and direction, as well as air temperature, from the IMO operational surface station
net-
work. Most anemometers are installed at 10 m above ground level (mAGL). However, at some
stations, surface winds are measured at different heights, h, varying between 4.0 and 18.3 m.
3This is done using a GRIB-API command on Parameter 141 (snow depth) in the earliest boundary
data file: grib_set -f -d 0.0 -w
/media/vedurstofan/utgafa/skyrslur/2014/VI_2014_005.pdf