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Dataset

 

ECMWF ERA-40: reduced N80 Gaussian gridded model level forecast data (ggfm)

Update Frequency: Not Planned
Latest Data Update: 2011-10-13
Status: Completed
Online Status: ONLINE
Publication State: Published
Publication Date: 2006-12-10
Download Stats: last 12 months
Dataset Size: 91.25K Files | 190GB
Abstract

ERA-40 was a European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis project covering the period September 1957 to August 2002. This follows on from the ERA-15 re-analysis project. The dataset includes data on surface, PV, potential temperature and pressure surfaces. Model level data available as GRIB formatted data on spectral and reduced Gaussian grids. Access limited to UK based academic researchers only

Citable as:  European Centre for Medium-Range Weather Forecasts (2006): ECMWF ERA-40: reduced N80 Gaussian gridded model level forecast data (ggfm). NCAS British Atmospheric Data Centre, date of citation. https://catalogue.ceda.ac.uk/uuid/348248028eb74138a867ed5b1ec0112f
Abbreviation: Not defined
Keywords: ECMWF, ERA, ERA-40, reanalysis, surface, model, Gaussian, N256, forecast

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
Access rules:
Access to these data is available to any registered CEDA user. Please Login or Register for an account to gain access.
Use of these data is covered by the following licence: http://licences.ceda.ac.uk/image/data_access_condition/ecmwf-era-products.pdf. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data were generated by the ERA-40 project at European Centre for Medium-Range Weather Forecasts (ECMWF) and stored within ECMWF's archives. The BADC then obtained a copy from the ECMWF archived and ingested into the BADC archives to aid wider academic use of these data.
Data Quality:
ECMWF quality controlled data.
File Format:
Data are GRIB formatted

Related Documents

 Encoding and decoding GRIB data (GRIBEX)
 ECMWF ERA 40 website

Process overview

This dataset was generated by the computation detailed below.
Title

ECWF ERA-40 data assimilation system deployed on ECMWF Computer
Abstract

This computation involved: ERA-40 data assimilation system deployed on ECMWF Computer.
Input Description

None
Output Description

None
Software Reference

None
  • units: s**-1
  • names: Divergence
  • units: (0 - 1)
  • names: Fraction of cloud cover
  • units: ~
  • names: Logarithm of surface pressure
  • units: kg kg**-1
  • names: Ozone mass mixing ratio
  • units: kg kg**-1
  • names: Specific cloud ice water content
  • units: kg kg**-1
  • names: Specific cloud liquid water content
  • units: kg kg**-1
  • names: Specific humidity
  • units: K
  • names: Temperature
  • units: Pa s**-1
  • names: Vertical velocity
  • units: s**-1
  • names: Vorticity (relative)

Co-ordinate Variables

Coverage
Temporal Range
Start time:
1957-09-29T23:00:00
End time:
2002-08-31T22:59:59
Geographic Extent

 
90.0000°
  
-180.0000°
  
180.0000°
 
-90.0000°
  
Related parties
Authors (1)
Publishers (1)
Funders (1)