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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-06-25 12:00

amsua
METOP-C AMSUA ALL SKY RADIANCES CHANNEL 13 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.4094, expected range: -0.3521 -0.3057
iasi
METOP-B IASI RADIANCES CHANNEL 2889 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=357.0000, expected range: 76.9426 191.6481
METOP-B IASI RADIANCES CHANNEL 2907 : out of range
2 times in the last 10 days for at least one item
Considerable: obs_number=585.0000, expected range: 111.5942 294.4944
METOP-B IASI RADIANCES CHANNEL 2944 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=349.0000, expected range: 73.3515 190.0578
METOP-B IASI RADIANCES CHANNEL 2958 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=457.0000, expected range: 89.9506 219.4945
METOP-B IASI RADIANCES CHANNEL 3029 : out of range
2 times in the last 10 days for at least one item
Considerable: obs_number=756.0000, expected range: 118.3544 423.3844
METOP-B IASI RADIANCES CHANNEL 3049 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=725.0000, expected range: 114.9573 392.3278
METOP-C IASI RADIANCES CHANNEL 2889 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=295.0000, expected range: 70.7624 173.7813
METOP-C IASI RADIANCES CHANNEL 2907 : out of range
2 times in the last 10 days for at least one item
Considerable: obs_number=518.0000, expected range: 118.0473 275.3543
METOP-C IASI RADIANCES CHANNEL 2944 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=292.0000, expected range: 67.8135 173.4384
METOP-C IASI RADIANCES CHANNEL 2958 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=391.0000, expected range: 99.0538 204.8152
METOP-C IASI RADIANCES CHANNEL 3029 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=698.0000, expected range: 147.0165 414.1740
METOP-C IASI RADIANCES CHANNEL 3049 : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=658.0000, expected range: 136.6240 378.4168
cris
NOAA20 CRIS RADIANCES CHANNEL 963 : out of range
Considerable: obs_number=218.0000, expected range: 82.8587 142.3803
NOAA20 CRIS RADIANCES CHANNEL 991 : out of range
Considerable: obs_number=205.0000, expected range: 77.8113 137.5078
gpsro
COSMIC2-E5 GPSRO SETTING (24 impact heights affected) : out of range
Slight: obs_number=704.0000, expected range: 1378.8912 3036.7559
Atmospheric Motion Vector
All AQUA MODIS CLEAR WV ALL LAYERS Global : all data missing
Severe: obs_number=0, expected range: 166.70 932.27
Geostationary CSR
HIMAWARI-8 AHI RADIANCES CHANNEL 3 : out of range
19 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1559, expected range: 0.0025 0.0597
Radiosondes
LAND TEMP Q (G/KG) 38341 PRESSURE LAYER 900-1200 (HPA) : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=6.7839, expected range: -1.1402 13.5465
LAND TEMP Q (G/KG) PRESSURE LAYER 900-1200 (HPA) : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-1.4221, expected range: -0.2120 1.0113
Considerable: avg_fgdepar=-1.8207, expected range: -0.6050 1.7564
Considerable: rms_fgdepar=2.2809, expected range: 1.1373 1.8727
Slight: rms_fgdepar=2.0200, expected range: 1.2662 1.9843
LAND TEMP Q (G/KG) 36096 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=5.6787, expected range: 0.0000 1.8880
LAND TEMP Q (G/KG) 36872 PRESSURE LAYER 900-1200 (HPA) : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=7.3219, expected range: -5.5026 15.2933
Severe: rms_fgdepar=7.3219, expected range: 0.0000 14.9453
LAND TEMP Q (G/KG) 36003 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: avg_fgdepar=6.2097, expected range: -3.1906 9.8852
Severe: rms_fgdepar=6.3472, expected range: 0.0000 10.2226
LAND TEMP WIND VECTOR DIFF (M/S) 20744 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=15.4324, expected range: 0.0000 4.7067
HIGH RESO LAND TEMP Q (G/KG) 96471 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=2.0596, expected range: 0.0000 0.9953
HIGH RESO LAND TEMP TEMPERATURE (K) 27707 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=6.3562, expected range: 0.5182 1.2458
Severe: avg_pge=0.8345, expected range: -0.1055 0.2278
HIGH RESO LAND TEMP TEMPERATURE (K) PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=3.4483, expected range: 0.2110 1.6358
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) 76394 PRESSURE LAYER 900-12 : out of range
Severe: rms_fgdepar=15.2917, expected range: 0.0000 6.1791
All HIGH RESO SEA TEMP ALL LAYERS Tropics : all data missing
Severe: obs_number=0, expected range: 89.14 107.61
All HIGH RESO SEA TEMP ALL LAYERS Alantic Tropical are : all data missing
