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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-10-01 00:00

atms
NPP ATMS RADIANCES CHANNEL 12 : out of range
18 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.2792, expected range: -0.2092 -0.1654
NOAA20 ATMS RADIANCES CHANNEL 12 : out of range
18 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.3738, expected range: -0.3168 -0.3114
ssmis
DMSP-17 SSMIS RADIANCES CHANNEL 17 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-2.4188, expected range: -2.8486 -2.6872
Atmospheric Motion Vector
HIMAWARI-8 AMV VIS1 WIND VECTOR DIFF (M/S) PRESSURE LAYER 600-900 (HPA : out of range
Slight: obs_number=6239.0000, expected range: 4538.9354 5590.3146
resat
NOAA-19 SBUV OZONE, TOP PRESSURE LAYER 1-2 (HPA) : out of range
22 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-0.0114, expected range: -0.0078 -0.0031
NOAA-19 SBUV OZONE, TOP PRESSURE LAYER 1010-1011 (HPA) : out of range
15 times in the last 10 days for at least one item
Slight: avg_fgdepar=-4.0274, expected range: -3.3301 -3.3301
NOAA-19 SBUV OZONE, TOP PRESSURE LAYER 1600-1601 (HPA) : out of range
7 times in the last 10 days for at least one item
Slight: stdev_fgdepar=3.3834, expected range: 2.8429 3.3217
Radiosondes
LAND TEMP WIND VECTOR DIFF (M/S) 30758 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=25.9796, expected range: 0.0000 12.5158
All LAND TEMP ALL LAYERS WMO BLOCK 74 : all data missing
Severe: obs_number=0, expected range: 27.64 140.87
HIGH RESO LAND TEMP TEMPERATURE (K) 27713 (2 pressure layers affected) : out of range
Severe: rms_fgdepar=7.0630, expected range: 0.0405 1.8848
HIGH RESO LAND TEMP TEMPERATURE (K) 27713 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: avg_pge=0.8805, expected range: -0.0196 0.0225
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HPA) : missing
Severe: obs_number=0.0000, expected range: 1.4397 396.5967
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) PRESSURE LAYER 300-600 (HPA : missing
2 times in the last 10 days for at least one item
Severe: obs_number=0.0000, expected range: 94.0847 99.2487
HIGH RESO LAND TEMP Q (G/KG) 54511 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=2.1745, expected range: 0.0182 1.1587
BUFR TEMP DESCENT Q (G/KG) PRESSURE LAYER 900-1200 (HPA) : missing
Severe: obs_number=0.0000, expected range: 0.0000 328.5670
HIGH RESO LAND TEMP TEMPERATURE (K) (2 pressure layers affected) : out of range
Considerable: obs_number=446.0000, expected range: 609.7275 648.2725
amdar
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0530 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=15.6722, expected range: 0.0000 7.4836
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0474 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.5369, expected range: 0.0000 6.9532
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0446 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.2851, expected range: 0.0000 8.0720
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0528 (2 pressure layers affected) : out of range
Severe: avg_fgdepar=31.1223, expected range: -0.4871 5.0777
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0528 (4 pressure layers affected) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=33.4159, expected range: 0.0000 6.2054
Severe: avg_pge=0.8851, expected range: -0.3909 0.4621
WIGOS AMDAR WIND VECTOR DIFF (M/S) JPPXLDRA PRESSURE LAYER 300-600 (HP : out of range
Severe: rms_fgdepar=15.1367, expected range: 0.0000 7.3733
WIGOS AMDAR WIND VECTOR DIFF (M/S) PRKCVYRA PRESSURE LAYER 300-600 (HP : out of range
Severe: rms_fgdepar=17.3441, expected range: 0.0000 7.6779
WIGOS AMDAR TEMPERATURE (K) Q00EILRA (2 pressure layers affected) : out of range
Severe: rms_fgdepar=6.1243, expected range: 0.0000 2.0981
WIGOS AMDAR TEMPERATURE (K) CNNKXR PRESSURE LAYER 300-600 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=9.3368, expected range: 1.7387 15.5895
Severe: avg_pge=0.8607, expected range: 0.6641 0.7500
