Table 1 Wind scale classification.

From: Statistical characteristics of the spatial distribution of wind and snowfall in the Beijing–Tianjin–Hebei Region

Wind scale

Wind speed (m/s)

Wind scale

Wind speed (m/s)

Wind scale

Wind speed (m/s)

0

0.0–0.2

6

10.8–13.8

12

32.7–36.9

1

0.3–1.5

7

13.9–17.1

13

37.0–41.4

2

1.6–3.3

8

17.2–20.7

14

41.5–46.1

3

3.4–5.4

9

20.8–24.4

15

46.2–50.9

4

5.5–7.9

10

24.5–28.4

16

51.0–56.0

5

8.0–10.7

11

28.5–32.6

17

≥ 56.1

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