AAVSO Sudden Ionospheric Disturbance Report August 2004 Observers: A29 A50 A52 A63 A80 A84 A87 A90 A93 A95 A97 A99 A100 A101 A102 A103 A107 YYMMDD Event Peak Importance 040808 1704 2+ 040808 1710 1- 040808 1725 2 040809 0736 1+ 040809 0808 1 040809 0840 1- 040809 1108 1- 040809 1335 1 040810 1154 1- 040810 1447 2+ 040810 1756 1+ 040811 0825 1- 040811 0854 1 040811 1016 1+ 040811 1142 1+ 040812 0508 1- 040812 0935 1- 040812 0948 1+ 040812 1143 1+ 040812 1301 1- 040812 1622 1+ 040812 1822 1+ 040813 0726 1+ 040813 0734 2 040813 0946 1 040813 1210 1 040813 1327 1- 040813 1518 1+ 040813 1739 2 040813 1814 2 040813 2001 1 040814 0415 2+ 040814 0545 2 040814 0552 2+ 040814 0756 1 040814 0803 3+ 040814 0931 1- 040814 0938 2+ 040814 1001 1 040814 1211 2 040814 1342 2 040814 1523 1+ 040814 1637 1+ 040814 1647 1+ 040814 1745 1+ 040814 1819 2 040814 2019 2 040815 0505 2 040815 0600 1 040815 1130 1+ 040815 1139 2 040815 1238 2 040815 1651 1 040815 1846 2 040815 2045 1+ 040816 1026 2 040816 1338 2 040817 0744 2+ 040817 0841 2+ 040817 0859 1- 040817 1000 1+ 040817 1333 2+ 040817 1338 2 040817 1807 2+ 040817 1933 2+ 040817 2119 2+ 040817 2124 2 040818 0847 1 040818 1047 1- 040818 1355 1+ 040818 1627 1- 040818 1645 1+ 040818 1734 2 040818 1747 2+ 040818 1758 3 040819 0659 2 040819 1151 1- 040819 1239 1- 040819 1305 1+ 040819 1339 2+ 040819 1347 2+ 040826 0217 1 ************************************************** Importance Summary - Aug 2004 1- events: 15 1 events: 12 1+ events: 20 2 events: 19 2+ events: 14 3 events: 1 3+ events: 1 ------------------ Total events: 82