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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-09-17 12:00

iasi
METOP-B IASI RADIANCES CHANNEL 131 : out of range
10 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.3398, expected range: 0.3647 0.3939
airs
AQUA AIRS RADIANCES CHANNEL 92 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.2296, expected range: -0.2047 -0.1901
AQUA AIRS RADIANCES CHANNEL 93 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.0887, expected range: -0.0662 -0.0495
AQUA AIRS RADIANCES CHANNEL 99 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.0232, expected range: 0.0522 0.0589
AQUA AIRS RADIANCES CHANNEL 104 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.0304, expected range: 0.0632 0.0856
AQUA AIRS RADIANCES CHANNEL 111 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.0599, expected range: -0.0406 -0.0186
AQUA AIRS RADIANCES CHANNEL 116 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.0083, expected range: 0.0552 0.0707
AQUA AIRS RADIANCES CHANNEL 117 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.0083, expected range: 0.0319 0.0412
AQUA AIRS RADIANCES CHANNEL 123 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.0945, expected range: -0.0765 -0.0567
AQUA AIRS RADIANCES CHANNEL 128 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.0365, expected range: 0.0691 0.0911
Severely_persistent: avg_biascorr=-0.0271, expected range: -0.1371 -0.1007
AQUA AIRS RADIANCES CHANNEL 129 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.1060, expected range: -0.0800 -0.0541
Severely_persistent: avg_biascorr=-0.1376, expected range: -0.2188 -0.1793
AQUA AIRS RADIANCES CHANNEL 138 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.0002, expected range: -0.1636 -0.1068
atms
NOAA20 ATMS RADIANCES CHANNEL 11 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.4348, expected range: -0.3783 -0.3764
ssmis
DMSP-18 SSMIS RADIANCES CHANNEL 7 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=4.8714, expected range: 3.5281 4.2196
gpsro
SENTINEL 6A GPSRO RISING HEIGHT 20-22 KM : out of range
Slight: avg_norm_fgdepar=-0.1884, expected range: -0.1224 0.0433
resat
NOAA-19 SBUV OZONE, TOP PRESSURE LAYER 10-11 (HPA) : out of range
19 times in the last 10 days for at least one item
Severely_persistent: stdev_fgdepar=0.0088, expected range: 0.0062 0.0068
Severely_persistent: avg_fgdepar=-0.0252, expected range: -0.0344 -0.0324
METOP-B GOME-2 OZONE, TOP PRESSURE LAYER 12-13 (HPA) : out of range
12 times in the last 10 days for at least one item
Severely_persistent: stdev_fgdepar=4.3586, expected range: 5.0442 5.2397
NOAA-19 SBUV OZONE, TOP PRESSURE LAYER 1010-1011 (HPA) : out of range
13 times in the last 10 days for at least one item
Slight: avg_fgdepar=-3.8295, expected range: -3.3301 -3.3301
NOAA-19 SBUV OZONE, TOP PRESSURE LAYER 1600-1601 (HPA) : out of range
9 times in the last 10 days for at least one item
Slight: stdev_fgdepar=3.4599, expected range: 2.8292 3.3217
Radiosondes
LAND TEMP Q (G/KG) 38341 PRESSURE LAYER 900-1200 (HPA) : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=6.1340, expected range: -5.8578 17.4015
Severely_persistent: rms_fgdepar=6.1340, expected range: 0.0000 17.3382
LAND TEMP TEMPERATURE (K) 32150 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=6.3203, expected range: 0.0000 3.5065
Severe: avg_pge=0.8451, expected range: -0.8014 0.7500
LAND TEMP Q (G/KG) 27594 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=2.3802, expected range: 0.0000 0.8745
HIGH RESO LAND TEMP TEMPERATURE (K) 47945 PRESSURE LAYER 300-600 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=6.9864, expected range: 0.0614 0.8340
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) (3 pressure layers affected : out of range
1 times in the last 10 days for at least one item
Severe: obs_number=139.0000, expected range: 7.4805 29.5195
HIGH RESO LAND TEMP Q (G/KG) 72305 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=4.0891, expected range: 0.0000 1.6871
