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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-07-03 00:00

amsua
METOP-B AMSUA ALL SKY RADIANCES CHANNEL 13 : out of range
20 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.0849, expected range: 0.1615 0.1746
METOP-C AMSUA ALL SKY RADIANCES CHANNEL 13 : out of range
18 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.4043, expected range: -0.3521 -0.3372
iasi
METOP-B IASI RADIANCES CHANNEL 5403 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.0007, expected range: 0.0330 0.0657
METOP-B IASI RADIANCES CHANNEL 5480 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.4060, expected range: -0.3632 -0.3509
METOP-B IASI RADIANCES CHANNEL 163 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.2349, expected range: 0.2658 0.2701
METOP-B IASI RADIANCES CHANNEL 170 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1808, expected range: 0.2102 0.2265
METOP-B IASI RADIANCES CHANNEL 1513 : out of range
10 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.1616, expected range: -0.1438 -0.1243
METOP-B IASI RADIANCES CHANNEL 335 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.1738, expected range: -0.1480 -0.1306
METOP-C IASI RADIANCES CHANNEL 5480 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.4188, expected range: -0.3812 -0.3518
METOP-C IASI RADIANCES CHANNEL 113 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1859, expected range: 0.2140 0.2399
METOP-C IASI RADIANCES CHANNEL 138 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.2262, expected range: 0.2484 0.2705
METOP-C IASI RADIANCES CHANNEL 144 : out of range
11 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1565, expected range: 0.1943 0.2110
METOP-C IASI RADIANCES CHANNEL 163 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.2118, expected range: 0.2424 0.2476
METOP-C IASI RADIANCES CHANNEL 170 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1701, expected range: 0.1863 0.2032
METOP-C IASI RADIANCES CHANNEL 183 : out of range
15 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1698, expected range: 0.1896 0.1941
METOP-C IASI RADIANCES CHANNEL 189 : out of range
13 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1272, expected range: 0.1601 0.1715
METOP-C IASI RADIANCES CHANNEL 329 : out of range
13 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.2564, expected range: -0.2326 -0.2194
METOP-C IASI RADIANCES CHANNEL 335 : out of range
11 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.2253, expected range: -0.1965 -0.1689
METOP-C IASI RADIANCES CHANNEL 360 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.2167, expected range: -0.1894 -0.1739
cris
NOAA20 CRIS RADIANCES CHANNEL 33 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=0.1750, expected range: 0.1992 0.2229
NOAA20 CRIS RADIANCES (33 channels affected) : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=245.0000, expected range: 0.0000 90.8998
gpsro
All COSMIC2-E5 GPSRO RISING ALL HEIGHTS Global : all data missing
Severe: obs_number=0, expected range: 578.41 3319.92
Atmospheric Motion Vector
All AQUA MODIS CLEAR WV ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 145.92 790.02
Radiosondes
LAND TEMP TEMPERATURE (K) 26075 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=7.1860, expected range: 0.0000 3.8243
LAND TEMP TEMPERATURE (K) PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: obs_number=65.0000, expected range: 10.9174 20.7493
HIGH RESO LAND TEMP Q (G/KG) (3 pressure layers affected) : out of range
1 times in the last 10 days for at least one item
Severe: obs_number=183.0000, expected range: 85.0679 97.2178
Severe: obs_number=159.0000, expected range: 87.9175 96.0825
HIGH RESO LAND TEMP Q (G/KG) 43371 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=2.0449, expected range: 0.0000 1.1126
HIGH RESO LAND TEMP Q (G/KG) 08383 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=2.8321, expected range: 0.0000 1.0853
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 55 : all data missing
Severe: obs_number=0, expected range: 84.89 232.61
HIGH RESO LAND TEMP Q (G/KG) PRESSURE LAYER 300-600 (HPA) : out of range
Considerable: rms_fgdepar=1.4598, expected range: 0.0000 0.9150
Considerable: rms_fgdepar=1.5669, expected range: 0.0000 0.9670
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) (2 pressure layers affected : out of range
3 times in the last 10 days for at least one item
Considerable: obs_number=472.0000, expected range: 551.0427 575.2073
amdar
WIGOS AMDAR Q (G/KG) BSTXQVBA PRESSURE LAYER 900-1200 (HPA) : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-6.6428, expected range: -10.6418 1.2368
Severely_persistent: rms_fgdepar=6.6432, expected range: 0.0000 10.6921
Severely_persistent: avg_pge=0.9085, expected range: -0.6055 0.7500
AMDAR WIND VECTOR DIFF (M/S) ANZ109 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=17.1117, expected range: 0.0000 13.8679
Severe: avg_pge=0.8445, expected range: -0.3487 0.4341
WIGOS AMDAR TEMPERATURE (K) BRRUNVRA PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=7.3996, expected range: 0.0170 1.2216
ADS-C WIND VECTOR DIFF (M/S) 03PJXUBA PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=30.2422, expected range: 0.0000 26.2447
