What is typhoon windshield? level 7, level 10, level 12?

The meaning of wind circle radius and defense guidelines.

What is wind.

The wind circle is an indicator of the range of Typhoon wind impacts, indicating the range of radius that a particular Wind Scale wind may affect from the center of Typhoon toward.

• Level 7 wind circle (≥ 13.9 m/s) Strong winds affect the area. branches broken, difficulty walking, dangerous operations at sea.
• Level 10 wind circle (≥24,5 m/s) : Strong wind damaged areas. trees can be blown down, building easily damaged.
• Level 12 wind circle (≥32.7 m/s)The destruction force is great, it requires strict defense.

The four-dimensional radius

The wind circle typically gives the NE, SE, SW, NW four different symbols of radius (Typhoon structure is asymmetrical), such as the 7th grade wind circle radius NE 300 km, SW 200 km.

How to Use Wind Circles to Assess Effects

当你所在PositionGo to Typhoon 7 级风圈范围, 就会感受到明显大风; Go to 10 级风圈应Stop户外活动; 12 级风圈内需做好最高等级防御. 在TyphoonSays地图上, 风圈以同心多边形展示, 可直观View 自己是否在影响范围内.