What is the sign of the wind?

Generally, the foot of an "F" indicates the wind direction, which direction indicates which direction the wind blows, and symbols similar to ribbons indicate the wind force, each long ribbon indicates the secondary wind, and the short ribbon indicates the primary wind. For example, three ribbons represent a six-level wind, two long ones represent a five-level wind, but four long ones represent a seven-level wind.

Another sign, the red flag, will be used when representing winds of magnitude 8 or above.

Extended data

In 200 1 year, the China Meteorological Bureau issued the Regulations on Typhoon Operation and Service, which added typhoons above 12 to 17 and adopted Beaufort scale. /typhoon kloc-0/2, set at 32.4-36.9 m/s; The grade 13 is 37.0-41.4m/s.

14 is 4 1.5-46. 1 m/s, 15 is 46.2-50.9 m/s, 16 is 51.0-56. Typhoon Qionghai 30 years ago, the maximum wind force near the center was 73m/s, which exceeded the highest standard of 17. It is called 17 or above, and it is also a general statement about super typhoon in the international maritime community.

Baidu Encyclopedia-Level of Wind