Dissemination products
The
dissemination supports products which can be represented as fields
of values of single parameters over a defined area. The data are
represented in FM 92 GRIB code, and the optional bitmap section of
GRIB is used to designate the land-sea mask, indicating which
points are present and which are missing with respect to the total
area. Also, data is available in the form of rectangular
“hollow boxes” to provide boundary conditions for
limited area models.Member States may also specify bitmaps of
required points.
Data are available at any multiple of the basic
grid of the generating model and for any user defined sub-area.
A
number of products are available in the field form. Products can be
grouped into the following categories:
- Control, perturbed and calibration/validation
forecast products
- Event probability products
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