Table 2 The statistics of occurrence of PP events
From: Prompt penetration effects on Equatorial Electrojet from the Indian sector
Year | Total days | PP days | Days with No Ey fluctuations | Days with Ey variations and No PP | PP when Kp*10 < 30 | PP when Kp*10 > 30 | |
|---|---|---|---|---|---|---|---|
VEN | 2011 | 228 | 29 | 5 | 194 | 23 | 6 |
2012 | 241 | 58 | 29 | 156 | 28 | 29 | |
2013 | 335 | 77 | 45 | 218 | 36 | 36 | |
2014 | 184 | 48 | 19 | 118 | 42 | 6 | |
2015 | 290 | 109 | 17 | 169 | 50 | 54 | |
Total | 1270 | 321 | 115 | 855 | 130 | 180 | |
CBY | 2015 | 231 | 97 | 12 | 111 | 35 | 62 |
MNC | 2015 | 290 | 104 | 17 | 169 | 36 | 68 |