| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what was the strongest tornado | 1.1 | 0.8 | 2412 | 25 |
| what was the strongest tornado ever recorded | 1.45 | 0.3 | 7211 | 100 |
| what was the strongest tornado in history | 0.93 | 1 | 6979 | 42 |
| what was the strongest tornado in the world | 1.51 | 0.4 | 9393 | 6 |
| what was the strongest tornado in usa | 0.17 | 0.5 | 8937 | 53 |
| what was the strongest tornado in canada | 0.35 | 0.1 | 6922 | 1 |
| strongest tornado ever recorded | 1.65 | 0.2 | 2381 | 79 |
| what was the strongest tornado ever | 1.16 | 0.3 | 556 | 79 |
| colorado strongest tornado | 1.32 | 0.3 | 4218 | 47 |
| what was the strongest tornado in us history | 0.95 | 1 | 4155 | 81 |
| what was the strongest tornado recorded | 0.89 | 1 | 7861 | 28 |
