Table 2 Details of storm days
S.N | Date | Storm type | Min Dst index nT | Min Dst index time UT | Max AE index nT | Max AE index time UT | Solar flare | Max VTEC Storm day Bangalore TECU | Occurrence time UT | Max VTEC Storm day Hyderabad TECU | Occurrence time UT |
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 01-03-2015 | Moderate | −46 | 9 | 649 | 8 | C 6.8 | 85.34 | 8 | 97.7 | 8:70 |
2 | 02-03-2015 | Moderate | −55 | 9 | 725 | 9 | M1.2 | 83.87 | 10 | 92.7 | 10:30 |
3 | 17-3-2015 | Severe | −222 | 23 | 9781 | 20 | M1.0 | 86.82 | 11:30 | 88.6 | 11:02 |
4 | 19-3-2015 | Moderate | −88 | 1 | 1134 | 13 | C2.2 | 78.633 | 11:37 | 85.5 | 12 |
5 | 21-3-2015 | Moderate | −57 | 1 | 561 | 1 | C1.7 | 73.64 | 11.04 | 83 | 10:57 |
6 | 22-3-2015 | Moderate | −43 | 15 | 1078 | 8 | C1.3 | 82.41 | 10:47 | 92.52 | 10:52 |
7 | 16-4-2015 | Moderate | −79 | 23 | 1082 | 21 | C5.7 | 90 | 9.5 | 110 | 10 |
8 | 22-6-2015 | Severe | −121 | 22 | 1636 | 19 | M6.6 | 42.5 | 8 | 42.5 | 8 |
9 | 23-6-2015 | Intense | −204 | 5 | 614 | 2 | C1.9 | 55 | 13 | 55.5 | 13 |
10 | 20-12-2015 | Intense | −155 | 22 | 1396 | 13 | C6.0 | 52.5 | 8 | 52.5 | 9 |
11 | 21-12-2015 | Moderate | −148 | 2 | 681 | 1 | M2.8 | 45.5 | 9 | 45 | 8 |
12 | 31-12-2015 | Moderate | −93 | 23 | 1373 | 13 | B2.8 | 42.5 | 9 | 48 | 9 |