Gale warning color grade
1, blue warning signal
It is expected that there will be windy weather in the next 24 hours, and the wind force may reach level 6 or above.
2. Yellow warning signal
It is expected that there will be windy weather in the next 24 hours, and the wind force may reach 8 or above.
3, orange warning signal
It is expected that there will be windy weather in the next 24 hours, and the wind force may reach 10 or above.
4. red warning signal
It is expected that there will be windy weather in the next 24 hours, and the wind force may reach more than 12.
5, black warning signal
It is predicted that there will be windy weather in the next 24 hours, and the wind force may reach above 17, and there may be heavy rain or big waves.
6, white warning signal
It is expected that there will be windy weather in the next 24 hours, and the wind force may reach above 20. This is a very extreme weather warning.