Local definition 2: Cluster means and standard deviations

Octets Key Type Contents
41 localDefinitionNumber unsigned ECMWF local GRIB use definition identifier 2 = Cluster means and standard deviations.
42 class codetable Class
43 type codetable Type
44-45 stream codetable Stream
46-49 experimentVersionNumber ksec1expver Version number or experiment identifier. (4 ASCII characters, right justified)
50 clusterNumber unsigned Cluster number.
51 totalNumberOfClusters unsigned Total number of clusters.
52 Spare (set to zero)
53 clusteringMethod unsigned Clustering method: 1 = Maximum linkage method 2 = Mixed method 3 = Small linkage method
54-55 startTimeStep unsigned Start time step considered when clustering. (Same units of time as forecast timesteps.)
56-57 endTimeStep unsigned End time step considered when clustering. (Same units of time as forecast timesteps.)
58-60 northernLatitudeOfDomain signed Northern latitude of the domain of clustering.
61-63 westernLongitudeOfDomain signed Western longitude of the domain of clustering.
64-66 southernLatitudeOfDomain signed Southern latitude of the domain of clustering.
67-69 easternLongitudeOfDomain signed Eastern longitude of the domain of clustering.
70 operationalForecastCluster unsigned Number of cluster to which the operational forecast belongs.
71 controlForecastCluster unsigned Number of cluster to which the control forecast belongs.
72 numberOfForecastsInCluster unsigned Number of forecasts belonging to the cluster, including the control forecast (N).
73 -72+N ensembleForecastNumbers unsigned List of N ensemble forecast numbers.
73+N-328 Spare to ensure fixed length for section.