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| Definition | Proportion of ice covering a water grid box. The values are between 0 (sea) and 1 (ice). |
| Validity | Daily mean averaged |
| Comment | Computed from instantaneous values at 00, 06, 12 and 18 Z |
A description of how to code daily mean fields in GRIB2 is available here
A description of how to code re-forecasts in GRIB2 is available here
A description of how to code the data as S2S is available here
| 18Z |
| Parameter | |||
|---|---|---|---|
| GRIB 2 | Discipline | = 10 | Oceanographic products |
| Parameter Category | = 2 | Ice | |
| Parameter Number | = 0 | Ice cover | |
| Level | ||||
|---|---|---|---|---|
| Type of first fixed surface | = 1 | Ground or water surface | ||
| Scale factor of first Type of second fixed surface | = All 1'sall bits to 1 | Missing | ||
| Scaled value Scale factor of first fixed surface | = All 1'sScale factor all bits to 1 | Missing | ||
| Type of second fixed surface | = | All 1'sall bits to 1 | Missing | |
| Scale factor of second | Scaled value of firstfixed surface | = | All 1'sall bits to 1 | Missing |
| Scaled value of second fixed surface | = | Allall bits to 1 | 'sGRIB 2 and C-code for: Perturbed forecast, Control forecast, Perturbed re-forecast and Control re-forecastMissing | |