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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2020-08-07 00:00

cris
NPP CRIS RADIANCES CHANNEL 106 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.2371, expected range: 0.2028 0.2195
NPP CRIS RADIANCES CHANNEL 107 : out of range
15 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1790, expected range: 0.1479 0.1561
NPP CRIS RADIANCES CHANNEL 108 : out of range
15 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1399, expected range: 0.1092 0.1190
NOAA20 CRIS RADIANCES CHANNEL 963 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.0753, expected range: -0.0574 -0.0347
NOAA20 CRIS RADIANCES CHANNEL 107 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.2047, expected range: 0.1790 0.1852
NOAA20 CRIS RADIANCES CHANNEL 119 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1760, expected range: 0.1463 0.1564
NOAA20 CRIS RADIANCES CHANNEL 124 : out of range
4 times in the last 10 days for at least one item
Severe: avg_biascorr=0.1344, expected range: 0.1080 0.1230
NOAA20 CRIS RADIANCES (87 channels affected) : out of range
Considerable: obs_number=10672.0000, expected range: 19449.9686 26291.0213
airs
AQUA AIRS RADIANCES (11 channels affected) : out of range
Considerable: obs_number=2570.0000, expected range: 2793.2393 3629.1357
gpsro
All COSMIC2-E5 GPSRO RISING ALL HEIGHTS Global : all data missing
Severely_persistent: obs_number=0, expected range: 268.24 3255.42
TERRASAR-X GPSRO SETTING HEIGHT 42-44 KM : out of range
Slight: avg_norm_fgdepar=0.6159, expected range: -0.3593 0.3904
Radiosondes
LAND TEMP TEMPERATURE (K) 61660 PRESSURE LAYER 0-300 (HPA) : out of range
32 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-11.4271, expected range: -28.5825 2.8920
Severely_persistent: rms_fgdepar=19.0300, expected range: 7.8277 31.7456
LAND TEMP TEMPERATURE (K) 40430 PRESSURE LAYER 900-1200 (HPA) : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8255, expected range: -1.1001 0.7500
HIGH RESO LAND TEMP TEMPERATURE (K) (2 pressure layers affected) : missing
1 times in the last 10 days for at least one item
Severely_persistent: obs_number=0.0000, expected range: 175.2334 191.9666
Severe: obs_number=0.0000, expected range: 0.0000 426.7217
Severe: obs_number=0.0000, expected range: 27.5377 389.4020
Severe: obs_number=0.0000, expected range: 14.4443 395.4841
HIGH RESO LAND TEMP Q (G/KG) PRESSURE LAYER 0-300 (HPA) : missing
5 times in the last 10 days for at least one item
Severely_persistent: obs_number=0.0000, expected range: 49.5119 70.4881
HIGH RESO SEA TEMP TEMPERATURE (K) (3 pressure layers affected) : missing
11 times in the last 10 days for at least one item
Severely_persistent: obs_number=0.0000, expected range: 0.0000 715.8024
LAND TEMP TEMPERATURE (K) 24122 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=8.2772, expected range: 0.2150 2.1906
LAND TEMP TEMPERATURE (K) 25123 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=8.0849, expected range: 0.0000 2.0904
Severe: avg_pge=0.9108, expected range: -0.2886 0.4504
LAND TEMP WIND VECTOR DIFF (M/S) 35229 PRESSURE LAYER 900-1200 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=23.0462, expected range: -6.9470 14.1778
Severe: rms_fgdepar=23.6745, expected range: 0.0000 14.5096
Severe: avg_pge=0.9142, expected range: -0.7032 0.7500
LAND TEMP Q (G/KG) 23955 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=3.5490, expected range: 0.0000 1.8479
LAND TEMP Q (G/KG) 40430 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: avg_fgdepar=-10.2220, expected range: -12.4864 8.7224
Severe: rms_fgdepar=10.2220, expected range: 0.0000 9.3163
LAND TEMP Q (G/KG) 28225 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=4.3154, expected range: 0.0000 1.8673
HIGH RESO LAND TEMP Q (G/KG) PRESSURE LAYER 900-1200 (HPA) : missing
2 times in the last 10 days for at least one item
Severe: obs_number=0.0000, expected range: 20.2676 264.0181
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 37 : all data missing
Severe: obs_number=0, expected range: 29.16 159.24
HIGH RESO SEA TEMP Q (G/KG) PRESSURE LAYER 0-300 (HPA) : missing
4 times in the last 10 days for at least one item
Severe: obs_number=0.0000, expected range: 0.0000 892.7245
Severe: obs_number=0.0000, expected range: 0.0000 880.9776
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) (2 pressure layers affected : out of range
Considerable: obs_number=546.0000, expected range: 20.1329 369.5814
amdar
