less than
10/10
9+
10/10 10
Undetermined or unknown x
Concentration (C)
C – Total concentration of ice in the area, reported in tenths (see symbols in table 3.1).
Note: Ranges of concentration may be reported.
Ca Cb
Cc – Partial concentrations of thickest (Ca), second thickest (Cb) and third thickest (
Cc)
ice, in tenths.
Note: Less than 1/10 is not reported. 10/10 of one stage of development
/media/hafis/frodleikur/ice-chart_colour-code-standard.pdf