AAVSO Sudden Ionospheric Disturbance Report March 2012 Observers: A102 A112 A118 A119 A120 A122 A124 A125 A129 A130 A131 A80 A94 A96 A97 YYMMDD Event Peak Importance 120301 1526 1 120302 1744 2+ 120303 1804 1 A94 - XRA 120303 1910 3+ A94 - QUAL 120304 1039 2 120304 1048 3 120304 1118 2+ 120304 1740 2+ A94 - XRA 120305 0000 1 A120 - XRA 120305 0010 1+ A120 - XRA 120305 0037 1+ 120305 0109 1- A124 - XRA 120305 0116 2+ A122 - XRA 120305 0343 3 A122 - FLA 120305 0402 3 A102 - XRA 120305 0724 1 120305 0757 1 A119 - FLA 120305 0817 1 120305 0920 2 120305 1033 1- 120305 1212 1- 120305 1234 1- 120305 1427 1- 120305 1503 1 120305 1529 1+ 120305 1602 2+ 120305 1622 1+ 120305 1649 2 120305 1730 1- 120305 1819 1- A124 - QUAL 120305 1837 1- 120305 1912 2 120305 1935 1 120305 2014 2+ 120305 2233 2 120305 2320 2+ 120306 0051 2+ A122 - FLA 120306 0114 2+ A120 - XRA 120306 0214 2+ A122 - FLA 120306 0337 2 A120 - XRA 120306 0406 2 A102 - XRA 120306 0529 1 A102 - XRA 120306 0554 1+ A102 - XRA 120306 0649 1+ 120306 0734 2 120306 0744 1 120306 0756 1+ 120306 0848 1+ 120306 1042 2 120306 1116 1+ 120306 1234 2 120306 1239 1+ 120306 1310 1- 120306 1400 1 A129 - QUAL 120306 1652 1 120306 1947 1+ A94 - XRA 120306 2107 1+ 120306 2155 1 A124 - XRA 120306 2258 1 A94 - XRA 120307 0842 2 120307 0919 1- A131 - FLA 120307 1023 3+ A118 - QUAL 120307 1624 1- A80 - XRA 120308 0254 1 120308 0841 1 120308 1023 1+ 120308 1443 1- 120308 1625 1- A80 - XRA 120308 1923 1 A125 - XRA 120308 1924 1- A125 - XRA 120308 2007 3+ A125 - XRA 120308 2331 2 A125 - XRA 120309 0128 2 A120 - XRA 120309 0251 1 A120 - XRA 120309 1023 1 120309 1120 2 120309 1156 1+ 120309 1605 1- 120309 1628 1- A124 - XRA 120309 1820 1- 120309 2023 1 120309 2143 1- A130 - XRA 120310 0120 2+ A122 - XRA 120310 0244 2+ A122 - XRA 120310 0555 2+ A102 - XRA 120310 0701 1+ A102 - XRA 120310 0743 1+ 120310 0805 1- A80 - XRA 120310 0853 1 120310 1326 1- 120310 1516 1- 120310 1546 2 120310 1555 1- A130 - XRA 120310 1559 1- A130 - XRA 120310 1604 1- A130 - XRA 120310 1607 1- A130 - XRA 120310 1627 1- 120310 1725 2 120310 1735 3 120310 1747 1+ 120310 1816 3+ A124 - QUAL 120311 0317 1 A120 - XRA 120311 1908 1- 120311 1950 1- 120311 2210 1- 120312 1210 2 120313 0720 2 120313 1711 1- A130 - FLA 120313 1725 2+ 120313 1732 2 120313 2105 1- A130 - FLA 120313 2109 1- A130 - FLA 120313 2112 1- A130 - FLA 120313 2116 1- A130 - FLA 120313 2129 1- A130 - FLA 120314 1510 1- A125 - XRA 120314 1520 2+ 120314 1531 2 A94 - XRA 120314 1843 1- A130 - FLA 120315 0751 2+ 120315 0942 3+ A118 - QUAL 120315 1405 1+ 120315 1816 1- 120315 1856 1- A130 - XRA 120315 1911 1- A130 - XRA 120315 1934 1- 120315 2015 1- 120316 1240 2 120316 1317 1- A130 - XRA 120316 1730 2+ A94 - XRA 120316 1738 2+ A80 - XRA 120316 2109 1- A122 - XRA 120317 1123 1- A130 - XRA 120317 1502 1- 120317 2040 1- 120318 0244 1- A122 - XRA 120318 0811 1- A122 - XRA 120318 1749 1- A130 - XRA 120319 1346 2+ 120319 2049 1- 120319 2204 1 A94 - XRA 120320 1434 1- 120320 1444 1- 120321 1005 2+ 120321 1251 1+ 120321 1359 1+ 120321 1548 3+ A118 - XRA 120321 2156 1- 120322 2134 2+ A130 - FLA 120323 1639 1+ 120323 1941 1 120323 2015 1 A124 - FLA 120323 2158 3+ A125 - XRA 120324 0844 3 120324 0857 2+ 120324 0913 3 A119 - XRA 120325 0033 1- A125 - XRA 120325 0202 1 A122 - XRA 120325 1747 1- A125 - FLA 120325 2315 1- 120326 1233 1- 120326 1350 1- 120326 1426 1- 120326 1526 1- A130 - XRA 120326 1531 2 A130 - XRA 120326 1642 1- A130 - XRA 120326 2345 1 A122 - XRA 120327 0311 3 A122 - XRA 120328 1638 1- 120329 0953 1+ 120329 1153 1 120329 1241 1+ 120329 1320 1+ 120329 1640 2+ 120330 2112 2 A94 - XRA ************************************************** Importance Summary - Mar 2012 1- events: 63 1 events: 28 1+ events: 24 2 events: 23 2+ events: 23 3 events: 7 3+ events: 7 ------------------ Total events: 175