How is wind speed recorded?

Answer 1

Wind Speed by Anemometer

Wind speed is usually measured by an anemometer, using the Beaufort wind force scale which is a scale of 0-12. Details of the physical conditions by which the modern Beaufort scale is determined can be found at the website link below.

Specific wind speeds are used to define cyclones and hurricanes, and may be measured in knots (nautical mile/hour), miles per hour or kilometers/ hour.

Wind Energy Generation

If measuring wind speed for wind turbines, it is necessary to use a wind logger, which is a recording device used to anticipate the speed and duration of winds. The logger should meet the following criteria:

• Able to record wind direction into a minimum of 16 bins (or wind directions, e.g. NNE, SSW)
• Able to store historical data of the wind, as opposed to just the average wind speed for a month or for a year
• Record average wind speed at least once per minute for small scale wind turbines, or once every 10 minutes for large scale wind turbines.
• Logging at different heights
• Compute standard deviation or variations in the wind (this is very useful since wind may be very very calm 75% of the time yet much higher 25% of the time.

To find out how much time a wind turbine will be producing power, look into how many hours of good wind a site has. There are charts comparing energy availability using the typical mean average method, and counting the number of hours at different wind speeds.

(see related link)

Anemometer

Answer 2

The first instrument for measuring the speed of the wing was invented in 1667 by Robert Hooke. The instrument is called an anemometer. There are many kinds of anemometers, but the most common type now used has a number of aluminum cups on a spindle. They are free to turn with the wind, and the harder the wind blows, the faster the cups will turn. By calculating the number of turns made by the cups in a given time, the speed of the wind may be calculated.

When men began to fly, it was necessary to measure the winds at high altitudes. This was done by sending weather balloons up into the atmosphere and watching them with a special kind of telescope called a theodolite. But this wasn't much good when clouds hid the balloon. In 1941, weather radar was invented. And now a radar set can observe the balloon even through clouds and measure the winds in the upper air.

Answer 3

There are many ways that wind speed is recorded. Most recording sites use an anemometer which has either cups, propellers or a sonic wave device exposed to the free wind to measure the movement of the atmosphere. Speeds are often averaged for one to two minutes and up to 10 minutes depending on the purpose. Gusts are often measured within an average as a 3 or 5 second average depending where at in the world you are located. Wind speed is measured in a variety of units including miles per hour, kilometers per hour, meters per second, nautical miles per hour (knots), and even miles per day. Some stations still use a paper strip chart to record the wind speed but most have switched to electronic records that are displayed on a screen.hi

Answer 4

Carefully :D

No, actually typically it would be done with tools such as an anemometer to measure the wind speed, and a variety of other tools, electric or manual, to determine it more exactly.

Answer 5

in miles per hour

Answer 6

Using an instrument called an anemometer.