HIGH RESO LAND TEMP Q (G/KG) (3 pressure layers affected) : out of range
Severe: obs_number=101.0000, expected range: 376.9524 385.2976
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 30 : all data missing
Severe: obs_number=0, expected range: 45.17 457.55
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 82 : all data missing
Severe: obs_number=0, expected range: 84.19 118.31
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 83 : all data missing
Severe: obs_number=0, expected range: 83.64 107.02
All HIGH RESO SEA TEMP ALL LAYERS Alantic Tropical are : all data missing
Severe: obs_number=0, expected range: 152.26 170.14
All BUFR TEMP DESCENT ALL LAYERS North Atlantic : all data missing
Severe: obs_number=0, expected range: 71.03 125.47
All BUFR TEMP DESCENT ALL LAYERS Alantic Tropical are : all data missing
Severe: obs_number=0, expected range: 81.16 103.34
amdar
TAMDAR WIND VECTOR DIFF (M/S) 00005178 PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=22.7123, expected range: -0.7936 33.7162
Severe: rms_fgdepar=22.8424, expected range: 0.0000 34.1794
WIGOS AMDAR TEMPERATURE (K) JBAIR3RA PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=8.2936, expected range: 0.0000 1.4839
Severe: avg_pge=0.8346, expected range: -0.0980 0.1146
WIGOS AMDAR WIND VECTOR DIFF (M/S) GNDSTLBA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.5823, expected range: 0.0000 6.4628
WIGOS AMDAR WIND VECTOR DIFF (M/S) 1GNAZDJA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=15.4319, expected range: 0.4811 5.2409
MODE-S WIND VECTOR DIFF (M/S) M55B3C5 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=15.4880, expected range: 0.4553 3.4150
MODE-S WIND VECTOR DIFF (M/S) MCB835C PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=17.8405, expected range: 0.0000 8.4255
synop
AUTOMATIC LAND SYNOP RH2M (%) : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=32.8973, expected range: -8.8569 20.7978
Severely_persistent: rms_fgdepar=32.8973, expected range: 0.0000 20.7978
Severely_persistent: avg_pge=0.8223, expected range: -1.4724 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 71588 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=534.9688, expected range: 399.3023 534.1051
AUTOMATIC LAND SYNOP RH2M (%) 34498 : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=32.8973, expected range: 0.0000 20.7978
Severe: avg_pge=0.8223, expected range: -1.4724 0.7500
All AUTOMATIC LAND SYNOP WMO BLOCK 17 : all data missing
Severe: obs_number=0, expected range: 52.28 377.75
All AUTOMATIC LAND SYNOP WMO BLOCK 18 : all data missing
Severe: obs_number=0, expected range: 32.48 240.45
MANUAL LAND SYNOP RH2M (%) 62120 : out of range
4 times in the last 10 days for at least one item
Severe: avg_pge=0.9993, expected range: -0.8576 0.7500
MANUAL LAND SYNOP RH2M (%) 67280 : out of range
Severe: avg_pge=0.9469, expected range: -2.0971 0.7500
MANUAL LAND SYNOP RH2M (%) 15712 : out of range
Severe: rms_fgdepar=30.3497, expected range: 0.0000 16.4260
MANUAL LAND SYNOP RH2M (%) 33883 : out of range
Severe: rms_fgdepar=31.7601, expected range: 0.0000 17.3178
MANUAL LAND SYNOP RH2M (%) 41184 : out of range
Severe: rms_fgdepar=30.3809, expected range: 0.0000 15.4049
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 78670 : out of range
Severe: avg_fgdepar=518.5177, expected range: -149.9248 126.7737
Severe: rms_fgdepar=807.8876, expected range: 0.0000 185.1358
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 41697 : out of range
Severe: rms_fgdepar=317.4387, expected range: 0.0000 248.0853
Severe: avg_pge=0.8164, expected range: -0.3577 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 86128 : out of range
Severe: rms_fgdepar=328.5301, expected range: 0.0000 296.4776
Severe: avg_pge=0.8163, expected range: -0.8726 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 68109 : out of range
