| over large cities | 10 | location |
| extremely | 4 | degree |
| lightning → be → frequent | 16 |
| lightning → be → common | 11 |
| lightning → be → common occurrence | 4 |
| lightning → be → prevalent | 3 |
| negative | neutral | positive |
| 0.298 | 0.551 | 0.151 |
| Raw frequency | 34 |
| Normalized frequency | 0.590 |
| Modifier score | 0.500 |
| Perplexity | 187.885 |