Operational Data Checking

An automatic data checking system has been implemented at ECMWF to trigger warnings in case of anomalies affecting the quality or the availability of the data assimilated by the model. Selected statistical parameters (number of observations, bias correction, and mean bias-corrected background, analysis departures and probability of gross error) are checked against an expected range. An appropriate alert message (including a time series plot) is generated if statistics are outside the specified ranges. A severity level (slight, considerable, severe) is assigned to each message depending on how far statistics are from the expected values. Two kinds of ranges are used by the automatic checking: Soft and Hard limits. Soft limits are updated automatically using statistics from the last twenty days (extremes are excluded during this process). Hard limits are adjusted manually when required.

Currently, the automatic checking is limited to data passing through the minimisation process (including VarBC passive data). It's being applied twice a day to the delayed cut-off 4D-VAR cycles (00 and 12) and four times a day to the early delivery assimilation system (00,06,12 and 18).

The alarm system results are based on feedback information from the ECMWF data assimilation and consequently reflect the ECMWF data usage. Although most warnings are related to data problems, they may on occasion also be related to model issues. Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice. ECMWF accepts no responsibility for actions taken on the basis of these results.

Early delivery 4D-VAR at 2019-04-14 12:00

cris
All NPP CrIS radiances Missing
NOAA-20 CrIS 912 radiances : OutOfRange
38 times in the last 10 days for at least one item
Severely: count(*)=6110, expected range: 2.00 3520.00
gpsro
All TANDEM-X rising RO bending angles Missing
All COSMIC-1 setting RO bending angles Missing
All COSMIC-1 rising RO bending angles Missing
All TERRA-SAR-X setting RO bending angles Missing
mhs
METOP-C MHS 5 allsky radiances : OutOfRange
3 times in the last 10 days for at least one item
Considerably: avg(norm_fg_depar)=0, expected range: -0.04 0.04
amdar
AG1002 AMDAR Temperature (k) 70000 101325 : OutOfRange
Severely: rms(fg_depar)=3, expected range: 0.00 1.82
OHLXOARA 146 Q (g/kg) 0 40000 : OutOfRange
Severely: avg(fg_depar)=0, expected range: -0.00 0.00
RLNHOCRA 146 Q (g/kg) 0 40000 : OutOfRange
Severely: rms(fg_depar)=0, expected range: 0.00 0.00
1ADUOGRA 146 Q (g/kg) 0 40000 : OutOfRange
Severely: avg(fg_depar)=0, expected range: -0.00 0.00
Severely: rms(fg_depar)=0, expected range: 0.00 0.00
J3FEOGZA 146 Q (g/kg) 0 40000 : OutOfRange
Severely: avg(fg_depar)=0, expected range: -0.00 0.00
Severely: rms(fg_depar)=0, expected range: 0.00 0.00
AU0305 146 Temperature (k) 40000 70000 : OutOfRange
Severely: rms(fg_depar)=2, expected range: 0.00 1.61
EOEYF2BA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: rms(fg_depar)=2, expected range: 0.00 1.52
3MUXOABA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: rms(fg_depar)=1, expected range: 0.00 1.21
KYAYCIBA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: avg(fg_depar)=-2, expected range: -0.99 1.10
Severely: rms(fg_depar)=3, expected range: 0.00 1.46
BRLHQVBA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: avg(fg_depar)=-2, expected range: -0.73 0.80
Severely: rms(fg_depar)=2, expected range: 0.00 1.42
5KJKPZBA 146 Temperature (k) 40000 70000 : OutOfRange
1 times in the last 10 days for at least one item
Severely: avg(fg_depar)=-2, expected range: -0.95 1.01
Severely: rms(fg_depar)=3, expected range: 0.00 1.58
3LJLP3JA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: avg(fg_depar)=-2, expected range: -0.89 0.90
Severely: rms(fg_depar)=2, expected range: 0.00 1.81
M5OEOGJA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: rms(fg_depar)=2, expected range: 0.00 1.74
NL1UOGJA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: rms(fg_depar)=2, expected range: 0.00 1.88
KTXUOGJA 146 Temperature (k) 40000 70000 : OutOfRange
1 times in the last 10 days for at least one item
Severely: rms(fg_depar)=3, expected range: 0.00 1.95
ID3ENXJA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: avg(fg_depar)=-5, expected range: -1.36 1.04