Severe: avg_fgdepar=558.0094, expected range: -167.9227 126.9459
Severe: rms_fgdepar=756.9728, expected range: 0.0000 132.6060
BUFR LAND SYNOP RH2M (%) 68541 : out of range
Severe: rms_fgdepar=32.2218, expected range: 0.0000 16.3232
BUFR LAND SYNOP RH2M (%) 13581 : out of range
Severe: avg_fgdepar=65.3145, expected range: -4.8864 26.0374
Severe: rms_fgdepar=65.3994, expected range: 0.0000 24.0603
BUFR LAND SYNOP RH2M (%) 13591 : out of range
Severe: rms_fgdepar=34.2004, expected range: 0.0000 10.1363
BUFR LAND SYNOP RH2M (%) 13183 : out of range
Severe: rms_fgdepar=34.0991, expected range: 0.0000 16.3975
BUFR LAND SYNOP RH2M (%) _8075D97 : out of range
Severe: rms_fgdepar=45.4285, expected range: 0.0000 15.7944
BUFR LAND SYNOP RH2M (%) 28748 : out of range
Severe: rms_fgdepar=42.8780, expected range: 0.0000 16.7535
Severe: avg_pge=0.8889, expected range: 0.0001 0.0057
BUFR LAND SYNOP RH2M (%) : out of range
Severe: rms_fgdepar=22.0030, expected range: 4.8830 12.3522
BUFR LAND SYNOP SURFACE PRESSURE (PA) 13461 : out of range
Severe: rms_fgdepar=391.8432, expected range: 0.0000 174.6176
BUFR LAND SYNOP SURFACE PRESSURE (PA) 13274 : out of range
Severe: rms_fgdepar=395.3358, expected range: 0.0000 95.8688
BUFR LAND SYNOP SURFACE PRESSURE (PA) 13388 : out of range
Severe: rms_fgdepar=361.7236, expected range: 0.0000 167.6068
ship
AUTOMATIC SHIP WIND VECTOR DIFF (M/S) 62150 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8035, expected range: -0.8789 0.7500
AUTOMATIC SHIP WIND VECTOR DIFF (M/S) 62132 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8683, expected range: -0.6591 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) DCPP2 : out of range
Severe: rms_fgdepar=15.8333, expected range: 0.0000 15.4491
Severe: avg_pge=0.9068, expected range: -1.2155 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9HA5063 : out of range
Severe: rms_fgdepar=19.3577, expected range: 0.0000 16.7404
Severe: avg_pge=0.9035, expected range: -0.7270 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) VRNI7 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=23.7465, expected range: -2.9778 6.7151
Severe: rms_fgdepar=23.7465, expected range: 0.0000 6.8339
Severe: avg_pge=0.9244, expected range: -0.8755 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) PHDL : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8338, expected range: -0.8601 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) WNGW : out of range
Severe: rms_fgdepar=15.6393, expected range: 0.0000 9.8682
Severe: avg_pge=0.8936, expected range: -1.1162 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) D5BF7 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=-505.3842, expected range: -1692.4411 1611.4883
Severe: rms_fgdepar=505.3842, expected range: 0.0000 922.8784
Severe: avg_pge=0.8377, expected range: -1.0916 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) MAOR7 : out of range
Severe: rms_fgdepar=343.1627, expected range: 0.0000 64.9310
BUFR SHIP SYNOP SURFACE PRESSURE (PA) TBWUK68 : out of range
Severe: avg_fgdepar=587.3449, expected range: -150.4596 172.3588
Severe: rms_fgdepar=587.3449, expected range: 0.0000 127.7314
Severe: avg_pge=0.8399, expected range: -0.1562 0.1753
BUFR SHIP SYNOP SURFACE PRESSURE (PA) KIAB : out of range
Severe: avg_fgdepar=533.1194, expected range: 107.7184 988.9634
Severe: rms_fgdepar=533.1194, expected range: 108.6677 988.2072
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 7JNQ : out of range
Severe: avg_fgdepar=563.5812, expected range: -104.2875 480.7523
Severe: rms_fgdepar=563.5812, expected range: 0.0000 480.7523
Severe: avg_pge=0.8080, expected range: -0.5090 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) H3JW : out of range
Severe: avg_fgdepar=640.3860, expected range: -562.8200 1831.1989
Severe: rms_fgdepar=640.3860, expected range: 0.0000 1831.1989
Severe: avg_pge=0.8437, expected range: 0.2876 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) WBX9UMX : out of range
