Traditional Culture Encyclopedia - Weather inquiry - What is the sign of stroke in the weather forecast?
What is the sign of stroke in the weather forecast?
Represented by wind vector, it consists of wind stems and wind plumes.
Wind handle: indicates the direction of the wind, with 8 directions.
Wind feather: 3 or 4 short strokes and triangles indicate strong wind, perpendicular to the right side of the wind pole (northern hemisphere).
1- secondary: 1 vertical line 1 horizontal line
Grade 3-4: 1 vertical line and 2 horizontal lines
Layer 5-6: 1 vertical line 3 horizontal line
Grade 7-8: 1 vertical bar 4 horizontal bar.
Above level 8: 1 vertical bar 1 triangle is like a small flag.
wind scale
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