注意直线风
How to stay safe from these winds that can severely damage homes, landscapes and people.
Severe thunderstorms can create 直线风 in excess of 58 mph. These winds can pack a major punch, uprooting trees and knocking down power lines. Learn more about damaging 直线风 and how to stay safe.
什么是直线风?
直线风可以有多种形式. 两种常见的类型是:
- 下击暴流: A strong downward current that bursts outward on or near the ground. 风速可超过每小时165英里.
- Derecho: A system of merged thunderstorms up to 65 miles wide that travels in a straight line, causing wind damage across an area of at least 240 miles. 风速最高可达每小时100英里.
Straight line winds can cause the same level of damage as tornadoes, but they lack the atmospheric rotation to form a funnel. The aftermath will show the difference: If downed trees and other kinds of debris are in parallel rows, 这意味着 直线风. 龙卷风造成的破坏更为零星.
如何远离直线风
直线风安全似 龙卷风安全. Keep these tips in mind the next time your area has a severe thunderstorm warning:
- Find shelter immediately — or crouch down in the lowest spot you can find.
- Bring in or secure anything that's loose outside, such as lawn furniture, toys and bicycles.
- 远离树木和电线.
- Go to the lowest level of your home and stay away from windows.
- If you're driving, pull over to a safe area with your 车辆 in the direction of the wind.
访问 简单的见解® for more information about different types of bad weather.
