The dataset is covering the period from 5 Nov 2015 until 25 Jan 7 Apr 2016 (status on 14 Mar 11 Apr 2016).

MARS

If you have access to ECMWF systems you can retrieve test data from MARS archive using keywords:

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If you don't have access to ECMWF computers but would still like to access a large subset of test data to validate your systems you can use ECMWF WebAPI service.

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Total aerosol optical depth at 550 nm in NetCDF format, only European domain, all the available steps, December 2015

#!/usr/bin/env python
from ecmwfapi import ECMWFDataServer
server = ECMWFDataServer()

server.retrieve({
    "dataset": "cams_nrealtime_test",
    "stream": "oper",
    "type": "fc",
    "date": "20151201/to/20151231",
    "time": "00",    
    "step":"0/to/120/by/1",
    "levtype":"sfc",
    "param" : "aod550",       # see parameter table at http://macc.copernicus-atmosphere.eu/oper_info/global_nrt_data_access/ftp/20150911_cams_upgrade/
    "grid": "0.4/0.4",        # 0.4 x 0.4 regular lat-lon grid
    "area": "70/-35/35/60",   # N/E/S/W area boundaries
    "target": "/tmp/cams_nrealtime_201512.grib"
})

#!/usr/bin/env python
from ecmwfapi import ECMWFDataServer
server = ECMWFDataServer()

for i in range(1,31):
    date = "201512%02d" % i
    server.retrieve({
    "dataset": "cams_nrealtime_test",
    "stream": "oper",
    "type": "fc",
    "date": date,
    "time": "00",    
    "step":"0/to/120/by/1",
    "levtype":"sfc",
    "param" : "aod550",       # see parameter table at http://macc.copernicus-atmosphere.eu/oper_info/global_nrt_data_access/ftp/20150911_cams_upgrade/
    "grid": "0.4/0.4",        # 0.4 x 0.4 regular lat-lon grid
    "area": "70/-35/35/60",   # N/E/S/W area boundaries
    "format": "netcdf",
    "target": "/tmp/cams_nrealtime_test%s.gribnc" % date
})

ECPDS dissemination

The test dataset will be made is available through operational ECPDS dissemination.

/DATA/CAMS_NREALTIME_TEST

The list of parameters will be is the same as in the current global data stream but at the higher 0.4 deg horizontal resolution.

If everything else fails ...

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