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Feb 27, 2024 · The wind can blow, sometimes violently. Meteorologists use the Beaufort Wind Scale to measure the force of wind. The scale starts at 0, which is a calm breeze, and ends at 12, which is hurricane-force wind that speeds along at more than 64 miles per hour (102.9 kilometers per hour).
- Is Humid Air Heavier Than Dry Air
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Light Air. 1 to 3 mph. Direction of wind shown by smoke drift, not by wind vanes. Little if any movement with flags. Wind barely moves tree leaves. 2. Light Breeze. 4 to 7 mph. Wind felt on face.
It would take at least a 70 mph wind to overcome the force of gravity, and even then, that's assuming the wind keeps pushing on you with your body turned to face it (or away from it), not sideways. Hard thing to guarantee given how the body is likely to tumble or spin.
- How Would Temperature Differences Make The Wind Blow?
- Different Temperatures Lead to Different Pressures
- Here Comes The Wind!
- But Why Does The Air Move at All?
The gases that make up our atmosphere do interesting things as the temperatures change. When gases warm up, the atoms and molecules move faster, spread out, and rise. That’s why steam coming off a pot of boiling water always goes upward. When air is colder, the gases get slower and closer together. Colder air sinks. The sun warms up the air, but it...
Since gases behave differently at different temperatures, that means you also get pockets with high pressure and pockets with low pressure. In areas of high pressure, the gases in the air are more crowded. In low pressure zones, the gases are a little more spread out. You might think that the warm air would lead to a higher pressure area, but actua...
Now we’re getting to the part where wind happens. Gases move from high-pressure areas to low-pressure areas.And the bigger the difference between the pressures, the faster the air will move from the high to the low pressure. That rush of air is the wind we experience.
You might be wondering why the air would move from high pressure to low pressure in the first place. This is something that happens in nature all the time: things always try to even out. It’s called diffusion. Even people do it! When people get onto a bus, do they all sit on the same side of the bus first? Do strangers sit next to each other when t...
May 8, 2024 · The wind has two components to measure: its speed and direction. The speed of the wind tells us how fast it’s going, and the direction tells us where the wind is coming from. Wind speed is measured by an anemometer, and wind direction by a wind vane.
Why Does the Wind Blow? - YouTube. #Wind is a part of weather that we’ve all experienced at one time or another. And whether it’s a welcome breeze on a hot day, or a destructive gust during a...
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- NOAA SciJinks
Winds occur on a range of scales, from thunderstorm flows lasting tens of minutes, to local breezes generated by heating of land surfaces and lasting a few hours, to global winds resulting from the difference in absorption of solar energy between the climate zones on Earth.