WIGOS AMDAR TEMPERATURE (K) 5H3YFRJA PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=8.0430, expected range: 0.2246 4.6410
MODE-S WIND VECTOR DIFF (M/S) M0BBAB6 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.2047, expected range: 0.0000 6.6259
MODE-S WIND VECTOR DIFF (M/S) MEE4D17 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=15.0341, expected range: 0.0361 6.7318
MODE-S WIND VECTOR DIFF (M/S) MB8C26F PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=19.7271, expected range: 0.0000 9.3847
MODE-S WIND VECTOR DIFF (M/S) M39ED9A PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=16.8605, expected range: 0.5833 6.1709
MODE-S WIND VECTOR DIFF (M/S) M3D052B PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=15.1267, expected range: 0.0000 6.8727
airep
AIREP WIND VECTOR DIFF (M/S) UAL1749 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=17.4138, expected range: 0.0000 6.0863
synop
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 68392 : out of range
12 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-755.0531, expected range: -585.2790 410.8643
Severely_persistent: rms_fgdepar=755.3763, expected range: 0.0000 493.1599
Severely_persistent: avg_pge=0.9396, expected range: -0.7727 0.7500
BUFR LAND SYNOP RH2M (%) _17040E1 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-65.1405, expected range: -95.9327 40.6823
BUFR LAND SYNOP RH2M (%) _17040E1 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=65.1405, expected range: 0.0000 98.1044
BUFR LAND SYNOP RH2M (%) _17040E1 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=1.0000, expected range: -1.8486 0.7500
BUFR LAND SYNOP RH2M (%) _170B147 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-51.7979, expected range: -115.8329 56.5396
BUFR LAND SYNOP RH2M (%) _170B147 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=51.7979, expected range: 0.0000 115.8329
BUFR LAND SYNOP RH2M (%) _170B147 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9926, expected range: -1.7972 0.7500
MANUAL LAND SYNOP RH2M (%) 76160 : out of range
Severe: avg_pge=0.8054, expected range: -0.1658 0.2187
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 87270 : out of range
Severe: rms_fgdepar=373.8987, expected range: 0.0000 130.4341
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 83522 : out of range
3 times in the last 10 days for at least one item
Severe: avg_pge=0.8472, expected range: 0.5685 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 40872 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=417.3681, expected range: 0.0000 69.1372
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42803 : out of range
Severe: rms_fgdepar=392.6427, expected range: 0.0000 113.7939
Severe: avg_pge=0.8606, expected range: -0.4027 0.4571
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 35514 : out of range
Severe: rms_fgdepar=566.4606, expected range: 0.0000 107.8468
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 63866 : out of range
Severe: rms_fgdepar=414.2484, expected range: 0.0000 187.8711
BUFR LAND SYNOP RH2M (%) 64040 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=-53.3200, expected range: -67.2825 -30.8823
Severe: rms_fgdepar=53.3200, expected range: 30.8823 67.2825
BUFR LAND SYNOP RH2M (%) 38201 : out of range
Severe: rms_fgdepar=33.9596, expected range: 0.0000 19.1256
BUFR LAND SYNOP RH2M (%) 94321 : out of range
Severe: rms_fgdepar=32.8739, expected range: 0.0000 17.0447
BUFR LAND SYNOP RH2M (%) 94131 : out of range
Severe: rms_fgdepar=30.7486, expected range: 0.0000 11.7187
BUFR LAND SYNOP RH2M (%) 35244 : out of range
Severe: rms_fgdepar=33.0617, expected range: 0.0000 18.3510
BUFR LAND SYNOP RH2M (%) 94125 : out of range
Severe: rms_fgdepar=36.7345, expected range: 0.0000 20.4287
BUFR LAND SYNOP RH2M (%) 72565 : out of range
Severe: rms_fgdepar=37.0927, expected range: 0.0000 19.7630
BUFR LAND SYNOP RH2M (%) 71547 : out of range
Severe: rms_fgdepar=36.8862, expected range: 0.0000 15.8723
BUFR LAND SYNOP RH2M (%) 94128 : out of range
Severe: rms_fgdepar=31.3345, expected range: 0.0000 11.0988
BUFR LAND SYNOP RH2M (%) 41998 : out of range