AMDAR TEMPERATURE (K) CNFKQP PRESSURE LAYER 600-900 (HPA) : out of range
15 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-12.7426, expected range: -23.5930 8.3697
Severely_persistent: rms_fgdepar=12.8524, expected range: 0.0000 24.8478
AMDAR WIND VECTOR DIFF (M/S) BR712393 PRESSURE LAYER 0-300 (HPA) : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8033, expected range: 0.2149 0.7500
WIGOS AMDAR WIND VECTOR DIFF (M/S) BTSX1DZA PRESSURE LAYER 0-300 (HPA) : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=25.7092, expected range: -28.6841 45.1220
Severely_persistent: rms_fgdepar=25.9803, expected range: 0.0000 47.4440
Severely_persistent: avg_pge=0.8778, expected range: -1.7139 0.7500
AMDAR WIND VECTOR DIFF (M/S) BR722437 PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=20.6298, expected range: 0.0000 40.6749
AMDAR WIND VECTOR DIFF (M/S) BR948097 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: avg_fgdepar=21.8283, expected range: -2.7931 30.5226
Severe: rms_fgdepar=21.8610, expected range: 0.0000 31.7537
AMDAR WIND VECTOR DIFF (M/S) BR948097 (2 pressure layers affected) : out of range
Severe: avg_pge=0.8504, expected range: 0.3550 0.7500
WIGOS AMDAR Q (G/KG) BPZGUWRA PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: avg_fgdepar=-6.7507, expected range: -10.8974 11.4924
Severe: rms_fgdepar=6.7769, expected range: 0.0000 10.3733
prof
EUROPEAN WIND PROFILER VECTOR DIFF (M/S) PRESSURE LAYER 600-900 (HPA) : out of range
Considerable: obs_number=324.0000, expected range: 0.0000 196.8785
pilot
LAND PILOT WIND VECTOR DIFF (M/S) 97260 PRESSURE LAYER 900-1200 (HPA) : out of range
10 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8501, expected range: -0.2309 0.7500
synop
MANUAL LAND SYNOP RH2M (%) 76040 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_pge=1.0000, expected range: -1.2105 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42295 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=1536.1748, expected range: 1480.6642 1608.5430
Severely_persistent: rms_fgdepar=1536.1748, expected range: 1480.6642 1608.5430
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 41998 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8056, expected range: -1.4671 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 91682 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=681.3985, expected range: 0.0000 1121.9639
Severely_persistent: avg_pge=0.9265, expected range: -0.7122 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 55664 : out of range
28 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=506.5257, expected range: -1214.0163 1663.1620
Severely_persistent: rms_fgdepar=877.9335, expected range: 0.0000 1834.1383
AUTOMATIC LAND SYNOP RH2M (%) 35662 : out of range
Severe: rms_fgdepar=37.2764, expected range: 0.0000 13.8475
MANUAL LAND SYNOP RH2M (%) 38933 : out of range
3 times in the last 10 days for at least one item
Severe: avg_pge=0.9530, expected range: -0.4530 0.7500
MANUAL LAND SYNOP RH2M (%) 62306 : out of range
Severe: rms_fgdepar=39.3385, expected range: 0.0000 14.7144
Severe: avg_pge=0.9744, expected range: 0.0007 0.0054
MANUAL LAND SYNOP RH2M (%) 35426 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=30.7660, expected range: 0.0000 15.1503
MANUAL LAND SYNOP RH2M (%) 68098 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=59.3542, expected range: -79.7611 139.3975
Severe: rms_fgdepar=59.3542, expected range: 0.0000 139.3975
Severe: avg_pge=0.9807, expected range: -1.9487 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 43181 : out of range
3 times in the last 10 days for at least one item
Severe: rms_fgdepar=550.7980, expected range: 0.0000 93.9196
Severe: avg_pge=0.8856, expected range: -0.1461 0.1670
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 97284 : out of range
Severe: rms_fgdepar=359.8725, expected range: 0.0000 98.7784
Severe: avg_pge=0.8018, expected range: 0.0000 0.0000
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 82795 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=506.8411, expected range: -40.6061 108.2502
Severe: rms_fgdepar=506.8411, expected range: 0.0000 108.2502
Severe: avg_pge=0.8785, expected range: -0.1571 0.1783
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 86128 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8246, expected range: -0.9285 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 43359 : out of range
Severe: avg_fgdepar=-533.4881, expected range: -418.6324 202.8564
