Calculate wind speed using a windsock

Here's how to calculate wind speed using a windsock:

1. Consider the Windsock Stripes:

Some windsocks have colored stripes along their length. Each stripe typically represents an additional 3 knots of wind speed. So, if two stripes are fully inflated and horizontal, the wind speed is roughly 6 knots (3 knots per stripe).

2. Observe the Windsock's Angle:

The angle of the windsock relative to the mounting pole is the primary indicator of wind speed. The higher the angle, the stronger the wind. Here's a general guideline:

Fully extended: Wind speed exceeds 15 knots (28 km/h). The windsock will be completely horizontal, like a pointing finger. Three-quarters extended: Wind speed is around 12 knots (22 km/h). The windsock will be at a 45-degree angle.

One-half extended: Wind speed is around 9 knots (17 km/h). The windsock will be at a 30-degree angle.

One-quarter extended: Wind speed is around 6 knots (11 km/h). The windsock will be at a 15-degree angle. Closed: Wind speed is below 3 knots (6 km/h). The windsock will hang limply with minimal inflation.

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