Severe: rms_fgdepar=43.2273, expected range: 0.9871 7.3699
Severe: avg_pge=0.9991, expected range: 0.0010 0.0049
BUFR LAND SYNOP RH2M (%) 40439 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.9624, expected range: -1.3793 0.7500
BUFR LAND SYNOP RH2M (%) _17018AB : out of range
Severe: avg_fgdepar=-56.6014, expected range: -96.3937 66.5152
BUFR LAND SYNOP RH2M (%) _17018AB : out of range
Severe: rms_fgdepar=56.6014, expected range: -66.5152 96.3937
BUFR LAND SYNOP RH2M (%) _17018AB : out of range
Severe: avg_pge=0.9962, expected range: -1.1606 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 17510 : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=752.4918, expected range: 0.0000 199.6250
Severe: avg_pge=0.9276, expected range: -0.3232 0.5066
BUFR LAND SYNOP SURFACE PRESSURE (PA) 83825 : out of range
Severe: avg_pge=0.8000, expected range: -0.3610 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 62455 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=-510.1235, expected range: -512.7030 365.0014
Severe: rms_fgdepar=510.1235, expected range: 0.0000 453.0286
Severe: avg_pge=0.8952, expected range: -1.3343 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 36819 : out of range
Severe: rms_fgdepar=508.2344, expected range: 0.0000 178.2438
Severe: avg_pge=0.8877, expected range: -0.3597 0.4423
ship
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) VRDW2 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8892, expected range: -0.5204 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) KIAB : out of range
18 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=567.1096, expected range: 573.9372 755.8296
Severely_persistent: rms_fgdepar=567.1096, expected range: 573.9609 755.8770
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VABC : out of range
26 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=605.7898, expected range: -2002.8494 2624.7637
Severely_persistent: rms_fgdepar=605.7898, expected range: 0.0000 1946.8416
Severely_persistent: avg_pge=0.8266, expected range: -0.8659 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) CQNL : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=753.7888, expected range: -1641.0798 1080.0946
Severely_persistent: rms_fgdepar=753.7888, expected range: 0.0000 1177.3773
Severely_persistent: avg_pge=0.8373, expected range: -0.9720 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V2BW1 : out of range
Severe: rms_fgdepar=308.6344, expected range: 0.0000 164.6721
BUFR SHIP SYNOP SURFACE PRESSURE (PA) OWCM2 : out of range
Severe: avg_fgdepar=-576.7999, expected range: -474.0263 504.8370
Severe: rms_fgdepar=576.7999, expected range: 0.0000 466.1956
Severe: avg_pge=0.8460, expected range: -1.0281 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V6204 : out of range
Severe: avg_fgdepar=-855.7167, expected range: -341.7094 617.4558
Severe: rms_fgdepar=855.7167, expected range: 0.0000 558.7418
Severe: avg_pge=0.8964, expected range: -1.0613 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9HA3845 : out of range
Severe: avg_fgdepar=-896.8322, expected range: -269.1653 457.7930
Severe: rms_fgdepar=896.8322, expected range: 0.0000 417.8340
Severe: avg_pge=0.9030, expected range: -0.7929 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VRIC6 : out of range
Severe: rms_fgdepar=446.9960, expected range: 0.0000 366.5713
Severe: avg_pge=0.8144, expected range: -0.3525 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9VPQ7 : out of range
Severe: avg_fgdepar=500.3167, expected range: 104.6097 887.6075
Severe: rms_fgdepar=500.3167, expected range: 104.6097 887.6075
BUFR SHIP SYNOP SURFACE PRESSURE (PA) KSFF : out of range
Severe: rms_fgdepar=386.5374, expected range: 0.0000 101.2123
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 6501670 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8215, expected range: -0.8990 0.7500
MOORED BUOYS SURFACE PRESSURE (PA) 2800401 : out of range
Severe: rms_fgdepar=334.9108, expected range: 0.0000 105.2190
All MOORED BUOYS WMO BLOCK 22 : all data missing
