AAVSO Sudden Ionospheric Disturbance Report February 2015 Observers: A118 A120 A122 A125 A131 A134 A136 A138 A143 A144 A94 YYMMDD Event Peak Importance 150201 0231 1 A134 - QUAL 150201 0436 2+ A122 - XRA 150201 0641 1- A134 - XRA 150201 0647 2+ A120 - XRA 150201 1132 1- 150201 1156 1+ 150201 2014 2+ A144 - QUAL 150201 2152 1 150202 1051 1 A118 - QUAL 150203 0948 1- 150203 1052 1- 150204 1008 1- A131 - XRA 150205 0952 1 150206 0838 2+ 150206 1152 2 150206 1658 1+ 150206 2153 3+ A125 - QUAL 150207 1154 1+ 150207 1939 1+ A94 - XRA 150208 2035 2 A138 - QUAL 150209 1832 1 A94 - FLA 150209 2235 2+ A138 - XRA 150209 2334 2+ 150210 0113 1 A134 - QUAL 150210 0202 2 150210 0331 1 A122 - XRA 150210 0422 1+ 150210 0838 1- A143 - XRA 150210 0844 1- A122 - XRA 150210 1131 2+ 150210 2225 2+ A125 - QUAL 150212 0208 2 A134 - XRA 150212 0215 2+ 150212 1258 1 150212 1405 1 A138 - XRA 150214 0946 2+ 150214 1301 2+ 150214 2220 3+ A125 - QUAL 150215 1446 3 A125 - QUAL 150215 2018 1- A125 - QUAL 150218 2208 1+ 150219 1459 2+ A125 - QUAL 150219 1600 2+ A125 - QUAL 150220 0929 1- A136 - FLA 150220 1509 1- 150221 0334 1+ 150221 0504 1+ 150221 1048 2 150221 1144 2+ 150221 1926 2+ 150225 2038 3+ A125 - QUAL 150226 1501 3+ A125 - QUAL 150227 1500 2 A125 - QUAL 150228 0532 2 150228 0940 2+ 150228 1340 1- 150229 1000 1 A143 - QUAL 150229 1044 1 A143 - QUAL 150229 1146 2+ 150229 1228 1- 150230 1219 2+ ************************************************** Importance Summary - Feb 2015 1- events: 12 1 events: 11 1+ events: 8 2 events: 7 2+ events: 18 3 events: 1 3+ events: 4 ------------------ Total events: 61