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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-11-20 12:00

amsua
NOAA-18 AMSUA ALL SKY RADIANCES CHANNEL 14 : out of range
1 times in the last 10 days for at least one item
Considerable: stdev_norm_fgdepar=0.6733, expected range: 0.5620 0.6347
AMSUA Pacific RARS
All NOAA-18 AMSUA ALL SKY CHANNELS Global : all data missing
Severely_persistent: obs_number=0, expected range: 359.87 1681.12
All NOAA-19 AMSUA ALL SKY CHANNELS Global : all data missing
Severely_persistent: obs_number=0, expected range: 114.61 1466.89
iasi
METOP-C IASI RADIANCES CHANNEL 1658 : out of range
4 times in the last 10 days for at least one item
Considerable: avg_biascorr=0.0840, expected range: 0.1059 0.1459
gpsro
All COSMIC2-E5 GPSRO RISING ALL HEIGHTS Global : all data missing
Severe: obs_number=0, expected range: 991.35 2712.10
Atmospheric Motion Vector
All HIMAWARI-8 AMV CLOUDY WV3 ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 256.69 867.14
resat
All AURA OMI ALL LAYERS Global : all data missing
Severe: obs_number=0, expected range: 17535.13 24230.99
Radiosondes
LAND TEMP TEMPERATURE (K) 30758 PRESSURE LAYER 900-1200 (HPA) : out of range
6 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=5.0936, expected range: 0.0000 4.7441
Severely_persistent: avg_pge=0.8375, expected range: -0.7199 0.7500
LAND TEMP WIND VECTOR DIFF (M/S) 37011 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=18.8396, expected range: 0.0000 8.5056
Severe: avg_pge=0.8987, expected range: -0.4716 0.7500
HIGH RESO LAND TEMP TEMPERATURE (K) 56985 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=7.2680, expected range: 0.2456 2.3053
HIGH RESO LAND TEMP TEMPERATURE (K) 87418 (2 pressure layers affected) : out of range
Severe: avg_pge=0.8445, expected range: -0.0820 0.1133
HIGH RESO LAND TEMP TEMPERATURE (K) 87418 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: avg_fgdepar=11.9562, expected range: -2.1957 2.7845
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) 57131 PRESSURE LAYER 0-300 : out of range
Severe: avg_fgdepar=38.1776, expected range: -0.1137 4.9318
Severe: rms_fgdepar=38.6050, expected range: 0.0000 5.9206
Severe: avg_pge=0.8924, expected range: -0.0637 0.0931
HIGH RESO LAND TEMP Q (G/KG) 87418 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=2.8239, expected range: 0.0000 0.6824
amdar
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU7058 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=18.0240, expected range: 0.0000 9.6563
WIGOS AMDAR TEMPERATURE (K) WV3GXHBA (4 pressure layers affected) : out of range
Severe: rms_fgdepar=8.3605, expected range: 0.0000 1.2518
WIGOS AMDAR TEMPERATURE (K) WV3GXHBA (2 pressure layers affected) : out of range
Severe: avg_pge=0.8680, expected range: -0.0213 0.0292
MODE-S WIND VECTOR DIFF (M/S) MF2F963 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.8556, expected range: 0.0000 7.7355
synop
BUFR LAND SYNOP SURFACE PRESSURE (PA) 81797 : out of range
38 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=592.1730, expected range: 528.4007 670.4812
Severely_persistent: rms_fgdepar=592.4230, expected range: 528.7279 670.7011
BUFR LAND SYNOP SURFACE PRESSURE (PA) 84825 : out of range
30 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-504.7817, expected range: -664.9893 -394.2352
Severely_persistent: rms_fgdepar=505.4591, expected range: 401.0958 661.0061
MANUAL LAND SYNOP RH2M (%) 42101 : out of range
Severe: avg_pge=0.9786, expected range: -0.0989 0.1394
MANUAL LAND SYNOP RH2M (%) 43029 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=53.0932, expected range: -39.1691 78.0048
Severe: rms_fgdepar=53.0932, expected range: 0.0000 78.0048
Severe: avg_pge=1.0000, expected range: -1.5490 0.7500