ADS-C WIND VECTOR DIFF (M/S) C03XONRA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=15.9610, expected range: 0.0000 8.7747
ADS-C WIND VECTOR DIFF (M/S) EN5IHQRA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=22.6585, expected range: 0.0000 9.3557
ADS-C WIND VECTOR DIFF (M/S) GOPE5MZA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: avg_fgdepar=27.6056, expected range: -3.2036 12.1374
Severe: rms_fgdepar=30.0330, expected range: 0.0000 17.6316
airep
AIREP WIND VECTOR DIFF (M/S) KLM142 PRESSURE LAYER 0-300 (HPA) : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=20.4983, expected range: 0.0000 12.1650
AIREP WIND VECTOR DIFF (M/S) RJA264D PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=18.2595, expected range: 0.0000 7.0021
AIREP WIND VECTOR DIFF (M/S) RJA262N PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=19.5261, expected range: 0.2356 6.3674
AIREP WIND VECTOR DIFF (M/S) BAW23T PRESSURE LAYER 0-300 (HPA) : out of range
Severe: avg_fgdepar=21.2725, expected range: -0.2919 6.2986
Severe: rms_fgdepar=30.3444, expected range: 0.0000 7.2403
All AIREP ALL LAYERS Indian Ocean : all data missing
Severe: obs_number=0, expected range: 709.71 1593.41
All AIREP ALL LAYERS Indian Ocean Tropica : all data missing
Severe: obs_number=0, expected range: 560.78 1048.09
prof
EUROPEAN WIND PROFILER VECTOR DIFF (M/S) 06234 PRESSURE LAYER 300-600 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=25.9082, expected range: -11.5489 20.8856
Severe: rms_fgdepar=25.9082, expected range: 0.0000 20.4421
Severe: avg_pge=0.8998, expected range: -1.0211 0.7500
pilot
LAND PILOT WIND VECTOR DIFF (M/S) 48914 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: avg_fgdepar=21.7601, expected range: -1.0075 5.0817
Severe: rms_fgdepar=21.7601, expected range: 0.0000 4.9271
Severe: avg_pge=0.8872, expected range: -0.3593 0.4106
synop
MANUAL LAND SYNOP RH2M (%) 62120 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9483, expected range: -1.8649 0.7500
BUFR LAND SYNOP RH2M (%) 64040 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9109, expected range: -1.0180 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=834.7088, expected range: 520.4728 1136.6071
Severely_persistent: rms_fgdepar=836.4184, expected range: 522.2695 1137.9490
BUFR LAND SYNOP SURFACE PRESSURE (PA) 81996 : out of range
10 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-656.8270, expected range: -1065.9583 -242.3025
Severely_persistent: rms_fgdepar=686.0958, expected range: 304.6712 1049.6166
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 89564 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=366.2133, expected range: 0.0000 168.3053
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) : out of range
3 times in the last 10 days for at least one item
Severe: obs_number=1671.0000, expected range: 1845.7927 1869.9573
MANUAL LAND SYNOP RH2M (%) 41710 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.9410, expected range: -0.9908 0.7500
MANUAL LAND SYNOP RH2M (%) 17350 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9838, expected range: -1.4308 0.7500
MANUAL LAND SYNOP RH2M (%) 41560 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=37.3002, expected range: 0.0000 15.0692
MANUAL LAND SYNOP RH2M (%) 68234 : out of range
Severe: rms_fgdepar=42.2953, expected range: 0.0000 22.7071
MANUAL LAND SYNOP RH2M (%) 40305 : out of range
Severe: rms_fgdepar=38.2720, expected range: 9.1770 33.5986
Severe: avg_pge=0.9433, expected range: -0.0843 0.1623
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 86210 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8637, expected range: -1.1443 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 80211 : out of range
Severe: avg_fgdepar=-777.2016, expected range: -393.2452 335.2306
Severe: rms_fgdepar=1019.3888, expected range: 0.0000 280.6748
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 60471 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8798, expected range: -1.5057 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 82792 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=331.0365, expected range: 0.0000 216.8307
Severe: avg_pge=0.8178, expected range: -0.9983 0.7500
BUFR LAND SYNOP RH2M (%) 13600 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.9961, expected range: -1.5139 0.7500
BUFR LAND SYNOP RH2M (%) 36501 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=30.4610, expected range: 0.0000 16.5615
BUFR LAND SYNOP RH2M (%) 72363 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=44.9173, expected range: 0.0000 32.3150
Severe: avg_pge=0.8292, expected range: 0.0006 0.0052
BUFR LAND SYNOP RH2M (%) 15254 : out of range
Severe: rms_fgdepar=32.7755, expected range: 0.0000 15.3994
BUFR LAND SYNOP RH2M (%) 72464 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=44.2272, expected range: 0.0000 30.8470
Severe: avg_pge=0.9915, expected range: 0.0015 0.0038
BUFR LAND SYNOP RH2M (%) 06617 : out of range
Severe: rms_fgdepar=39.5310, expected range: 0.0000 17.7053
BUFR LAND SYNOP SURFACE PRESSURE (PA) 34514 : out of range
Severe: rms_fgdepar=417.3432, expected range: 0.0000 156.8822
Severe: avg_pge=0.8476, expected range: -0.1489 0.1766
