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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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

amsua
METOP-C AMSUA ALL SKY RADIANCES CHANNEL 13 : out of range
11 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.4031, expected range: -0.3521 -0.3457
iasi
METOP-C IASI RADIANCES CHANNEL 921 : out of range
Considerable: avg_biascorr=0.0204, expected range: 0.0225 0.0263
gpsro
METOP-B GRAS SETTING HEIGHT 38-40 KM : out of range
Slight: stdev_norm_fgdepar=0.7919, expected range: 0.4316 0.6931
COSMIC2-E4 GPSRO SETTING HEIGHT 34-36 KM : out of range
Slight: stdev_norm_fgdepar=1.2800, expected range: 0.8365 1.1811
COSMIC2-E4 GPSRO SETTING HEIGHT 42-44 KM : out of range
Slight: stdev_norm_fgdepar=1.0250, expected range: 0.5177 0.8980
resat
NOAA-19 SBUV OZONE, TOP PRESSURE LAYER 250-251 (HPA) : out of range
19 times in the last 10 days for at least one item
Slight: avg_fgdepar=-0.0225, expected range: -0.0991 -0.0991
Radiosondes
LAND TEMP Q (G/KG) 38341 PRESSURE LAYER 900-1200 (HPA) : out of range
20 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=6.3344, expected range: 0.1030 11.7089
Severely_persistent: rms_fgdepar=6.3802, expected range: 0.0930 11.7841
LAND TEMP TEMPERATURE (K) 32477 PRESSURE LAYER 0-300 (HPA) : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=9.0983, expected range: -21.0174 18.1534
Severe: rms_fgdepar=11.0332, expected range: 0.0000 18.8104
LAND TEMP TEMPERATURE (K) 34858 PRESSURE LAYER 0-300 (HPA) : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=7.1367, expected range: 0.0000 3.4062
LAND TEMP Q (G/KG) 41256 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: avg_fgdepar=6.2279, expected range: -4.0909 5.2980
Severe: rms_fgdepar=6.4625, expected range: 0.0000 5.1942
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HPA) : missing
Severe: obs_number=0.0000, expected range: 0.0000 263.4549
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 85 : all data missing
Severe: obs_number=0, expected range: 11.20 305.84
All HIGH RESO LAND TEMP ALL LAYERS South pole : all data missing
Severe: obs_number=0, expected range: 42.84 863.53
amdar
AMDAR WIND VECTOR DIFF (M/S) KLM706 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=17.6734, expected range: 0.0000 10.1700
Severe: avg_pge=0.8384, expected range: -0.3038 0.5040
WIGOS AMDAR Q (G/KG) EU0822 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=3.9341, expected range: 0.0000 1.9400
MODE-S WIND VECTOR DIFF (M/S) M729BF7 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=18.1697, expected range: 0.4245 7.3399
prof
EUROPEAN WIND PROFILER VECTOR DIFF (M/S) 94907 PRESSURE LAYER 300-600 : out of range
Severe: avg_pge=0.8298, expected range: -0.3933 0.7500
pilot
LAND PILOT WIND VECTOR DIFF (M/S) 96163 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=17.8599, expected range: 0.0000 9.3593
LAND PILOT WIND VECTOR DIFF (M/S) 96509 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: avg_fgdepar=22.2089, expected range: 0.0020 3.6901
Severe: rms_fgdepar=26.3743, expected range: 0.3521 3.5588
synop
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 17656 : out of range
17 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8152, expected range: -1.4376 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 60471 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8331, expected range: -0.3769 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 15270 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-614.0134, expected range: -18.3129 171.7901
Severely_persistent: rms_fgdepar=614.4422, expected range: 0.0000 174.4328
Severely_persistent: avg_pge=0.9178, expected range: -0.3151 0.6924
BUFR LAND SYNOP SURFACE PRESSURE (PA) 67221 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8292, expected range: 0.6286 0.7500
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) : out of range
3 times in the last 10 days for at least one item
Severe: rms_fgdepar=211.5942, expected range: 28.6505 62.3374
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 37379 : out of range
Severe: rms_fgdepar=468.0805, expected range: 0.0000 150.4404
MANUAL LAND SYNOP RH2M (%) 67871 : out of range
Severe: rms_fgdepar=36.3412, expected range: 0.0000 14.7539
Severe: rms_fgdepar=33.0123, expected range: 0.0000 16.4395
MANUAL LAND SYNOP RH2M (%) 67991 : out of range
Severe: rms_fgdepar=42.8895, expected range: 0.0000 21.7070
