# Metview Macro

rh = read("relative_humidity.grib")

field_name       = grib_get_string(rh[1], 'name')
field_valid_date = grib_get_string(rh[1], 'validityDate')
field_level      = "<grib_info key='level'/>"

title_text = field_name & ' ' & field_valid_date & ' at level ' & field_level
print(title_text)

title = mtext(text_line_1: title_text)

plot(rh, title)
