How to calculate the hourly wind speed

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The hourly wind speed from the KNMI weather data table column FH has to be divided by 10, since it is defined in 0.1 m/s.

Tutorial hourly wind speed (Heat Overlay).png

Column Name Unit Dutch Description
2/B YYYYMMDD Date datum (YYYY=jaar,MM=maand,DD=dag)
3/C HH Hour tijd (HH=uur, UT.12 UT=13 MET, 14 MEZT. Uurvak 05 loopt van 04.00 UT tot 5.00 UT
4/D DD Degrees Windrichting (in graden) gemiddeld over de laatste 10 minuten van het afgelopen uur (360=noord, 90=oost, 180=zuid, 270=west, 0=windstil 990=veranderlijk. Zie http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken
5/E FH 0.1 m/s Uurgemiddelde windsnelheid (in 0.1 m/s). Zie http://www.knmi.nl/kennis-en-datacentrum/achtergrond/klimatologische-brochures-en-boeken

Notes

See also