AAVSO Sudden Ionospheric Disturbance Report February 2016 Observers: A118 A119 A120 A122 A125 A131 A134 A136 A138 A141 A142 A143 A146 A147 A94 A96 A97 YYMMDD Event Peak Importance 160202 1429 1- A131 - QUAL 160202 1437 2 A131 - XRA 160202 2135 2+ A147 - QUAL 160203 1448 1- A97 - XRA 160203 1509 1 A146 - XRA 160203 1509 1 A146 - XRA 160203 1522 1- A97 - XRA 160203 1635 1- A97 - XRA 160204 1222 1- 160204 1441 1- 160204 1652 1- 160204 1807 1+ A146 - XRA 160204 1824 1 160205 0055 2 160205 0722 2 160205 1304 3 160205 1430 1- 160206 0311 2 A122 - XRA 160206 1940 1- A97 - XRA 160207 1036 2 A143 - XRA 160207 1200 2 160207 1212 2+ 160209 1906 1 A147 - QUAL 160209 1942 1- A147 - XRA 160210 1519 1- 160210 1910 2+ A125 - QUAL 160211 1641 2+ A97 - XRA 160211 2055 2+ 160211 2115 2 A97 - XRA 160212 0635 2+ A134 - XRA 160212 1046 2 160212 1720 1+ 160213 0831 1- 160213 1009 1- 160213 1516 2 A125 - XRA 160213 1524 1+ A141 - XRA 160213 1524 1+ 160213 1524 1+ A141 - XRA 160213 1901 1- A97 - XRA 160213 2103 1+ A147 - XRA 160214 0439 2+ A122 - XRA 160214 1024 2 160214 1030 2 160214 1201 1- 160214 1223 1- A143 - QUAL 160214 1921 1+ 160214 1927 1+ 160214 2313 1 A125 - QUAL 160215 0840 1- 160215 0935 1- 160215 0957 1- A131 - QUAL 160215 1035 3 160215 1048 1- 160215 1100 2 160215 1225 2 A146 - FLA 160215 1447 1+ 160215 1630 1+ 160215 1720 1- 160215 1752 1- 160215 1812 1- A97 - XRA 160215 1823 2+ A141 - XRA 160215 1845 1- 160215 2050 1+ A125 - XRA 160215 2050 1+ A125 - XRA 160215 2050 1+ A125 - XRA 160215 2130 1+ 160216 0159 2+ A122 - XRA 160216 0645 1- A131 - XRA 160216 0753 1- A131 - XRA 160216 1008 1 A143 - QUAL 160216 1353 1- 160216 1536 1- 160216 1554 2 160216 1653 1- 160216 1733 2+ A141 - QUAL 160216 1849 1- 160216 2043 2+ A141 - QUAL 160217 0501 3 A122 - XRA 160217 0623 1- A131 - XRA 160217 1002 1 160217 1106 1- 160217 1137 1- 160217 1237 1+ 160217 1605 1 A125 - QUAL 160217 1637 1 A125 - QUAL 160217 1815 1 160217 2019 2 160218 0158 3 A122 - XRA 160218 1650 1 A97 - XRA 160218 2023 2 A147 - XRA 160219 0019 2+ A122 - XRA 160219 0859 1 160219 2310 1+ A122 - QUAL 160224 1228 1- 160226 2150 1- A146 - XRA 160227 0555 2+ 160229 1732 1- A147 - QUAL 160229 1732 1- A147 - QUAL ************************************************** Importance Summary - Feb 2016 1- events: 37 1 events: 12 1+ events: 16 2 events: 16 2+ events: 13 3 events: 4 3+ events: 0 ------------------ Total events: 98