AAVSO Sudden Ionospheric Disturbance Report May 2004 Observers: A29 A50 A52 A63 A80 A84 A87 A90 A91 A93 A95 A96 A97 A99 A102 A103 A107 A108 YYMMDD Event Peak Importance 040501 0447 1- 040501 1359 2 040501 1538 2 040502 0343 2 040502 0535 1- 040502 0834 2 040502 1119 2 040502 1600 2+ 040508 1430 1 040513 0743 2 040513 0935 2 040513 1334 2 040515 1445 1+ 040518 0828 2+ 040518 1603 2 040519 1846 1+ 040519 1951 2 040520 1721 1+ 040521 0555 1+ 040521 1623 1 040521 2352 1 040522 0713 2 040522 1158 1+ 040522 1302 1 040523 1459 2+ 040523 1741 1+ 040523 1954 1+ 040524 1105 1+ 040526 1244 1- 040528 1013 1 040530 1930 1+ 040531 0027 2+ 040531 0854 1 040531 1036 1+ ************************************************** Importance Summary - May 2004 1- events: 3 1 events: 6 1+ events: 10 2 events: 11 2+ events: 4 3 events: 0 3+ events: 0 ------------------ Total events: 34