GRIB2 - TABLE 4.7

  DERIVED FORECAST

Section 4, Octet 35 - for product templates 2-4 and 12-14


Created 05/12/05


Number Meaning
0
Unweighted Mean of All Members
1
Weighted Mean of All Members
2
Standard Deviation with respect to Cluster Mean
3
Standard Deviation with respect to Cluster Mean, Normalized
4
Spread of All Members
5
Large Anomaly Index of All Members (see note below)
6
Unweighted Mean of the Cluster Members
7-191
Reserved
192-254
Reserved for Local Use
255 Missing


Notes:

1.  Large anomaly index is defined as {(number of members whose anomaly is higher than 0.5*SD) - (number of members whose anomaly is lower than -0.5*SD)}/(number of members) at each grid point.  SD is the observed climatological standard deviation.


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