Convert wind direction between compass degrees and named bearings.
由风向角度(°)映射到 16 方位罗盘名称(如 N、NE、SSW)。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Wind direction | Direction = where wind comes from | WMO No.8 §5 |
| 16-point compass | 22.5° increments | WMO No.8 |
| Azimuth conversion | 0 N, 90 E, 180 S, 270 W | Observation specs |
| u-v components | u = −V sinθ, v = −V cosθ | Vector decomposition |
| Beaufort scale | 0–17 scale | GB/T 28591-2012 |
| Surface wind | 10 m height, 10-min mean | WMO No.8 |