| between ground | 6 | location |
| from thunderstorms | 4 | other |
| exactly | 3 | degree |
| lightning → be → formed | 21 |
| lightning → be → produced | 17 |
| lightning → be → generated | 11 |
| lightning → be → created | 9 |
| lightning → be → made | 4 |
| negative | neutral | positive |
| 0.162 | 0.716 | 0.122 |
| Raw frequency | 62 |
| Normalized frequency | 0.736 |
| Modifier score | 1.000 |
| Perplexity | 202.422 |