Severe: rms_fgdepar=533.4881, expected range: 0.0000 400.1122
Severe: avg_pge=0.8846, expected range: -1.1903 0.7500
BUFR LAND SYNOP RH2M (%) 93791 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-51.1192, expected range: -113.5931 60.7368
Severe: rms_fgdepar=51.1192, expected range: 0.0000 104.4966
BUFR LAND SYNOP RH2M (%) 10033 : out of range
Severe: rms_fgdepar=30.1626, expected range: 0.0000 16.9609
BUFR LAND SYNOP RH2M (%) 71244 : out of range
Severe: rms_fgdepar=30.6668, expected range: 0.0000 13.5537
BUFR LAND SYNOP RH2M (%) 94215 : out of range
4 times in the last 10 days for at least one item
Severe: avg_pge=0.9760, expected range: -1.1276 0.7500
BUFR LAND SYNOP RH2M (%) 94849 : out of range
Severe: rms_fgdepar=43.5051, expected range: 0.0000 23.7505
BUFR LAND SYNOP RH2M (%) 16459 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.9233, expected range: -1.0402 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 23443 : out of range
Severe: rms_fgdepar=325.0106, expected range: 0.0000 67.9003
BUFR LAND SYNOP SURFACE PRESSURE (PA) 24725 : out of range
Severe: rms_fgdepar=581.0178, expected range: 0.0000 131.4525
BUFR LAND SYNOP SURFACE PRESSURE (PA) 61277 : out of range
Severe: rms_fgdepar=321.5595, expected range: 0.0000 103.5046
ship
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 2IYH2 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8508, expected range: 0.3317 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9V9925 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=21.7772, expected range: -24.0075 42.6363
Severely_persistent: rms_fgdepar=21.7772, expected range: 0.0000 43.7219
SHIP SURFACE PRESSURE (PA) 3FOC5 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-570.1848, expected range: -721.0442 451.7878
Severe: rms_fgdepar=570.1848, expected range: 0.0000 871.9183
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) D5DS2 : out of range
Severe: rms_fgdepar=17.5461, expected range: 0.0000 10.5592
Severe: avg_pge=0.8939, expected range: -1.0132 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) VRMD3 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8884, expected range: -0.9242 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 3FOC5 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=-570.1848, expected range: -397.7983 313.9422
Severe: rms_fgdepar=570.1848, expected range: 0.0000 488.6806
Severe: avg_pge=0.8442, expected range: -0.9750 0.7500
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 3301601 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=462.8750, expected range: 0.0000 195.6194
Severe: avg_pge=0.8799, expected range: -0.1784 0.2621
DRIFTING BUOYS SURFACE PRESSURE (PA) 5601521 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=433.2010, expected range: 0.0000 95.1127
metar
METAR SURFACE PRESSURE (PA) SAZN : out of range
Severe: rms_fgdepar=308.0691, expected range: 0.0000 117.0962
t2m
BUFR LAND SYNOP 2M TEMPERATURE (K) 27415 : out of range
34 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-16.3345, expected range: -21.6295 -11.7668
Severely_persistent: rms_fgdepar=16.4731, expected range: 12.4310 21.7262
MANUAL LAND SYNOP 2M TEMPERATURE (K) 89055 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-13.6727, expected range: -15.0121 9.4999
Severe: rms_fgdepar=13.7039, expected range: 0.0000 15.2314
Severe: avg_est_pge=0.8028, expected range: -0.4842 1.1134
MANUAL LAND SYNOP 2M TEMPERATURE (K) 67667 : out of range
Severe: rms_fgdepar=10.6812, expected range: 0.0000 1.9262
METAR 2M TEMPERATURE (K) MHLC : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=12.5750, expected range: -0.3657 5.0762
Severe: rms_fgdepar=12.5750, expected range: 0.3495 5.3445
METAR 2M TEMPERATURE (K) MMTM : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=10.9828, expected range: 0.0000 3.6134
BUFR LAND SYNOP 2M TEMPERATURE (K) 85504 : out of range
Severe: avg_fgdepar=14.9861, expected range: -1.5196 4.0242
Severe: rms_fgdepar=15.0141, expected range: 0.2575 5.3587
Severe: avg_est_pge=0.8153, expected range: -0.0500 0.3204
BUFR LAND SYNOP 2M TEMPERATURE (K) 89055 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-13.6080, expected range: -14.7599 8.8315
Severe: rms_fgdepar=13.6279, expected range: 0.0000 15.6428
rh2m
MANUAL LAND SYNOP RH2M (%) 70251 : out of range
Severe: rms_fgdepar=33.7264, expected range: 0.0000 19.1498
METAR RH2M (%) OPOR : out of range
Severe: rms_fgdepar=30.0091, expected range: 0.0000 16.9705