AAVSO Sudden Ionospheric Disturbance Report May 2016 Observers: A118 A119 A120 A122 A125 A131 A134 A136 A138 A141 A142 A143 A146 A147 A94 A97 YYMMDD Event Peak Importance 160501 0204 2+ A122 - XRA 160501 0921 1 160501 2327 2 A120 - QUAL 160502 0842 1+ 160503 1535 1 160504 1352 1+ A119 - XRA 160504 2248 2+ A122 - XRA 160505 0918 2 160505 2221 1 A146 - XRA 160507 1113 2 160507 1715 1 160507 1716 1 A141 - XRA 160511 1109 2+ A141 - XRA 160511 1109 2+ A141 - XRA 160513 1614 1- A147 - XRA 160514 0931 2 160514 0940 2+ 160514 1135 2 160514 1521 2 160514 1526 2 A141 - XRA 160514 1736 1- A147 - XRA 160514 1926 1- A147 - XRA 160515 0400 2+ 160515 0410 2 160515 0503 1 160515 0824 1 160515 0831 2 160515 0930 2 A147 - QUAL 160515 0930 2 A147 - QUAL 160515 0953 1- A119 - XRA 160516 1525 1 160516 1535 1+ A141 - XRA 160517 0408 2 A134 - XRA 160517 1351 2+ A141 - QUAL 160517 1402 1+ A141 - QUAL 160521 1400 1+ 160524 1021 1 160524 1521 1 A118 - QUAL 160524 1521 1 A118 - QUAL 160526 1337 1- A131 - XRA 160526 1338 1- A131 - XRA 160526 1351 1- A131 - XRA 160529 0640 3 160530 0738 1- A119 - XRA 160530 1325 1- A131 - XRA ************************************************** Importance Summary - May 2016 1- events: 9 1 events: 11 1+ events: 5 2 events: 12 2+ events: 7 3 events: 1 3+ events: 0 ------------------ Total events: 45