AAVSO Sudden Ionospheric Disturbance Report March 2015 Observers: A118 A119 A120 A122 A125 A131 A134 A136 A138 A141 A143 A94 A96 A97 YYMMDD Event Peak Importance 150301 0514 1+ 150301 1601 2 150301 1604 1+ A141 - XRA 150301 1606 2 A141 - XRA 150301 1612 2+ A94 - XRA 150302 0301 2+ A122 - XRA 150302 0520 1+ 150302 0558 2+ 150302 0638 1 150302 0710 1- 150302 0747 1- 150302 0843 1- 150302 0906 1- A143 - XRA 150302 0916 1- 150302 0946 2+ 150302 0953 2+ 150302 1036 2+ 150302 1128 1- 150302 1200 1- 150302 1303 2 150302 1309 2 150302 1355 2 A125 - QUAL 150302 1412 1- 150302 1440 1- A141 - QUAL 150302 1454 2 A125 - QUAL 150302 1527 1+ 150302 1736 1+ 150302 1926 1- 150302 1951 2+ A125 - QUAL 150302 2317 2 150303 0031 1+ 150303 0132 1 150303 0227 1+ 150303 0314 2 A134 - QUAL 150303 0627 1- A131 - XRA 150303 0854 1- 150303 1334 2 150303 1912 1 A125 - QUAL 150304 1017 2+ A118 - QUAL 150304 1343 1 150304 1453 3+ A125 - QUAL 150305 0418 1- A120 - XRA 150305 0942 1+ 150305 0950 2+ 150305 1808 1 150305 1957 1 A94 - XRA 150306 0213 1 A120 - QUAL 150306 0259 1 A120 - QUAL 150306 0423 1- A120 - QUAL 150306 0435 1- A120 - QUAL 150306 0455 1 150306 0520 1- A120 - QUAL 150306 0554 1- A141 - QUAL 150306 0602 2+ A120 - QUAL 150306 0743 3 A120 - QUAL 150306 1408 1- A118 - QUAL 150306 1509 1- 150306 1549 1- 150306 2112 1- A94 - XRA 150306 2132 1- A94 - XRA 150307 0940 1- 150307 1422 2+ 150307 1721 2+ A125 - QUAL 150307 1737 2 A125 - QUAL 150307 1852 2 150307 2120 1- A141 - QUAL 150307 2123 1- A141 - QUAL 150307 2130 1- A141 - QUAL 150307 2204 2+ 150307 2213 2+ 150308 0919 1+ 150308 0926 2 150308 1358 3 A141 - QUAL 150308 1430 2+ A141 - XRA 150308 1515 2+ A141 - QUAL 150309 1009 1+ 150309 1411 1- A141 - QUAL 150309 1432 1+ 150309 1438 1+ 150309 1743 1 150309 1947 3+ A125 - QUAL 150309 2206 1- A125 - QUAL 150309 2345 1+ 150310 0324 2 150310 0421 2 A134 - XRA 150310 0430 2 A120 - XRA 150310 0634 2 A141 - XRA 150310 0726 1- 150310 0851 1- 150310 1500 1- 150310 2101 1+ 150311 0607 1- 150311 0718 1 150311 0730 1 150311 0757 2 150311 0925 1- 150311 1129 2 150311 1139 2+ 150311 1315 1 150311 1438 1+ 150311 1519 1 150311 1547 3 A125 - QUAL 150311 1619 2 150311 1623 2 150311 1851 2 150311 2218 2 150311 2346 1+ 150312 0613 1- A141 - QUAL 150312 0733 1- 150312 0814 1 150312 0821 2 150312 0912 2+ 150312 1149 2 150312 1215 1+ 150312 1259 1- A141 - QUAL 150312 1401 2 150312 1408 1+ 150312 1445 2+ A125 - QUAL 150312 2035 1+ 150312 2150 2 150313 0113 1- A120 - XRA 150313 0400 3 150313 0606 1+ 150313 0737 1 150313 0744 2 150313 1057 1 A131 - XRA 150313 1127 2 150313 2037 2+ 150313 2048 2 150314 0153 2 A122 - XRA 150314 0202 1+ A120 - XRA 150314 0440 2+ 150314 0801 1- 150314 0823 1 150314 1154 1+ 150314 1326 1- 150314 1344 1- A141 - QUAL 150314 