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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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.

Delayed cut-off 4DVAR at 2022-08-09 12:00

cris
All NPP CRIS ALL CHANNELS Global : all data missing
Severely_persistent: obs_number=0, expected range: 14976.60 15864.11
atms
All NPP ATMS ALL CHANNELS Global : all data missing
Severely_persistent: obs_number=0, expected range: 11499.70 13940.96
gpsro
COSMIC2-E5 GPSRO RISING HEIGHT 8-10 KM : out of range
Considerable: stdev_norm_fgdepar=1.1477, expected range: 0.8483 1.0361
COSMIC2-E4 GPSRO SETTING (23 impact heights affected) : out of range
1 times in the last 10 days for at least one item
Slight: obs_number=2095.0000, expected range: 2587.4012 4441.1871
Atmospheric Motion Vector
All AQUA MODIS CLEAR WV ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 89.64 1120.71
All NPP VIIRS AMV IR ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 136.73 1436.89
NOAA-18 AVHRR IR WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HPA) : out of range
Slight: obs_number=238.0000, expected range: 15.8103 160.6917
METOP-C AMV IR WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HPA) : out of range
Slight: obs_number=436.0000, expected range: 1.0094 289.4906
NOAA20 VIIRS-AMV IR WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HPA) : out of range
Slight: stdev_press=47.4493, expected range: 18.8576 37.4061
Radiosondes
LAND TEMP Q (G/KG) 36872 PRESSURE LAYER 900-1200 (HPA) : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=6.9364, expected range: -3.0500 12.0982
Severely_persistent: rms_fgdepar=6.9364, expected range: 0.0000 12.0080
LAND TEMP Q (G/KG) PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=2.6882, expected range: 1.3697 2.1038
LAND TEMP Q (G/KG) 32389 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: avg_fgdepar=6.2623, expected range: -1.5009 1.7968
Severe: rms_fgdepar=6.2623, expected range: 0.0000 2.4129
Severe: avg_pge=0.9003, expected range: -0.1011 0.1231
LAND TEMP Q (G/KG) 40417 PRESSURE LAYER 900-1200 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=13.3193, expected range: -3.7955 6.3630
Severe: rms_fgdepar=13.9690, expected range: 0.0000 8.3502
LAND TEMP Q (G/KG) 34009 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=3.6070, expected range: 0.0000 1.8911
LAND TEMP TEMPERATURE (K) PRESSURE LAYER 0-300 (HPA) : missing
Severe: obs_number=0.0000, expected range: 0.0000 270.5764
All LAND TEMP ALL LAYERS WMO BLOCK 98 : all data missing
Severe: obs_number=0, expected range: 124.19 320.10
HIGH RESO LAND TEMP Q (G/KG) 54662 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=3.8782, expected range: 0.4336 1.8888
HIGH RESO LAND TEMP Q (G/KG) 72528 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=2.8773, expected range: 0.0000 1.6035
HIGH RESO LAND TEMP Q (G/KG) 51656 PRESSURE LAYER 900-1200 (HPA) : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=6.6037, expected range: -1.5175 8.3978
Severe: rms_fgdepar=6.6037, expected range: 0.0000 8.3952
HIGH RESO LAND TEMP TEMPERATURE (K) PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=3.7264, expected range: 0.8046 1.7371
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) 53543 PRESSURE LAYER 300-60 : out of range
Severe: rms_fgdepar=18.3968, expected range: 0.6466 6.1776
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HPA) : missing
3 times in the last 10 days for at least one item
Severe: obs_number=0.0000, expected range: 0.0000 350.1677
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 83 : all data missing
Severe: obs_number=0, expected range: 45.75 129.39
amdar
AMDAR WIND VECTOR DIFF (M/S) AU0137 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=15.9973, expected range: 0.0000 8.0666
WIGOS AMDAR WIND VECTOR DIFF (M/S) VJ3H1DBA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=15.7502, expected range: 0.0000 8.8999
WIGOS AMDAR WIND VECTOR DIFF (M/S) M4IF0HZA PRESSURE LAYER 600-900 (HP : out of range
Severe: rms_fgdepar=16.3197, expected range: 0.0000 6.1758
synop
MANUAL LAND SYNOP RH2M (%) 66285 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9993, expected range: -0.8538 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 91682 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8996, expected range: -1.0996 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42921 : out of range
Severe: rms_fgdepar=541.8407, expected range: 0.0000 301.9110
