1, tropical depression, the maximum wind speed is 6 ~ 7, (10.8 ~ 17. 1 m/s).
2. Tropical storm with maximum wind speed of 8-9, (17.2-24.4m/s).
3. Strong tropical storm with maximum wind speed 10 ~ 1 1, (24.5 ~ 32.6m/s).
4. Typhoon, maximum wind speed 12 ~ 13, (32.7 ~ 4 1.4m/s).
5. Strong typhoon with maximum wind speed14 ~15 (41.5 ~ 50.9 m/s).
6. Super typhoon with maximum wind speed ≥ 16 (≥ 5 1.0m/s).
Extended data:
Guide to typhoon prevention:
First, typhoon blue warning signal
1. The government and relevant departments should prepare for typhoon prevention according to their duties.
2. Stop outdoor collective activities and dangerous outdoor operations such as high altitude.
3. Take active measures for water operations and passing ships in relevant waters, such as returning to Hong Kong to avoid the wind or detour.
4, strengthen the doors and windows, boards, scaffolding, billboards and other structures easily blown by the wind, cut off the dangerous outdoor power supply.
Second, the typhoon yellow warning signal
1. The government and relevant departments shall prepare for typhoon emergency according to their duties.
2. Stop large-scale indoor and outdoor gatherings and dangerous outdoor operations such as high altitude.
3. Take active measures for water operations and passing ships in relevant waters, strengthen port facilities, and prevent ships from anchoring, grounding and collision.
4. Reinforce or dismantle structures that are easily blown by the wind. Personnel should not go out at will, ensure that the elderly and children stay in the safest place at home, and the dangerous house personnel will be transferred in time.
Baidu Encyclopedia-Typhoon (Meteorological Term)
Baidu Encyclopedia-Typhoon Level