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Forum on operational GLAMEPS

TOPIC: Update of the GLAMEPS production system GLAMEPStc

Update of the GLAMEPS production system GLAMEPStc 7 years 8 months ago #661

The following message has been sent to the GLAMEPS notification mailing list, but apparently the message has not arrived at the list yet due to technical problems. Therefore, it is posted here once more. The problem has been reported to the technical staff at hirlam.org.


The GLAMPES production system GLAMEPStc will be updated to
version v1.1.1 on

Wednesday 14. March 2012, around 8:00 UTC

This update fixes some issues concerning the GRIB headers of
the converted model output data (Outdat).

The other changes in this update only affect the operation
of the production suite.


The update is going to take effect from cycle 201201406 on.


Expected impact on GLAMPES products for users:

The GRIB headers for the converted model output data (Outdat)
change as follows:

1. The GRIB records for accumulated precipitation
(parameter 61.1) now include a different "time range
indicator" with the time range indicating the
accumulation period.

2. The GRIB records for 10m wind gust from the models
ECDET and ECEPS (parameter 228.1) now retain the
original "time range indicator" with the time range
indicating the time period for the gust calculation.
This way, the specification from the raw model data
output is retained from its original state.

Please note that (2.) does not appliy for AladEPS or HirEPS.
These models have a different method for gust calculation, and
this difference is now reflected in the GRIB headers.

Please also note that the actual data content does not change
by these updates, because only the GRIB header information is
changed.


--
Kai
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