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ECMWF ERA-15: Surface Orography Data

The European Centre for Medium-Range Weather Forecasts (ECMWF) has provided global atmospheric analyses from its archive for many years. The ERA-15 Re-analysis project was devised in response to wishes expressed by many users for a data set generated by a modern, consistent, and invariant data assimilation system. The ERA-15 project produced a long time-series (January 1979 - February 1994) of consistent meteorological analyses using a single version of the ECMWF model.

This dataset contains surface orography data. These data are available in gaussian N80 gridded, lat-long (2.5 degree) gridded and spectral form, from the initialised and uninitialised datasets (N.B. initialised spectral is missing at the moment).

Note that the grid-point orography files change with date. This does not affect the ERA period but if you use Operational data for later dates you will need

to use the different orography files from our ecmwf-op directory.

The spectral orography file spor90010100 contains just the orography data (surface geopotential).

The other files contain the constant fields:

Geopotential (at the surface, orography)

Standard deviation of orography

Anisotropy of subgrid scale orography

Angle of subgrid scale orography

Slope of subgrid scale orography

Land/Sea mask

gpor79010100 contains the gaussian gridded data

llor80010100 contains the 2.5 degree gridded data

Simple

Date (Publication)
2006-12-10T11:28:21
Date (Creation)
2006-12-10T11:28:21
Identifier
https://catalogue.ceda.ac.uk/uuid/0872cfcf994b4c6292e19f69fb0e7541
Identifier
NCAS British Atmospheric Data Centre (NCAS BADC) / 0872cfcf994b4c6292e19f69fb0e7541
Author
  European Centre for Medium-Range Weather Forecasts (ECMWF) - author
Custodian
  NCAS British Atmospheric Data Centre (NCAS BADC) - custodian
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Distributor
  NCAS British Atmospheric Data Centre (NCAS BADC) - distributor
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Principal investigator
  European Centre for Medium-Range Weather Forecasts (ECMWF) - principal_investigator
pointofContact
  NCAS British Atmospheric Data Centre (NCAS BADC) - point_of_contact
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Publisher
  NCAS British Atmospheric Data Centre (NCAS BADC) - publisher
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
Maintenance and update frequency
notPlanned Not planned
Update scope
dataset Dataset
Keywords
  • ECMWF
  • ERA
  • ERA 15
  • reanalysis
  • surface
  • orography
GEMET - INSPIRE themes, version 1.0
  • atmospheric conditions
Access constraints
otherRestrictions Other restrictions
Other constraints
Access to these data is available to any registered CEDA user. Please Login or Register for a CEDA account to gain access.
Use constraints
otherRestrictions Other restrictions
Other constraints
Under the following licence https://artefacts.ceda.ac.uk/licences/specific_licences/ecmwf-era-products.pdf, appropriate use of these data may fall under any use. This message is intended as guidance, always read the full licence. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Spatial representation type
grid Grid
Metadata language
EnglishEnglish
Topic category
  • Climatology, meteorology, atmosphere
N
S
E
W
thumbnail


Begin date
1979-01-01T00:00:00
End date
1994-02-28T00:00:00
Unique resource identifier
WGS 84
Distribution format
  • Data are GRIB 1 formatted. ()

Distributor
  NCAS British Atmospheric Data Centre (NCAS BADC) - Data Center Contact
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
OnLine resource
CEDA Data Catalogue Page

Detail and access information for the resource

OnLine resource
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Encoding and decoding GRIB data (GRIBEX)

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Hierarchy level
dataset Dataset

Conformance result

Date (Publication)
2010-12-08
Statement
Data were extracted from European Centre for Medium-Range Weather Forecasts (ECMWF) MARS system and transferred to BADC where they were ingested into the archive.
File identifier
0872cfcf994b4c6292e19f69fb0e7541 XML
Metadata language
EnglishEnglish
Character set
8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 UTF8
Parent identifier
European Centre for Medium-Range Weather Forecasts (ECMWF) 15-year re-analysis (ERA-15) model data 73ec447ea99457c77c0ef9692f76393f
Hierarchy level
dataset Dataset
Date stamp
2025-11-15T03:10:18
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  NCAS British Atmospheric Data Centre (NCAS BADC)
British Atmospheric Data Centre , STFC Rutherford Appleton Laboratory , Harwell Oxford , OX11 0QX , UK
+44(0)1235 446432
 
 

Overviews

Spatial extent

N
S
E
W
thumbnail


Keywords

GEMET - INSPIRE themes, version 1.0
atmospheric conditions

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