风力等级英文详解，了解风力等级的英文表达对于气象学爱好者和航海者来说至关重要。本文将详细介绍风力等级的英文名称及其对应的数值，帮助你在沟通天气预报或海上航行时更为准确无误。让我们一起探索这个科学的分级系统。
一、Beaufort Scale - 风力等级标准
The Beaufort Scale, named after Sir Francis Beaufort, a British hydrographer, is a widely recognized international system for categorizing wind speeds based on observed effects on the sea and land. It was first introduced in 1805.
1. Calm (0)
No visible movement of the air or water.
2. Light air (Breeze) (1)
Slight movement, ripples on water, leaves rustle.
3. Light breeze (Gentle breeze) (2)
Leafy trees sway, loose paper moves.
4. Moderate breeze (Fresh breeze) (3)
Small branches move, loose sand moves.
5. Strong breeze (Fierce breeze) (4)
Larger branches sway, small twigs break.
6. High wind (Strong gale) (5)
Whole trees sway, loose objects fly.
7. Near gale (Hard gale) (6)
Trees bend, some damage to unsecured objects.
8. Gale (Strong storm) (7)
Large trees down, considerable damage.
9. Storm (Violent storm) (8)
Damage to buildings, trees uprooted.
10. Hurricane (Cyclone) (9-12)
Devastating destruction, catastrophic winds.
二、Wind Speeds in Metres per Second (m/s)
The Beaufort Scale also provides wind speeds in meters per second, which are commonly used in meteorology:
- 0 - 0.2 m/s: Calm
- 0.3 - 1.5 m/s: Light air
- 1.6 - 3.3 m/s: Light breeze
- 3.4 - 5.4 m/s: Moderate breeze
- 5.5 - 8.0 m/s: Strong breeze
- 8.1 - 10.7 m/s: High wind
- 10.8 - 13.8 m/s: Near gale
- 13.9 - 17.1 m/s: Gale
- 17.2 - 20.7 m/s: Storm
- Over 20.7 m/s: Hurricane
总结
掌握风力等级的英文名称和对应的数值，不仅有助于我们理解和描述日常天气变化，也对专业领域如航海、航空和气象预报至关重要。下次遇到风起云涌的天气，你就可以自信地用Beaufort Scale来交流了。