AAVSO Sudden Ionospheric Disturbance Report October 2001 Observers: A29 A50 A63 A83 A84 A87 A93 A95 A96 A97 A99 A101 YYMMDD Event Peak Importance 011001 1414 1+ 011002 1024 2+ 010102 1131 2 011002 1219 2 011002 1256 1- 011002 1547 2 011002 1715 2+ 011003 0641 1- 011003 1103 1+ 011004 1220 2 011004 1438 1+ 011004 1730 2 011005 0811 1+ 011005 1200 2 011005 1537 1- 011009 0746 2 011009 1113 3 011009 1602 1+ 011010 0826 1 011010 0926 1 011010 1103 2 011012 0926 1- 011012 1103 2 011012 1202 2+ 011014 1337 1 011014 1458 1- 011014 1550 1+ 011014 1659 2+ 011014 2020 1 011014 2045 2+ 011015 1626 2 011016 1638 1+ 011016 1816 2+ 011016 1925 2 011017 1130 2 011017 1620 3 011018 1348 2 011018 1613 2 011018 1904 2 011019 0702 2 011019 0946 2+ 011019 1227 1+ 011019 1341 1 011019 1625 3 011021 1134 2+ 011021 1425 1- 011021 1955 1- 011022 1006 1 011022 1147 1 011022 1221 2 011022 1500 2+ 011022 1751 2+ 011022 2102 2+ 011023 1209 1- 011023 1230 1+ 011023 1508 2+ 011024 0933 2+ 011024 1418 2 011025 1048 1 011025 1455 3 011025 1920 2 011026 0925 1+ 011026 1006 2+ 011026 1435 2+ 011027 1311 2 011027 1525 1+ 011027 1632 2 011027 1830 1+ 011028 1000 2+ 011028 1105 1- 011028 1650 2 011029 1118 2 011029 1135 2 011029 1924 1- 011029 1934 1+ 011030 1017 2 011030 1122 1+ 011030 1147 1- 011030 1220 1- 011030 1357 2+ 011030 1454 2 011030 1517 2 011030 1655 2+ 011030 2030 2+ 011031 0809 2+ 011031 1045 2+ 011031 1606 2 ************************************************* Importance Summary - Oct 2001 1- events: 8 1 events: 14 1+ events: 12 2 events: 28 2+ events: 21 3 events: 4 3+ events: 0 ------------------ Total events: 87