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NRT Notification Detail
| Error in GRAS SAF generated background profiles
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DATE: 2011-03-23 10:58
TYPE: DATA
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| Description
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| Dear GRAS SAF data user

Issued 2011-03-23 11:57 UTC

We have discovered a problem in an interpolation routine which
affects the GRAS SAF NetCDF files containing the background
profiles of temperature, pressure and humidity based on ECMWF
forecasts (files with prefix 'bgr'). The affected files are no
longer available in our products archive but will be replaced
with new files.

The problem is with the value for the geopotential height at
the surface (the variable named 'geop_sfc'). This value may be
significantly wrong in some regions and therefore we recommend
that these files are not used currently. A new version of
the 'bgr' files will be generated and when this processing is
complete we will issue a follow-up message.

We sincerely apologize for the inconvenience this error may
have caused.

Kind regards
The GRAS SAF Team
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