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Wind strength chart
| Wind Speed | Description |
|---|---|
| 1-3 mph | Calm, smoke rises vertically. |
| 4-7 mph | Smoke shows wind direction, vanes do not move. |
| 8-12 mph | Wind felt on face, leaves rustle, vane slowly moves. |
| 13-18 mph | Leaves and small branches move, light flags extend. |
| 19-24 mph | Leaves rise up and braches move, flags are flapping. |
| 25-31 mph | Small trees sway, flags flap and ripple. |
| 32-38 mph | Large branches in motion, whistling heard in the air. |
| 39-46 mph | Whole trees in motion, resistance while walking against wind. |
| 47-54 mph | Whole trees in motion, strong resistance while walking against wind. |
| 55-63 mph | Slight structural damage, weak shingles blow off roof. |
| 64-72 mph | Trees uproot and break, heavy structural damage to buildings. 73+ mph - Look out!! Be somewhere else! |