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42661 : out of range
Severe: avg_pge=0.8424, expected range: -1.3209 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 85153 : out of range
Severe: rms_fgdepar=408.4779, expected range: 0.0000 119.8090
Severe: avg_pge=0.8496, expected range: -0.3597 0.4852
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 40656 : out of range
Severe: avg_pge=0.8405, expected range: -1.2736 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 62458 : out of range
Severe: rms_fgdepar=603.4887, expected range: 0.0000 87.6772
MANUAL LAND SYNOP RH2M (%) 62120 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9998, expected range: -1.5686 0.7500
MANUAL LAND SYNOP RH2M (%) 42634 : out of range
Severe: rms_fgdepar=36.2415, expected range: 0.0000 24.5833
Severe: avg_pge=0.9400, expected range: -0.0111 0.0189
MANUAL LAND SYNOP RH2M (%) 44215 : out of range
Severe: rms_fgdepar=35.7480, expected range: 0.0000 16.0103
MANUAL LAND SYNOP RH2M (%) 42435 : out of range
Severe: rms_fgdepar=35.6589, expected range: 0.0000 29.5989
Severe: avg_pge=0.9467, expected range: -0.0287 0.0423
MANUAL LAND SYNOP RH2M (%) 83319 : out of range
4 times in the last 10 days for at least one item
Severe: avg_pge=0.8098, expected range: -1.2012 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48062 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=573.1288, expected range: -253.1690 99.9070
Severe: rms_fgdepar=573.4858, expected range: 0.0000 228.7751
Severe: avg_pge=0.9030, expected range: -1.2209 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48085 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=700.5181, expected range: -261.2755 148.8751
Severe: rms_fgdepar=700.5181, expected range: 0.0000 288.0837
Severe: avg_pge=0.9139, expected range: -1.3286 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 30089 : out of range
Severe: rms_fgdepar=626.2702, expected range: 0.0000 163.0413
BUFR LAND SYNOP RH2M (%) 16541 : out of range
Severe: rms_fgdepar=33.9277, expected range: 0.0000 18.8166
BUFR LAND SYNOP RH2M (%) 28705 : out of range
Severe: rms_fgdepar=34.6108, expected range: 0.0000 16.3825
BUFR LAND SYNOP RH2M (%) 33415 : out of range
Severe: rms_fgdepar=35.2940, expected range: 0.0000 17.4458
BUFR LAND SYNOP RH2M (%) 28916 : out of range
Severe: rms_fgdepar=30.9178, expected range: 0.0000 14.3850
ship
BUFR SHIP SYNOP SURFACE PRESSURE (PA) D5VT5 : out of range
39 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=858.9994, expected range: 32.0545 1617.6342
Severely_persistent: rms_fgdepar=858.9994, expected range: 39.7231 1613.3970
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9VKU8 : out of range
26 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=1003.4577, expected range: 748.3486 1201.0897
Severely_persistent: rms_fgdepar=1004.4760, expected range: 748.8015 1201.0518
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) ZCEE2 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=11.5990, expected range: 0.0000 9.3324
Severely_persistent: avg_pge=0.8430, expected range: -0.6978 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) ELDMMXN : out of range
11 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8774, expected range: -1.0936 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) WDL2611 : out of range
3 times in the last 10 days for at least one item
Severe: rms_fgdepar=322.7012, expected range: 0.0000 140.5977
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V5632 : out of range
Severe: avg_fgdepar=629.0702, expected range: -567.7937 1233.0392
Severe: rms_fgdepar=634.7224, expected range: 0.0000 1323.4018
BUFR SHIP SYNOP SURFACE PRESSURE (PA) A8FG3 : out of range
Severe: avg_fgdepar=-664.3533, expected range: -712.6842 -421.5095
Severe: rms_fgdepar=664.8016, expected range: 327.3812 767.7961
BUFR SHIP SYNOP SURFACE PRESSURE (PA) D5LH3 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=-1070.8605, expected range: -711.7395 77.0478
Severe: rms_fgdepar=1070.8605, expected range: 0.0000 703.7964
Severe: avg_pge=0.9178, expected range: 0.0969 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7OJ3 : out of range
Severe: avg_fgdepar=-905.8875, expected range: -983.1164 557.3950
Severe: rms_fgdepar=907.5969, expected range: 0.0000 981.8379
Severe: avg_pge=0.8912, expected range: -1.4575 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V3735 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=769.3802, expected range: 228.7121 1823.9257