MANUAL LAND SYNOP RH2M (%) 67229 : out of range
3 times in the last 10 days for at least one item
Severe: avg_pge=0.8488, expected range: -1.6365 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 67152 : out of range
Severe: rms_fgdepar=690.5254, expected range: 0.0000 405.9471
BUFR LAND SYNOP RH2M (%) 02209 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-53.0950, expected range: -90.1783 44.3622
Severe: rms_fgdepar=53.4769, expected range: 0.0000 90.0901
BUFR LAND SYNOP RH2M (%) 12570 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=32.4071, expected range: 0.0000 15.2391
BUFR LAND SYNOP RH2M (%) 42851 : out of range
Severe: avg_pge=0.9225, expected range: -0.7247 0.7500
BUFR LAND SYNOP RH2M (%) 94399 : out of range
Severe: avg_fgdepar=58.7199, expected range: -33.1307 41.7185
Severe: rms_fgdepar=58.7199, expected range: 0.0000 28.1254
BUFR LAND SYNOP RH2M (%) 94515 : out of range
Severe: avg_pge=0.8939, expected range: -0.0236 0.0371
BUFR LAND SYNOP RH2M (%) 95208 : out of range
Severe: avg_fgdepar=58.4885, expected range: -34.0590 28.1840
Severe: rms_fgdepar=58.4885, expected range: 0.0000 25.3186
Severe: avg_pge=1.0000, expected range: -0.0016 0.0081
BUFR LAND SYNOP SURFACE PRESSURE (PA) 33187 : out of range
Severe: rms_fgdepar=354.1384, expected range: 0.0000 103.8989
BUFR LAND SYNOP SURFACE PRESSURE (PA) 33562 : out of range
3 times in the last 10 days for at least one item
Severe: rms_fgdepar=567.0544, expected range: 0.0000 57.9051
BUFR LAND SYNOP SURFACE PRESSURE (PA) 33646 : out of range
Severe: rms_fgdepar=520.3860, expected range: 0.0000 81.5557
BUFR LAND SYNOP SURFACE PRESSURE (PA) 37772 : out of range
Severe: rms_fgdepar=479.1318, expected range: 0.0000 257.7464
BUFR LAND SYNOP SURFACE PRESSURE (PA) 41863 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=429.0786, expected range: 0.0000 209.3998
Severe: avg_pge=0.8314, expected range: -0.3457 0.3951
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48093 : out of range
Severe: rms_fgdepar=337.4935, expected range: 0.0000 270.6074
Severe: avg_pge=0.8102, expected range: -1.2849 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 62455 : out of range
Severe: rms_fgdepar=344.7087, expected range: 0.0000 86.4320
Severe: avg_pge=0.8423, expected range: -0.0799 0.0907
BUFR LAND SYNOP SURFACE PRESSURE (PA) 71905 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8031, expected range: -0.3921 0.7500
ship
AUTOMATIC SHIP WIND VECTOR DIFF (M/S) 62153 : out of range
17 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8109, expected range: -0.4252 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 8VY2YWF : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8928, expected range: -1.2946 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) V7AT9 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=20.6417, expected range: -5.5838 23.0785
Severely_persistent: rms_fgdepar=20.7149, expected range: 0.0000 25.4621
Severely_persistent: avg_pge=0.9124, expected range: -0.3210 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) CFK5152 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=585.5597, expected range: 0.0000 966.4284
Severely_persistent: avg_pge=0.8172, expected range: -1.3393 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) WYQ4356 : out of range
42 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-679.6143, expected range: -2840.6319 3389.7289
Severely_persistent: rms_fgdepar=681.0555, expected range: 0.0000 2101.1843
Severely_persistent: avg_pge=0.8767, expected range: -0.7097 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9V2705 : out of range
Severe: rms_fgdepar=15.2811, expected range: 0.0000 4.1847
Severe: avg_pge=0.8664, expected range: -0.3979 0.5413
