| number | name | speed (mi/hr) |
|---|---|---|
| 0 | calm | 0 |
| 1 | light air | 1-3 |
| 2 | light breeze | 4-7 |
| 3 | gentle breeze | 8-12 |
| 4 | moderate breeze | 13-18 |
| 5 | fresh breeze | 19-24 |
| 6 | strong breeze | 25-31 |
| 7 | moderate gale | 32-38 |
| 8 | fresh gale | 39-46 |
| 9 | strong gale | 47-54 |
| 10 | whole gale | 55-63 |
| 11 | storm | 64-74 |
| 12 | hurricane | >74 |
| 1 | category one | 74-95 |
| 2 | category two | 96-110 |
| 3 | category three | 111-130 |
| 4 | category four | 131-155 |
| 5 | category five | > 155 |