Severe: avg_fgdepar=559.3292, expected range: -260.9943 129.8241
Severe: rms_fgdepar=559.5746, expected range: 0.0000 232.4694
Severe: avg_pge=0.8840, expected range: -0.8398 0.7500
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 6501670 : out of range
10 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8442, expected range: -1.2442 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 5401581 : out of range
Severe: rms_fgdepar=460.0897, expected range: 0.0000 145.8838
Severe: avg_pge=0.8769, expected range: -0.2468 0.5446
DRIFTING BUOYS SURFACE PRESSURE (PA) 4802592 : out of range
Severe: rms_fgdepar=309.0556, expected range: 0.0000 109.7224
DRIFTING BUOYS SURFACE PRESSURE (PA) 2302614 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=488.1861, expected range: 0.0000 139.8374
Severe: avg_pge=0.8929, expected range: -0.2861 0.3638
DRIFTING BUOYS SURFACE PRESSURE (PA) 4802586 : out of range
Severe: rms_fgdepar=431.1472, expected range: 0.0000 84.8900
DRIFTING BUOYS SURFACE PRESSURE (PA) 1301619 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=309.6374, expected range: 0.0000 135.6429
metar
METAR SURFACE PRESSURE (PA) KROC : out of range
Severe: avg_fgdepar=901.8134, expected range: -29.3493 111.9213
Severe: rms_fgdepar=1078.5275, expected range: 0.0000 114.7279
Severe: avg_pge=0.9071, expected range: 0.0000 0.0000
METAR SURFACE PRESSURE (PA) LBPG : out of range
Severe: rms_fgdepar=385.5042, expected range: 0.0000 218.9162
METAR SURFACE PRESSURE (PA) SBSM : out of range
Severe: rms_fgdepar=322.5218, expected range: 0.0000 106.9242
METAR SURFACE PRESSURE (PA) ROTM : out of range
Severe: rms_fgdepar=326.7639, expected range: 0.0000 123.5817
AUTOMATIC METAR SURFACE PRESSURE (PA) LIRK : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=686.9174, expected range: -338.4095 817.5747
Severe: rms_fgdepar=707.8474, expected range: 0.0000 810.9464
snow
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=-767.6051, expected range: -776.8080 -770.3632
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=768.0712, expected range: 770.3631 776.8082
BUFR LAND SYNOP SNOW (CM) _MF12FF7 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=53.4545, expected range: 31.8912 62.1912
BUFR LAND SYNOP SNOW (CM) _MF12FF7 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=53.4909, expected range: 33.6417 61.2145
t2m
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13149 : out of range
24 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-17.2443, expected range: -21.7111 -12.5419
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13149 : out of range
24 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=17.2565, expected range: 12.5977 21.7079
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
36 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-14.6121, expected range: -20.4982 -12.1012
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
36 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=14.7106, expected range: 12.1207 20.4999
MANUAL LAND SYNOP 2M TEMPERATURE (K) 80099 : out of range
Severe: rms_fgdepar=13.2192, expected range: 0.0000 5.8664
BUFR LAND SYNOP 2M TEMPERATURE (K) 13581 : out of range
Severe: rms_fgdepar=10.3677, expected range: 0.0000 3.6985
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1C7FB : out of range
Severe: rms_fgdepar=11.6755, expected range: 0.0000 6.5129
BUFR LAND SYNOP 2M TEMPERATURE (K) : out of range
1 times in the last 10 days for at least one item
Severe: obs_number=3352.0000, expected range: 5716.1116 6216.3590
Considerable: obs_number=1217.0000, expected range: 2129.9562 2426.4883
rh2m
BUFR LAND SYNOP RH2M (%) _8075D97 : out of range
Severe: rms_fgdepar=34.4456, expected range: 3.5194 19.9942
BUFR LAND SYNOP RH2M (%) _MI1485A : out of range
Severe: rms_fgdepar=30.7440, expected range: 0.0000 13.4992
BUFR LAND SYNOP RH2M (%) _MI15B1E : out of range
Severe: rms_fgdepar=32.6075, expected range: 0.0000 18.0808