1441 3+ 240729 1715 1- A118 - XRA 240729 1742 2 240729 1917 1- A157 - XRA 240729 1951 2 240729 2052 2+ 240729 2218 1+ 240730 0102 2+ A157 - XRA 240730 0628 2 A118 - XRA 240730 0716 2 A118 - XRA 240730 0716 2 A118 - XRA 240730 0757 1 A118 - XRA 240730 1032 2 A118 - FLA 240730 1120 2 A118 - FLA 240730 1205 1 A118 - QUAL 240730 1235 1 A118 - FLA 240730 1312 2+ A118 - QUAL 240730 1425 1+ A118 - FLA 240730 1454 1 240730 1532 1+ 240730 1621 2+ 240730 1629 2 240730 1708 1 240730 1919 1+ 240730 1928 2+ 240730 1937 2+ 240730 2000 3+ A156 - QUAL 240730 2140 1 240731 0524 2 240731 0642 2 240731 0647 2+ 240731 0840 1+ 240731 0910 1+ A131 - QUAL 240731 1021 2+ 240731 1133 2+ A118 - QUAL 240731 1252 2 240731 1305 2+ 240731 1559 1- A157 - QUAL 240731 1630 2 240731 1714 1- A131 - QUAL 240731 1759 3 A157 - QUAL 240731 1825 2 240731 1829 2 240731 2002 1+ A157 - QUAL 240731 2011 1 A150 - QUAL 240731 2052 1 A157 - QUAL 240731 2115 1+ 240731 2149 1+ 240731 2156 2 240731 2249 1+ 240731 2252 1+ ************************************************** Importance Summary - Jul 2024 1- events: 26 1 events: 59 1+ events: 63 2 events: 86 2+ events: 52 3 events: 13 3+ events: 11 ------------------ Total events: 310