Quiver (arrow) plots

import earthkit.data as ekd
import earthkit.plots as ekp

data = ekd.from_source("sample", "storm_ophelia_wind_850.grib")

chart = ekp.Map(domain=[-20, 5, 40, 60])

chart.quiver(data)

chart.coastlines()
chart.land()
chart.gridlines()

chart.show()