What is the wind direction and level in the weather symbol?

The direction and grade of wind are abundant in the weather: it is represented by wind vector and consists of wind stems and wind plumes.

Wind stem:

Point out the direction of the wind, there are eight directions.

Wind feather:

Strong winds are represented by 3 or 4 short strokes and triangles, perpendicular to the right side of the wind pole end (northern hemisphere).

1- level 2:

1

Vertical bar

1

horizontal

Level 3-4:

1

Vertical bar

2

horizontal

Level 5-6:

1

Vertical bar

three

horizontal

Level 7-8:

1

Vertical bar

four

horizontal

Grade 8 or above: 1

Vertical bar

1

triangular

Like a little flag

wind scale