1740 1- A141 - FLA 150314 1740 1- A141 - FLA 150314 1741 1- A141 - FLA 150314 1835 2 150314 1843 1+ 150314 2023 1- A141 - QUAL 150314 2041 1- A141 - XRA 150314 2253 2 A125 - QUAL 150314 2333 2+ A125 - QUAL 150315 0213 2+ A122 - XRA 150315 0940 1+ 150315 1021 1- 150315 1149 2+ 150315 1202 2+ 150315 1306 1- 150315 2030 1- A141 - QUAL 150315 2030 1 A141 - QUAL 150315 2100 2 A141 - QUAL 150315 2101 1 A141 - QUAL 150315 2240 2+ 150315 2322 2+ A122 - QUAL 150315 2350 1+ A138 - QUAL 150316 0946 1+ 150316 1052 2 150316 1100 2+ 150316 1109 3 150316 1355 1 150316 1802 1- A141 - XRA 150316 2015 1 150316 2049 2 150317 0845 2 150317 1242 1- A125 - QUAL 150317 1300 1 A125 - QUAL 150317 1419 1- A125 - QUAL 150317 1516 1 150317 1633 1- 150317 1652 1+ A125 - QUAL 150317 1714 1- 150317 1734 1- 150317 2114 1 A125 - QUAL 150318 0359 2 A122 - XRA 150318 0408 3 A120 - XRA 150318 0654 2 150318 0700 2 150318 0749 1+ 150318 0935 1- A136 - FLA 150318 0951 1 150318 1025 1+ 150318 1032 2 150318 1120 1 A131 - XRA 150318 1229 1- 150318 1255 1- A136 - FLA 150318 1314 2 150318 1425 1- 150318 1500 2 150318 1529 2 150318 1610 1- 150318 1626 1+ 150318 1646 3+ 150318 1703 2 A125 - QUAL 150318 1748 3 A125 - XRA 150318 1950 2+ A125 - QUAL 150318 2158 2 150318 2218 2 A125 - QUAL 150319 0823 1 150319 1233 2+ A136 - QUAL 150319 1424 2+ A125 - QUAL 150319 1555 2 150319 1653 2 A125 - QUAL 150319 1740 2 150319 1827 2+ A125 - QUAL 150319 1948 3+ A125 - QUAL 150319 1956 1+ A125 - QUAL 150319 2023 2+ A125 - QUAL 150319 2106 2+ A125 - QUAL 150320 0134 3 150320 0932 3 150320 1400 2+ A125 - QUAL 150320 2120 3 A125 - QUAL 150320 2159 3+ A125 - QUAL 150321 0743 2 150321 1858 2 150321 2033 3 A125 - QUAL 150322 1951 2+ 150322 2109 2+ A125 - QUAL 150322 2117 2+ A125 - QUAL 150323 0911 1 150323 1615 2+ A125 - QUAL 150323 1621 2+ A125 - QUAL 150323 1933 1+ 150323 2046 2+ A125 - QUAL 150323 2229 2+ A125 - QUAL 150324 0600 1+ A134 - XRA 150324 1704 2+ 150324 1729 2 A125 - QUAL 150324 2057 2 A125 - QUAL 150324 2146 1 A125 - QUAL 150324 2155 1+ A125 - QUAL 150325 0148 2 150325 0446 2+ 150325 0723 2 A141 - XRA 150325 0832 1- 150325 1640 1+ 150326 0026 3 150327 1243 1- A118 - XRA 150327 1326 3 A141 - FLA 150327 1453 2+ A141 - QUAL 150327 1509 1- 150328 0525 2 A134 - XRA 150328 0532 1+ A120 - XRA 150328 0555 2+ A141 - QUAL 150328 0945 1- A143 - QUAL 150328 1607 1- 150328 2052 1- A94 - QUAL 150329 1045 1+ 150329 1135 1+ A143 - XRA 150329 1149 2+ A141 - QUAL 150329 1211 1 150329 1238 1- 150329 1324 1- 150329 1530 1 150329 1536 1+ 150330 1256 1+ 150330 1533 1- ************************************************** Importance Summary - Mar 2015 1- events: 68 1 events: 32 1+ events: 40 2 events: 56 2+ events: 47 3 events: 13 3+ events: 5 ------------------ Total events: 261