DigitalDan.co.uk - Crib Beaufort & Fujita Wind Strength
| Beaufort | Fujita | |||
| 0 | 0-1 km h-1 | F0 | 64-115 km h-1 | |
| 1 | 1-5 km h-1 | F1 | 116-179 km h-1 | |
| 2 | 6-11 km h-1 | F2 | 180-251 km h-1 | |
| 3 | 12-19 km h-1 | F3 | 252-330 km h-1 | |
| 4 | 20-28 km h-1 | F4 | 252-330 km h-1 | |
| 5 | 29-38 km h-1 | F5 | 415-509 km h-1 | |
| 6 | 39-49 km h-1 | |||
| 7 | 50-61 km h-1 | |||
| 8 | 62-74 km h-1 | |||
| 9 | 75-87 km h-1 | |||
| 10 | 88-102 km h-1 | |||
| 11 | 103-117 km h-1 | |||
| 12 | 118+ km h-1 | |||
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