BUFR LAND SYNOP SURFACE PRESSURE (PA) 71476 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8541, expected range: 0.3758 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 71786 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8290, expected range: 0.4903 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48037 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=507.4590, expected range: 0.0000 220.1351
Severe: avg_pge=0.8872, expected range: -0.5928 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 42077 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8303, expected range: -1.2297 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 23578 : out of range
Severe: rms_fgdepar=385.7158, expected range: 0.0000 127.3257
BUFR LAND SYNOP SURFACE PRESSURE (PA) 41978 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=547.0417, expected range: 0.0000 149.7717
ship
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9VPY4 : out of range
25 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=881.7767, expected range: 405.0667 1311.2370
Severely_persistent: rms_fgdepar=896.7510, expected range: 405.8230 1312.9241
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 3EJI6 : out of range
Severe: avg_fgdepar=21.2449, expected range: -3.5486 9.8215
Severe: rms_fgdepar=28.9164, expected range: 0.0000 10.1887
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 7KGK : out of range
Severe: avg_fgdepar=976.5154, expected range: -220.6709 131.5535
Severe: rms_fgdepar=976.5154, expected range: 0.0000 178.5428
Severe: avg_pge=0.8963, expected range: -0.2084 0.2425
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VNVZ : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=398.8549, expected range: 0.0000 216.7757
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 3101513 : out of range
17 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=548.4957, expected range: -468.7212 981.3563
Severely_persistent: rms_fgdepar=555.7477, expected range: 0.0000 975.1774
Severely_persistent: avg_pge=0.8923, expected range: -0.8406 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 6204561 : out of range
Severe: avg_fgdepar=-576.1928, expected range: -5.0021 83.1428
Severe: rms_fgdepar=576.1928, expected range: 1.3280 86.5819
Severe: avg_pge=0.9108, expected range: -0.0403 0.0501
DRIFTING BUOYS SURFACE PRESSURE (PA) 5601697 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=718.6788, expected range: -154.7855 126.0174
Severe: rms_fgdepar=721.5814, expected range: 0.0000 147.6543
Severe: avg_pge=0.9125, expected range: -0.1403 0.1692
metar
METAR SURFACE PRESSURE (PA) OIGK : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=699.1569, expected range: -940.6820 1022.1241
Severely_persistent: rms_fgdepar=702.2365, expected range: 0.0000 865.4080
Severely_persistent: avg_pge=0.8195, expected range: -1.2346 0.7500
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=-773.2457, expected range: -774.5839 -771.9639
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=773.2457, expected range: 771.9640 774.5840
BUFR LAND SYNOP SNOW (CM) _MI11588 : out of range
38 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=58.2222, expected range: 56.1464 65.8097
BUFR LAND SYNOP SNOW (CM) _MI11588 : out of range
38 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=58.9680, expected range: 56.8455 65.7733
t2m
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 89004 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-16.7328, expected range: -11.5227 9.9776
Severely_persistent: rms_fgdepar=16.7903, expected range: -6.0142 10.8387
METAR 2M TEMPERATURE (K) OIGK : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-13.9851, expected range: -15.2123 3.9851
Severely_persistent: rms_fgdepar=14.3321, expected range: 0.0000 15.3707
BUFR LAND SYNOP 2M TEMPERATURE (K) 89004 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-16.7147, expected range: -12.0902 10.0727
Severely_persistent: rms_fgdepar=16.7732, expected range: -6.1967 11.8830
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
32 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-17.7442, expected range: -19.9639 -15.5239
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
32 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=17.8427, expected range: 15.5245 19.9831
MANUAL LAND SYNOP 2M TEMPERATURE (K) 72363 : out of range
Severe: rms_fgdepar=10.4258, expected range: 1.6377 5.0726
METAR 2M TEMPERATURE (K) KNHK : out of range
Severe: avg_fgdepar=-13.3315, expected range: -1.0376 3.8193
Severe: rms_fgdepar=13.3315, expected range: 0.0000 6.6049
BUFR LAND SYNOP 2M TEMPERATURE (K) 37880 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=-12.2283, expected range: -4.4022 3.2722
Severe: rms_fgdepar=12.2283, expected range: 0.1737 4.8601
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13149 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-18.5142, expected range: -20.6779 -17.0318
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13149 : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=18.5142, expected range: 17.0520 20.6715
BUFR LAND SYNOP 2M TEMPERATURE (K) : out of range
1 times in the last 10 days for at least one item
Severe: avg_lsm=0.8081, expected range: 0.8866 0.9656
rh2m
LAND TEMP RH2M (%) 38064 : out of range
Severe: rms_fgdepar=39.2415, expected range: 0.0000 21.3006