Severely: rms(fg_depar)=5, expected range: 0.00 1.89
QUHHL5RA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: avg(fg_depar)=-1, expected range: -0.67 0.85
Severely: rms(fg_depar)=2, expected range: 0.00 1.22
TUCYFARA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: avg(fg_depar)=-2, expected range: -1.01 1.04
Severely: rms(fg_depar)=3, expected range: 0.00 1.93
D5I0JFRA 146 Temperature (k) 40000 70000 : OutOfRange
1 times in the last 10 days for at least one item
Severely: rms(fg_depar)=2, expected range: 0.00 1.43
GV0EOFZA 146 Temperature (k) 40000 70000 : OutOfRange
Severely: avg(fg_depar)=-1, expected range: -0.79 0.81
SL0044 146 Temperature (k) 70000 101325 : OutOfRange
Severely: rms(fg_depar)=3, expected range: 0.00 1.91
NXFGUUBA 146 Temperature (k) 70000 101325 : OutOfRange
Severely: rms(fg_depar)=3, expected range: 0.00 2.10
Atmospheric Motion Vector
All AQUA cloudy WV 0 40000 Missing
All GOES-15 VIS1 70000 110000 Missing
In-Situ measurements
All PILOT Wind Vector difference (m/s) WMO BLOCK 61 0 40000 Missing
All PILOT Wind Vector difference (m/s) WMO BLOCK 91 0 40000 Missing
All PILOT Wind Vector difference (m/s) WMO BLOCK 94 0 40000 Missing
All European Wind Profiler Wind Vector difference (m/s) 02 0 40000 Missing
TEMP Land Report Temperature (k) WMO BLOCK 12 40000 70000 : OutOfRange
1 times in the last 10 days for at least one item
Severely: count(*)=299, expected range: 350.00 400.00
TEMP Land Report Q (g/kg) WMO BLOCK 12 0 40000 : OutOfRange
1 times in the last 10 days for at least one item
Severely: count(*)=315, expected range: 380.00 410.00
TEMP Land Report Temperature (k) WMO BLOCK 12 70000 101325 : OutOfRange
1 times in the last 10 days for at least one item
Considerably: count(*)=302, expected range: 330.00 420.00
TEMP Land Report Wind Vector difference (m/s) WMO BLOCK 45 0 40000 : OutOfRange
1 times in the last 10 days for at least one item
Considerably: avg(fg_depar)=9, expected range: 0.14 6.40
Considerably: rms(fg_depar)=10, expected range: 0.31 7.20
BUOYS
1601522 189 Surface pressure (Pa) : OutOfRange
38 times in the last 10 days for at least one item
Severely_persistent: freq(qc_pge)=98, expected range: 0.00 50.00
5401633 189 Surface pressure (Pa) : OutOfRange
2 times in the last 10 days for at least one item
Considerably: freq(qc_pge)=100, expected range: 0.00 75.00
pilot
82099 PILOT Wind Vector difference (m/s) 0 40000 : OutOfRange
Severely: avg(fg_depar)=10, expected range: 1.48 7.20
Severely: rms(fg_depar)=12, expected range: 1.48 8.40
ship
WDC7379 SHIP Report Wind Vector difference (m/s) : OutOfRange
4 times in the last 10 days for at least one item
Severely_persistent: freq(qc_pge)=78, expected range: 0.00 50.00
9V9404 SHIP Report Surface pressure (Pa) : OutOfRange
2 times in the last 10 days for at least one item
Severely_persistent: freq(qc_pge)=100, expected range: 0.00 50.00
synop
42931 SYNOP Surface pressure (Pa) : OutOfRange
12 times in the last 10 days for at least one item
Severely_persistent: freq(qc_pge)=60, expected range: 0.00 50.00
67217 SYNOP Surface pressure (Pa) : OutOfRange
1 times in the last 10 days for at least one item
Severely_persistent: freq(qc_pge)=72, expected range: 0.00 50.00
17380 SYNOP Surface pressure (Pa) : OutOfRange
Considerably: freq(qc_pge)=100, expected range: 0.00 75.00
04373 170 Surface pressure (Pa) : OutOfRange
Considerably: freq(qc_pge)=83, expected range: 0.00 75.00
04166 170 Surface pressure (Pa) : OutOfRange
2 times in the last 10 days for at least one item
Considerably: freq(qc_pge)=100, expected range: 0.00 75.00
Radiosondes
82099 TEMP Land Report Wind Vector difference (m/s) 0 40000 : OutOfRange
Severely: avg(fg_depar)=10, expected range: 1.57 7.10
Severely: rms(fg_depar)=12, expected range: 1.50 8.30
72230 109 Q (g/kg) 0 40000 : OutOfRange
1 times in the last 10 days for at least one item
Severely: avg(fg_depar)=0, expected range: -0.00 0.00
Severely: rms(fg_depar)=0, expected range: 0.00 0.00
85799 109 Temperature (k) 0 40000 : OutOfRange
Severely: avg(fg_depar)=0, expected range: -0.15 0.51
Severely: rms(fg_depar)=2, expected range: 0.19 1.88
27707 109 Temperature (k) 40000 70000 : OutOfRange
Severely: rms(fg_depar)=1, expected range: 0.00 1.19
16245 109 Q (g/kg) 40000 70000 : OutOfRange
Considerably: freq(qc_pge)=80, expected range: 0.00 75.00