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Dataset

 

ECMWF ERA-40: reduced N80 Gaussian gridded surface level forecast data (ggfs)

Update Frequency: Not Planned
Latest Data Update: 2019-10-08
Status: Completed
Online Status: ONLINE
Publication State: Published
Publication Date: 2006-12-10
Download Stats: last 12 months
Dataset Size: 3.7M Files | 248GB

Abstract

This dataset contains N80 Gaussian gridded, surface level, forecast timestep parameters from the European Centre for Medium-Range Weather Forecasts (ECMWF) Re-Analysis (ERA) 40 program from September 1958 to August 2002. ERA-40 followed on from the ERA-15 re-analysis project. Access limited to UK based academic researchers only. These data are GRIB formatted.

Citable as:  European Centre for Medium-Range Weather Forecasts (2006): ECMWF ERA-40: reduced N80 Gaussian gridded surface level forecast data (ggfs). NCAS British Atmospheric Data Centre, date of citation. https://catalogue.ceda.ac.uk/uuid/c99949a873d24e8d887f42c7e4d3d45a
Abbreviation: Not defined
Keywords: ECMWF, ERA, ERA-40, reanalysis, model, forecast, surface level

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

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: m s**-1
  • names: 10 metre wind gust since previous post-processing
  • units: J m**-2
  • names: Boundary layer dissipation
  • units: m
  • names: Boundary layer height
  • units: m
  • names: Convective precipitation
  • units: m of water equivalent
  • names: Convective snowfall
  • units: N m**-2 s
  • names: Eastward gravity wave surface stress
  • units: N m**-2 s
  • names: Eastward turbulent surface stress
  • units: m of water equivalent
  • names: Evaporation
  • units: (0 - 1)
  • names: Forecast albedo
  • units: ~
  • names: Forecast logarithm of surface roughness for heat
  • units: m
  • names: Forecast surface roughness
  • units: J m**-2
  • names: Gravity wave dissipation
  • units: N m**-2
  • names: Instantaneous eastward turbulent surface stress
  • units: kg m**-2 s**-1
  • names: Instantaneous moisture flux
  • units: N m**-2
  • names: Instantaneous northward turbulent surface stress
  • units: W m**-2
  • names: Instantaneous surface sensible heat flux
  • units: m
  • names: Large-scale precipitation
  • units: s
  • names: Large-scale precipitation fraction
  • units: m of water equivalent
  • names: Large-scale snowfall
  • units: K
  • names: Maximum temperature at 2 metres since previous post-processing
  • units: K
  • names: Minimum temperature at 2 metres since previous post-processing
  • units: N m**-2 s
  • names: Northward gravity wave surface stress
  • units: N m**-2 s
  • names: Northward turbulent surface stress
  • units: m
  • names: Runoff
  • units: m of water equivalent
  • names: Snow evaporation
  • units: m of water equivalent
  • names: Snowfall
  • units: m of water equivalent
  • names: Snowmelt
  • units: s
  • names: Sunshine duration
  • units: J m**-2
  • names: Surface latent heat flux
  • units: J m**-2
  • names: Surface net solar radiation
  • units: J m**-2
  • names: Surface net solar radiation, clear sky
  • units: J m**-2
  • names: Surface net thermal radiation
  • units: J m**-2
  • names: Surface net thermal radiation, clear sky
  • units: J m**-2
  • names: Surface sensible heat flux
  • units: J m**-2
  • names: Surface solar radiation downwards
  • units: J m**-2
  • names: Surface thermal radiation downwards
  • units: J m**-2
  • names: Top net solar radiation
  • units: J m**-2
  • names: Top net solar radiation, clear sky
  • units: J m**-2
  • names: Top net thermal radiation
  • units: J m**-2
  • names: Top net thermal radiation, clear sky
  • units: (0 - 1)
  • names: Total cloud cover

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°