Instrument : European Centre for Medium Range Weather Forecasts Diagnostic Analyses (ECMWFDIAG)
Instrument Categories
Derived Quantities and Models
General Overview
ARM receives two different types of ECMWF products. Diagnostic data derived from ECMWF model runs are especially generated for ARM analysis for the ACRF facilities. In addition, ARM purchases more detailed ECMWF products covering a larger area for the TWP sites. These data can only be distributed to ARM scientists. ARM scientists who obtain these data must agree to acknowledge use of the data in their publications and not to share the data with others who are not on the ARM Science Team. Permission can be requested to supply data to groups outside the ARM Program for specific projects. In such cases, if permission was given, a conditions form would be produced by ECMWF to be signed by the principal investigator of such a group.
Output Datastreams
- ecmwfflx : ECMWF: radiative fluxes at altitude, 1-hr avg, entire coverage
- ecmwfsfc : ECMWF: surface variables and fluxes, entire coverage, 1-hr avg
- ecmwfsfc1l : ECMWF: surface variables and fluxes, single layer, 1-hr avg
- ecmwfsfce : ECMWF: near-surface and surface variables (extra), entire coverage, 1-hr avg
- ecmwfsfcml : ECMWF: model multilevel surface fields at 4 levels, entire coverage
- ecmwften : ECMWF: total and physical tendencies for met and cloud vars, entire coverage, 1-hr avg
- ecmwfvar : ECMWF: model met. and cloud variables at altitude, entire coverage, 1-hr avg
Primary Measurements
The following measurements are those considered scientifically relevant.
- Advective tendency
- Atmospheric moisture
- Atmospheric pressure
- Atmospheric temperature
- Cloud fraction
- Cloud ice water
- Cloud liquid water
- Horizontal wind
- Latent heat flux
- Longwave broadband downwelling irradiance
- Longwave broadband net irradiance
- Precipitation
- Sensible heat flux
- Shortwave broadband total downwelling irradiance
- Shortwave broadband total net irradiance
- Soil heat flux
- Soil moisture
- Soil moisture flux
- Soil surface temperature
- Surface albedo
- Surface moisture flux
- Surface skin temperature
- Vertical velocity