Severe: obs_number=0, expected range: 79.22 194.90
DRIFTING BUOYS SURFACE PRESSURE (PA) 3301603 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=463.3015, expected range: 0.0000 75.9922
DRIFTING BUOYS SURFACE PRESSURE (PA) 6203613 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=-638.6917, expected range: -82.1835 83.1333
Severe: rms_fgdepar=648.6305, expected range: 0.0000 139.0941
Severe: avg_pge=0.9131, expected range: -0.2664 0.3584
DRIFTING BUOYS SURFACE PRESSURE (PA) 6203843 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=499.7078, expected range: 0.0000 428.5029
Severe: avg_pge=0.8799, expected range: -1.0702 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 4802548 : out of range
Severe: rms_fgdepar=474.8698, expected range: 0.0000 133.7121
Severe: avg_pge=0.8610, expected range: -0.4274 0.5065
DRIFTING BUOYS SURFACE PRESSURE (PA) 1601598 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8073, expected range: -1.1527 0.7500
metar
AUTOMATIC METAR SURFACE PRESSURE (PA) LIRK : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-862.2497, expected range: -395.3763 715.8793
Severely_persistent: rms_fgdepar=864.4608, expected range: 0.0000 726.9824
Severely_persistent: avg_pge=0.8554, expected range: -1.0487 0.7500
METAR SURFACE PRESSURE (PA) KCRE : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=392.5112, expected range: 0.0000 86.0508
METAR SURFACE PRESSURE (PA) GOOG : out of range
Severe: rms_fgdepar=423.7932, expected range: 0.0000 209.7252
AUTOMATIC METAR SURFACE PRESSURE (PA) KSOP : out of range
Severe: rms_fgdepar=336.6340, expected range: 0.0000 152.4386
AUTOMATIC METAR SURFACE PRESSURE (PA) KLBT : out of range
Severe: rms_fgdepar=311.5010, expected range: 0.0000 130.6031
AUTOMATIC METAR SURFACE PRESSURE (PA) KHYW : out of range
Severe: rms_fgdepar=326.5717, expected range: 0.0000 106.3368
snow
BUFR LAND SYNOP SNOW (CM) _MF1EB15 : out of range
36 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-779.0152, expected range: -791.1626 -766.1200
BUFR LAND SYNOP SNOW (CM) _MF1EB15 : out of range
36 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=779.0152, expected range: 766.3765 791.0016
t2m
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 52681 : out of range
Severe: avg_fgdepar=12.1111, expected range: -11.7003 19.7074
Severe: rms_fgdepar=12.1111, expected range: 0.0000 16.6439
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 71652 : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=-12.5660, expected range: -19.2637 12.2980
Severe: rms_fgdepar=12.7979, expected range: 0.0000 14.5590
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 68353 : out of range
Severe: rms_fgdepar=12.4571, expected range: 0.0000 5.7505
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 71653 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-12.4148, expected range: -16.8119 9.7583
Severe: rms_fgdepar=12.5240, expected range: 0.0000 14.4976
MANUAL LAND SYNOP 2M TEMPERATURE (K) 67785 : out of range
Severe: rms_fgdepar=10.3318, expected range: 0.0000 2.1037
MANUAL LAND SYNOP 2M TEMPERATURE (K) 37787 : out of range
Severe: rms_fgdepar=12.6234, expected range: 0.3861 7.8652
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1D122 : out of range
Severe: avg_fgdepar=17.5411, expected range: -2.7046 2.0309
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1D122 : out of range
Severe: rms_fgdepar=17.5835, expected range: 0.0000 5.3859
BUFR LAND SYNOP 2M TEMPERATURE (K) 37787 : out of range
Severe: rms_fgdepar=12.6279, expected range: 0.5039 7.5497
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI19ACD : out of range
Severe: avg_fgdepar=16.9244, expected range: -1.9439 3.1337
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI19ACD : out of range
Severe: rms_fgdepar=16.9245, expected range: 0.3131 3.2804
BUFR LAND SYNOP 2M TEMPERATURE (K) : out of range
Considerable: obs_number=224.0000, expected range: 1017.2280 1276.6470
rh2m
AUTOMATIC LAND SYNOP RH2M (%) 16766 : out of range
Severe: rms_fgdepar=31.8511, expected range: 0.0000 12.1270