Hi all, I am trying to get data from ERA5 on wind speed and direction at 100 m. I would like to know how the monthly datasets are derived, compared to the hourly datasets : is it the mean values (at each lcoation point) of the u and v wind component (10 min time steps) averaged on a month ? In…

Hi Xiaobo, I was trying to open 'ERA5: How are the 100m winds calculated?'. Unfortunately, the article seems to be not available anymore. Do you know where to receive a copy of it or where to find a new article about this topic? Thanks, Ron

Sorry Ron, the link was updated. Xiaobo

Hi Julien, In ERA5 reanalysis data, the monthly means have been calculated from the hourly values. The monthly mean wind components are averages of the hourly wind components. The speed of these monthly mean components is not equal to the monthly mean wind speed. There is an article about this for …

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ERA5 monthly data

Datasets and Usage C3S - Datasets and Usage

Xiaobo_Yang 15 July 2019 13:21 2

Hi Julien,

Please see the updated link ERA5: How are the 100m winds calculated?

Thanks,

Xiaobo