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Converter for wind directions

wind direction and wind speed:

90° corresponds to wind from east, 180° from south, 270° from west and 360° wind from north. 0° is used for no wind.
wind speed in m/s
wind direction in degree
wind direction, compass in 32 parts

wind vectors:

u (from west to east) in m/s
v (from south to north) in m/s

This is a converter for wind measurements, which are either available with values for the direction and the speed or with values for the vectors. Type the pair of values into the fields, behind which you find the suitable description. Click on the corresponding button and read the results in the other fields. Use the "delete" button to delete your calculation.

Examples: What is the size of the wind vectors of north easterly wind with a wind speed of 4 m/s ? Type "45" into the field for the wind direction (degrees) and "4" into the field for the wind speed. Click on the upper "calculate" button behind the wind direction in degrees and read the results (u = -2.8284 m/s, v = -2.8284 m/s)
What is the wind direction and wind speed of vectors of u = 3 m/s, v = -3 m/s ? Type "3" into the field for u ad "-3" into the field for v. Click on the lower "calculate" button and read the results (northwesterly wind, 315 degree, 4.2426 m/s windspeed)

Hint: In cases when the wind speed is not available in m/s you may type values in other units. However, the vectors will be calculated in these units also. Alternatively you may convert the wind speeds with the speed converter.

- All results have been rounded to 5 significant digits.
- Large and small numbers are written exponentially. As example 2.3e5 = 2.3⋅105 = 230000 or 4.5e-5 = 4.5⋅10-5 = 0.000045.
- There is no warranty for the conversion. Cactus2000 is not responsible for damage of any kind caused by wrong results.
- Please send an email if you have suggestions or if you would like to see more conversions to be included.

© Bernd Krüger, 05.03.2001

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Bernd Krüger, 2022