Wind Speeds at Different Elevations: What's the Impact?

  • Thread starter Starwatcher16
  • Start date
  • Tags
    Wind
In summary, wind speeds change as elevation increases, with higher elevations typically resulting in faster wind speeds. However, there is also a correction factor used by hurricane hunter aircraft and the exact numbers for this change are unknown. The maximum wind speed also follows a typical statistical curve, with a sudden change above 10km. At an elevation of 300 ft, there is only a marginal increase of less than 5% in wind speeds.
  • #1
Starwatcher16
53
0
How does Wind speeds change as a function of elevation?
 
Earth sciences news on Phys.org
  • #2
You mean other than by friction with with the ground?
 
  • #3
higher is faster

I know hurricane hunter aircraft use a correction factor
but have no idea what the exact numbers are
 
  • #4
http://www.centennialofflight.gov/essay/Theories_of_Flight/atmosphere/TH1G3.jpg
A typical statistical maximum wind speed curve.
Credits - NASA
http://www.centennialofflight.gov/essay/Theories_of_Flight/atmosphere/TH1G3.htm
 
Last edited by a moderator:
  • #5
Why the sudden change above 10km?
 
  • #6
So I can expect there to be only a marginal increase (like <5%) in wind speeds at an elevation of around 300 ft?
 

Related to Wind Speeds at Different Elevations: What's the Impact?

1. How does elevation affect wind speeds?

Elevation has a significant impact on wind speeds. As elevation increases, the air becomes less dense, causing the air molecules to spread out. This results in a decrease in air pressure, which in turn leads to an increase in wind speeds. Therefore, higher elevations generally experience stronger winds compared to lower elevations.

2. Can wind speeds vary at different elevations in the same area?

Yes, wind speeds can vary at different elevations in the same area. This can occur due to factors such as terrain, topography, and land use. For example, in mountainous areas, wind speeds tend to increase with elevation due to the funneling effect of the terrain, while in urban areas, buildings can disrupt and slow down wind flow at lower elevations.

3. Are wind speeds at higher elevations always stronger?

No, wind speeds at higher elevations are not always stronger. While it is generally true that wind speeds increase with elevation, this can vary depending on the specific location and weather patterns. For example, in some cases, strong winds at lower elevations can be caused by localized weather phenomena such as thunderstorms or downbursts.

4. How do wind speeds at higher elevations affect wind turbine performance?

Higher elevations can be beneficial for wind turbine performance as they typically experience stronger and more consistent winds. This leads to increased electricity production from wind turbines. However, higher elevations also pose challenges for wind turbine installation and maintenance due to harsher weather conditions and difficult terrain.

5. Is there a maximum elevation at which wind speeds can no longer increase?

Yes, there is a maximum elevation at which wind speeds can no longer increase. This is known as the tropopause, which is the boundary between the troposphere and the stratosphere. Above this elevation, wind speeds decrease due to the lack of vertical mixing and the presence of the jet stream, which can limit the development of strong winds.

Similar threads

Replies
12
Views
278
  • Mechanical Engineering
Replies
12
Views
1K
  • Classical Physics
2
Replies
40
Views
4K
  • Classical Physics
Replies
16
Views
1K
Replies
7
Views
3K
Replies
20
Views
1K
  • DIY Projects
Replies
10
Views
434
  • Special and General Relativity
Replies
29
Views
1K
Replies
15
Views
6K
Back
Top