Severe: obs_number=0, expected range: 89.14 107.61
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) (2 pressure layers affected : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=637.0000, expected range: 534.5750 560.1750
amdar
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0275 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: avg_fgdepar=27.0569, expected range: -2.5841 9.0077
Severe: rms_fgdepar=27.0742, expected range: 0.0000 9.7503
Severe: avg_pge=0.8968, expected range: -0.4452 0.6447
WIGOS AMDAR WIND VECTOR DIFF (M/S) MN5UKHZA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=18.5139, expected range: 0.0241 6.9581
WIGOS AMDAR WIND VECTOR DIFF (M/S) QM5ENWZA PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=16.7252, expected range: 0.0000 8.6546
WIGOS AMDAR WIND VECTOR DIFF (M/S) ZMOBATBA PRESSURE LAYER 300-600 (HP : out of range
Severe: rms_fgdepar=18.1890, expected range: 0.0000 5.6912
ADS-C WIND VECTOR DIFF (M/S) X0ZRVXRA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=20.3536, expected range: 0.0000 9.7671
airep
AIREP WIND VECTOR DIFF (M/S) ETD19G PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.7563, expected range: 0.1938 5.9852
synop
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 68918 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8767, expected range: -0.8387 0.7500
MANUAL LAND SYNOP RH2M (%) 62120 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9918, expected range: -1.7691 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 60471 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8347, expected range: -0.0201 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 76519 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=841.4879, expected range: -1956.7030 2473.9282
Severely_persistent: rms_fgdepar=846.0952, expected range: -1569.6585 2244.8245
Severely_persistent: avg_pge=0.9057, expected range: -1.2160 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 41573 : out of range
38 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=916.7755, expected range: 629.5795 1052.0633
Severely_persistent: rms_fgdepar=917.6211, expected range: 633.0127 1050.1480
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 68329 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=350.2011, expected range: 0.0000 235.0239
Severe: avg_pge=0.8380, expected range: -1.1150 0.7500
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 47639 : out of range
3 times in the last 10 days for at least one item
Severe: avg_pge=0.8051, expected range: -1.1517 0.7500
MANUAL LAND SYNOP RH2M (%) 42661 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9851, expected range: -0.1399 0.1690
MANUAL LAND SYNOP RH2M (%) 60765 : out of range
Severe: rms_fgdepar=38.9836, expected range: 5.3548 33.9120
Severe: avg_pge=0.9649, expected range: -0.2720 0.3848
MANUAL LAND SYNOP RH2M (%) 83319 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9383, expected range: -1.4460 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42834 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8626, expected range: -1.4866 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 40605 : out of range
Severe: rms_fgdepar=498.0751, expected range: -56.6088 80.6409
BUFR LAND SYNOP RH2M (%) 12100 : out of range
Severe: rms_fgdepar=31.9782, expected range: 0.0000 16.0978
BUFR LAND SYNOP RH2M (%) 42752 : out of range
Severe: avg_fgdepar=60.5104, expected range: -52.3235 58.8531
Severe: rms_fgdepar=60.5104, expected range: 0.0000 40.0376
Severe: avg_pge=1.0000, expected range: -0.0634 0.0839
BUFR LAND SYNOP RH2M (%) _3482192 : out of range
Severe: rms_fgdepar=40.1866, expected range: 0.0000 9.2015
BUFR LAND SYNOP RH2M (%) 35153 : out of range
Severe: rms_fgdepar=31.8265, expected range: 0.0000 17.7223
BUFR LAND SYNOP RH2M (%) 24826 : out of range
Severe: rms_fgdepar=44.3387, expected range: 0.0000 19.9181
Severe: avg_pge=0.8606, expected range: -0.0097 0.0179
BUFR LAND SYNOP SURFACE PRESSURE (PA) 25400 : out of range
Severe: rms_fgdepar=537.6755, expected range: 0.0000 201.4228
BUFR LAND SYNOP SURFACE PRESSURE (PA) 14551 : out of range
Severe: avg_pge=0.8202, expected range: -1.0377 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48074 : out of range
Severe: avg_pge=0.8985, expected range: -1.2121 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 41978 : out of range
Severe: rms_fgdepar=407.3207, expected range: 4.6078 119.7052
ship
All BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) WMO BLOCK 8 : all data missing