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9V7979 : out of range
Severe: rms_fgdepar=20.5118, expected range: 0.0000 31.5694
Severe: avg_pge=0.8578, expected range: -0.4541 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) VRIV3 : out of range
Severe: avg_pge=0.9163, expected range: -0.8564 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) VRUH3 : out of range
Severe: rms_fgdepar=16.5188, expected range: 0.0000 6.9734
Severe: avg_pge=0.8988, expected range: -0.6861 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) AMOUK30 : out of range
Severe: rms_fgdepar=380.7552, expected range: 0.0000 129.5387
BUFR SHIP SYNOP SURFACE PRESSURE (PA) C6CG4 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=387.7050, expected range: 0.0000 156.1303
BUFR SHIP SYNOP SURFACE PRESSURE (PA) MAOR9 : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=661.4050, expected range: 0.0000 955.1463
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7TN8 : out of range
Severe: avg_fgdepar=576.6137, expected range: -604.9764 590.4955
Severe: rms_fgdepar=736.7050, expected range: 0.0000 566.3086
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VRIV3 : out of range
Severe: rms_fgdepar=461.9830, expected range: 0.0000 263.0931
Severe: avg_pge=0.8272, expected range: -1.0056 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) WGEB : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=1106.5763, expected range: -1820.6700 3098.3614
Severe: rms_fgdepar=1108.0729, expected range: 0.0000 3102.7314
Severe: avg_pge=0.9075, expected range: -1.6791 0.7500
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 4101718 : out of range
24 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=522.4831, expected range: -986.7418 1409.8403
Severely_persistent: rms_fgdepar=536.7109, expected range: 0.0000 1373.7505
Severely_persistent: avg_pge=0.8810, expected range: -1.4876 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=-781.5665, expected range: -802.2523 -772.3933
Severely_persistent: rms_fgdepar=781.5681, expected range: 772.4807 802.2403
BUFR LAND SYNOP SNOW (CM) _MI17AC6 : out of range
36 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-73.5823, expected range: -83.3141 -47.4902
Severely_persistent: rms_fgdepar=73.6349, expected range: 47.5303 83.3116
AUTOMATIC LAND SYNOP SNOW (CM) 54102 : out of range
Severe: avg_fgdepar=66.1153, expected range: -2.3963 3.1625
Severe: rms_fgdepar=66.1153, expected range: 0.0000 2.3271
MANUAL LAND SYNOP SNOW (CM) 71633 : out of range
Severe: avg_fgdepar=66.9900, expected range: -23.5917 33.4720
Severe: rms_fgdepar=67.5490, expected range: -22.3801 33.7924
BUFR LAND SYNOP SNOW (CM) 54102 : out of range
Severe: rms_fgdepar=38.1765, expected range: 0.0000 1.9610
BUFR LAND SYNOP SNOW (CM) : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-32.5937, expected range: -113.6152 -92.9256
Severe: rms_fgdepar=234.7487, expected range: 508.5494 561.2417
t2m
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 02036 : out of range
13 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-14.6784, expected range: -25.5300 14.7745
Severely_persistent: rms_fgdepar=14.6791, expected range: 0.0000 23.4845
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 71652 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-17.7930, expected range: -21.4148 24.3607
Severely_persistent: rms_fgdepar=17.9142, expected range: 0.0000 19.6649
MANUAL LAND SYNOP 2M TEMPERATURE (K) 25627 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-15.5326, expected range: -21.2108 11.2734
Severely_persistent: rms_fgdepar=15.5447, expected range: 0.0000 19.5854
MANUAL LAND SYNOP 2M TEMPERATURE (K) 25904 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=12.0758, expected range: 0.0000 19.5437