Severe: rms_fgdepar=769.3802, expected range: 225.5955 1827.9316
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7OJ5 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=1167.0088, expected range: 773.5352 1543.0854
Severe: rms_fgdepar=1167.0088, expected range: 771.6236 1547.3521
BUFR SHIP SYNOP SURFACE PRESSURE (PA) C6UT5 : out of range
Severe: rms_fgdepar=538.5506, expected range: 0.0000 269.1321
BUFR SHIP SYNOP SURFACE PRESSURE (PA) PDGW : out of range
Severe: rms_fgdepar=358.0576, expected range: 35.3560 144.2432
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) A8FG3 : out of range
Severe: rms_fgdepar=17.8252, expected range: 0.0000 8.7088
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9HRJ9 : out of range
Severe: rms_fgdepar=15.4695, expected range: 0.0000 7.1054
Severe: avg_pge=0.8928, expected range: -0.6392 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) D7AR : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=16.7114, expected range: 0.0000 16.0503
Severe: avg_pge=0.8121, expected range: -1.2458 0.7500
buoy
DRIBU WIND VECTOR DIFF (M/S) : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8241, expected range: -0.0769 0.7500
Severely_persistent: avg_pge=0.8241, expected range: -0.0769 0.7500
DRIBU WIND VECTOR DIFF (M/S) 23451 : out of range
15 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9118, expected range: 0.1466 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 1501741 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-595.3055, expected range: -1828.3566 1775.0485
Severely_persistent: rms_fgdepar=599.6177, expected range: 0.0000 1138.6000
DRIFTING BUOYS SURFACE PRESSURE (PA) 0022692 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-526.0982, expected range: -376.3056 258.4941
Severe: rms_fgdepar=535.1189, expected range: 0.0000 529.6528
Severe: avg_pge=0.8956, expected range: -0.9658 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 6204567 : out of range
Severe: rms_fgdepar=333.6975, expected range: 0.0000 117.5886
DRIFTING BUOYS SURFACE PRESSURE (PA) 6401589 : out of range
Severe: rms_fgdepar=396.0346, expected range: 0.0000 167.7420
snow
MANUAL LAND SYNOP SNOW (CM) 37552 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=67.0000, expected range: 7.6003 90.9997
Severely_persistent: rms_fgdepar=67.0000, expected range: 9.8444 91.1186
MANUAL LAND SYNOP SNOW (CM) 87803 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-53.2145, expected range: -74.2540 -52.9565
Severely_persistent: rms_fgdepar=53.2145, expected range: 52.9565 74.2540
BUFR LAND SYNOP SNOW (CM) 87803 : out of range
10 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-53.2145, expected range: -73.9249 -52.4001
Severely_persistent: rms_fgdepar=53.2145, expected range: 52.4001 73.9249
BUFR LAND SYNOP SNOW (CM) _MF1EB15 : out of range
38 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-772.6550, expected range: -773.6941 -772.0278
BUFR LAND SYNOP SNOW (CM) _MF1EB15 : out of range
38 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=772.6551, expected range: 772.0279 773.6941
t2m
METAR 2M TEMPERATURE (K) UGMS : out of range
13 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=13.2908, expected range: 8.3702 15.5412
Severely_persistent: rms_fgdepar=13.2968, expected range: 8.6626 15.4850
MANUAL LAND SYNOP 2M TEMPERATURE (K) 68240 : out of range
Severe: avg_fgdepar=12.4116, expected range: -4.4303 5.3813
Severe: rms_fgdepar=12.4116, expected range: 0.0000 3.7897
MANUAL LAND SYNOP 2M TEMPERATURE (K) 60481 : out of range
Severe: rms_fgdepar=10.7852, expected range: 0.0000 4.1860
MANUAL LAND SYNOP 2M TEMPERATURE (K) 24338 : out of range
Severe: rms_fgdepar=10.8089, expected range: 0.0000 4.4525
MANUAL LAND SYNOP 2M TEMPERATURE (K) : out of range
2 times in the last 10 days for at least one item
Severe: obs_number=115.0000, expected range: 138.4084 141.0916
METAR 2M TEMPERATURE (K) OIGK : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-15.7306, expected range: -13.8761 -5.1440
Severe: rms_fgdepar=15.9564, expected range: 6.1637 13.6368
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13CBF : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=18.8020, expected range: -4.2607 7.4045
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13CBF : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=18.8149, expected range: 0.0000 7.8760
rh2m
All BUFR LAND SYNOP WMO BLOCK 98 : all data missing
Severe: obs_number=0, expected range: 126.47 134.00