Severely_persistent: obs_number=0, expected range: 39.34 343.71
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9VPY4 : out of range
17 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=867.9391, expected range: 38.6480 1496.0428
Severely_persistent: rms_fgdepar=867.9391, expected range: 37.0370 1498.2611
Severely_persistent: avg_pge=0.8781, expected range: 0.6454 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 3FSA9 : out of range
34 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-581.3744, expected range: -789.8659 -291.6958
Severely_persistent: rms_fgdepar=581.3744, expected range: 293.1413 789.4585
Severely_persistent: avg_pge=0.8381, expected range: 0.7003 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) BAWPAEG : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=670.4098, expected range: -70.2194 1135.8822
Severely_persistent: rms_fgdepar=670.4558, expected range: 0.0000 1136.0108
All BUFR SHIP SYNOP WMO BLOCK 45 : all data missing
Severely_persistent: obs_number=0, expected range: 226.10 243.90
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9VHF2 : out of range
Severe: avg_pge=0.8011, expected range: -0.8800 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) LAOW5 : out of range
Severe: rms_fgdepar=422.6785, expected range: 0.0000 175.1141
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9HA4638 : out of range
Severe: avg_fgdepar=769.7997, expected range: -1559.0173 2297.1694
Severe: rms_fgdepar=769.7997, expected range: 0.0000 1771.1739
Severe: avg_pge=0.8616, expected range: -1.1086 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) KBAG : out of range
Severe: avg_fgdepar=708.5029, expected range: -62.6012 396.1368
Severe: rms_fgdepar=708.5029, expected range: 0.0000 399.8489
Severe: avg_pge=0.8468, expected range: -0.7912 0.7500
buoy
MOORED BUOYS WIND VECTOR DIFF (M/S) 2200192 : out of range
15 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9135, expected range: 0.3200 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 5401774 : out of range
21 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8389, expected range: -1.5101 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 5102722 : out of range
Severe: rms_fgdepar=389.9208, expected range: 0.0000 57.7921
snow
BUFR LAND SYNOP SNOW (CM) _MI1BC83 : out of range
30 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=53.7000, expected range: 42.2249 65.8367
BUFR LAND SYNOP SNOW (CM) _MI1BC83 : out of range
30 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=55.2168, expected range: 44.0140 65.7912
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=-773.7108, expected range: -773.1449 -772.4396
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=773.7110, expected range: 772.4398 773.1448
BUFR LAND SYNOP SNOW (CM) _MI11588 : out of range
25 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=66.5217, expected range: 37.0317 67.0901
BUFR LAND SYNOP SNOW (CM) _MI11588 : out of range
25 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=66.5680, expected range: 38.1675 66.8783
BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
34 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=59.6000, expected range: 54.8327 64.0233
BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
34 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=60.0709, expected range: 55.8902 63.9727
t2m
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
24 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-18.6915, expected range: -20.6594 -16.0552
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
24 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=18.6982, expected range: 16.0858 20.6659
MANUAL LAND SYNOP 2M TEMPERATURE (K) 42752 : out of range
Severe: rms_fgdepar=10.1193, expected range: 0.2126 4.8829
MANUAL LAND SYNOP 2M TEMPERATURE (K) 37785 : out of range
Severe: rms_fgdepar=11.0192, expected range: 0.0012 3.9126
METAR 2M TEMPERATURE (K) KADW : out of range
Severe: avg_fgdepar=-19.9876, expected range: -3.6815 0.7255
Severe: rms_fgdepar=19.9876, expected range: 0.0000 3.9733
Severe: avg_est_pge=0.8099, expected range: -0.0994 0.1459
LAND TEMP 2M TEMPERATURE (K) 61052 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=13.8691, expected range: 0.0000 13.6352
LAND TEMP 2M TEMPERATURE (K) 71924 : out of range
Severe: avg_fgdepar=19.2480, expected range: -2.2096 0.6809
Severe: rms_fgdepar=19.2480, expected range: 0.0000 2.0508
rh2m
BUFR LAND SYNOP RH2M (%) 86981 : out of range
Severe: rms_fgdepar=36.9846, expected range: 0.0000 20.4527