BUFR LAND SYNOP 2M TEMPERATURE (K) 02036 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-14.8200, expected range: -27.2120 15.2222
Severely_persistent: rms_fgdepar=14.8215, expected range: 0.0000 25.0080
BUFR LAND SYNOP 2M TEMPERATURE (K) 25627 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-15.4821, expected range: -20.7702 10.8552
Severely_persistent: rms_fgdepar=15.4916, expected range: 0.0000 19.1941
BUFR LAND SYNOP 2M TEMPERATURE (K) 25904 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=12.1243, expected range: 0.0000 19.6376
BUFR LAND SYNOP 2M TEMPERATURE (K) 71652 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-17.1717, expected range: -20.8959 23.7552
Severely_persistent: rms_fgdepar=17.3091, expected range: 0.0000 19.2024
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13804 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-19.7797, expected range: -51.0740 32.3060
Severely_persistent: rms_fgdepar=19.7797, expected range: 8.4106 24.4483
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1D581 : out of range
36 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-12.9226, expected range: -20.6035 -10.7873
Severely_persistent: rms_fgdepar=12.9493, expected range: 10.7894 20.6424
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 02764 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-12.2697, expected range: -11.7116 9.2439
Severe: rms_fgdepar=12.2697, expected range: 0.0000 10.1636
MANUAL LAND SYNOP 2M TEMPERATURE (K) 25715 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-14.3133, expected range: -21.3438 14.0862
Severe: rms_fgdepar=14.3358, expected range: 0.0000 17.3418
MANUAL LAND SYNOP 2M TEMPERATURE (K) 25808 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-14.1263, expected range: -18.0925 13.6643
Severe: rms_fgdepar=14.1315, expected range: 0.0000 16.0675
MANUAL LAND SYNOP 2M TEMPERATURE (K) 30664 : out of range
Severe: avg_fgdepar=-13.3380, expected range: -15.1738 7.1249
Severe: rms_fgdepar=13.3753, expected range: 0.0000 13.4928
MANUAL LAND SYNOP 2M TEMPERATURE (K) 36022 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-12.8642, expected range: -9.6493 6.6819
Severe: rms_fgdepar=13.1704, expected range: -5.8878 9.8489
METAR 2M TEMPERATURE (K) ENDU : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-13.7786, expected range: -17.1084 11.9883
Severe: rms_fgdepar=13.7908, expected range: 0.0000 14.7636
LAND TEMP 2M TEMPERATURE (K) 71823 : out of range
Severe: avg_fgdepar=16.9927, expected range: -4.2713 2.0558
Severe: rms_fgdepar=16.9927, expected range: 0.0000 3.8165
BUFR LAND SYNOP 2M TEMPERATURE (K) 01023 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-13.7435, expected range: -15.5202 8.5046
Severe: rms_fgdepar=13.7520, expected range: 0.0000 14.2654
BUFR LAND SYNOP 2M TEMPERATURE (K) 01058 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=-12.5585, expected range: -15.7910 10.1457
Severe: rms_fgdepar=12.5652, expected range: -7.5734 15.0705
BUFR LAND SYNOP 2M TEMPERATURE (K) 25715 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-14.4254, expected range: -21.4267 14.0742
Severe: rms_fgdepar=14.4468, expected range: 0.0000 17.4772
BUFR LAND SYNOP 2M TEMPERATURE (K) 25808 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-14.0905, expected range: -17.9606 13.4981
Severe: rms_fgdepar=14.0975, expected range: 0.0000 15.9176
BUFR LAND SYNOP 2M TEMPERATURE (K) 30664 : out of range
Severe: avg_fgdepar=-13.4115, expected range: -15.1655 7.1004
Severe: rms_fgdepar=13.4487, expected range: 0.0000 13.5010
BUFR LAND SYNOP 2M TEMPERATURE (K) 36022 : out of range
Severe: avg_fgdepar=-12.9133, expected range: -9.7025 6.6359
Severe: rms_fgdepar=13.2187, expected range: -5.8970 9.9079