1. What is the Beaufort Wind Scale?

Definition: The Beaufort scale is an empirical measure that relates wind speed to observed conditions at sea or on land.

Purpose: It helps in estimating wind speeds without instruments, useful for sailors, meteorologists, and outdoor enthusiasts.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( V \) — Wind speed in miles per hour (mph)
• \( B \) — Beaufort scale number (0-12)

Explanation: This formula approximates the relationship between Beaufort numbers and wind speed in mph.

3. Beaufort Scale Reference

Scale Overview:

• 0: Calm (<1 mph)
• 1-3: Light winds (1-12 mph)
• 4-6: Moderate winds (13-31 mph)
• 7-9: Strong winds (32-54 mph)
• 10-12: Storm to hurricane force (55+ mph)

4. Using the Calculator

Tips: Enter a Beaufort scale number between 0 and 12 to calculate the corresponding wind speed in mph.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the Beaufort scale?
A: It provides reasonable estimates but modern anemometers give more precise measurements.

Q2: Can I use decimal Beaufort numbers?
A: Yes, the calculator accepts decimal values between 0 and 12.

Q3: What's the difference between mph and knots?
A: 1 knot = 1.15 mph. The Beaufort scale was originally designed for knots.

Q4: Why does the scale stop at 12?
A: Originally, 12 represented hurricane force winds - the strongest winds sailors typically encountered.

Q5: How was the Beaufort scale developed?
A: It was created in 1805 by Sir Francis Beaufort of the British Royal Navy.