Im wondering how is average wind direction/bearing calculated, what is the formula?
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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
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(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
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avg wind formula?
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TgT
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avg wind formula?
Hei!
Im wondering how is average wind direction/bearing calculated, what is the formula?

Im wondering how is average wind direction/bearing calculated, what is the formula?

- steve
- Cumulus Author
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Re: avg wind formula?
It takes the wind direction and speed for the last 10 minutes (or other interval as configured), calculates the sums of the N/S and E/W vector components, divides the E/W component sum by the N/S component sum, and takes the arctan.
Steve