Severe: avg_pge=0.9830, expected range: 0.0006 0.0052
MANUAL LAND SYNOP RH2M (%) 67965 : out of range
Severe: rms_fgdepar=30.0802, expected range: 0.0000 16.2545
MANUAL LAND SYNOP RH2M (%) 35895 : out of range
Severe: rms_fgdepar=33.6522, expected range: 0.3166 14.0177
MANUAL LAND SYNOP RH2M (%) 67977 : out of range
Severe: rms_fgdepar=35.5690, expected range: 0.0000 10.2149
Severe: rms_fgdepar=34.4233, expected range: 0.0000 18.2139
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42661 : out of range
Severe: rms_fgdepar=494.7592, expected range: 0.0000 160.2866
Severe: avg_pge=0.8616, expected range: -0.6545 0.7428
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 37481 : out of range
Severe: rms_fgdepar=436.4413, expected range: 0.0000 236.1549
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42577 : out of range
Severe: rms_fgdepar=303.3103, expected range: 0.0000 264.5830
Severe: avg_pge=0.8088, expected range: -0.9556 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 91648 : out of range
Severe: avg_fgdepar=-576.3065, expected range: -167.3081 49.4069
Severe: rms_fgdepar=740.0215, expected range: 0.0000 239.7383
MANUAL LAND SYNOP Z (M) 38856 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.9877, expected range: -1.6501 0.7500
BUFR LAND SYNOP RH2M (%) 94972 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=-52.3549, expected range: -16.7052 13.0708
Severe: rms_fgdepar=52.4115, expected range: 0.0000 16.1037
Severe: avg_pge=0.9793, expected range: 0.0012 0.0048
BUFR LAND SYNOP RH2M (%) 72458 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=46.0959, expected range: 0.0000 18.1743
BUFR LAND SYNOP RH2M (%) 60188 : out of range
Severe: rms_fgdepar=35.2295, expected range: 0.0000 13.6871
BUFR LAND SYNOP SURFACE PRESSURE (PA) 29576 : out of range
Severe: rms_fgdepar=623.1515, expected range: 0.0000 164.4305
BUFR LAND SYNOP SURFACE PRESSURE (PA) 16197 : out of range
3 times in the last 10 days for at least one item
Severe: avg_pge=0.8112, expected range: 0.5163 0.7500
ship
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) V7A4867 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8455, expected range: -0.0320 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7UX2 : out of range
24 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=151.4461, expected range: 507.8077 913.0412
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VRTW3 : out of range
10 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=717.2346, expected range: 0.0000 730.3815
BUFR SHIP SYNOP SURFACE PRESSURE (PA) UHXO : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=661.9066, expected range: -1715.0079 1560.5666
Severely_persistent: rms_fgdepar=661.9066, expected range: 0.0000 1207.1860
Severely_persistent: avg_pge=0.8604, expected range: -1.1582 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) JASREP : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=534.3113, expected range: 450.7539 708.5060
Severely_persistent: rms_fgdepar=534.3521, expected range: 450.8123 708.7107
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9V7979 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=19.5212, expected range: 0.0000 10.2529
Severe: avg_pge=0.8731, expected range: -0.4215 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) UCUE : out of range
Severe: rms_fgdepar=16.5656, expected range: 0.0000 11.1324
Severe: avg_pge=0.8920, expected range: -0.7241 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) MAOR6 : out of range
Severe: rms_fgdepar=311.8781, expected range: 0.0000 158.0952
BUFR SHIP SYNOP SURFACE PRESSURE (PA) C6VG7 : out of range
Severe: avg_fgdepar=-756.1386, expected range: -244.4658 375.4974
Severe: rms_fgdepar=773.3633, expected range: 0.0000 368.9322
Severe: avg_pge=0.8711, expected range: -0.8728 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7DJ7 : out of range
Severe: avg_fgdepar=592.7830, expected range: -97.3767 418.8604
Severe: rms_fgdepar=592.7830, expected range: 0.0000 418.8604
Severe: avg_pge=0.8195, expected range: -0.9350 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7QT7 : out of range
3 times in the last 10 days for at least one item
Severe: rms_fgdepar=544.6492, expected range: 0.0000 233.9357
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 3FSA9 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=-618.6492, expected range: -519.2103 1.3711
Severe: rms_fgdepar=618.6492, expected range: 7.1129 516.2943
Severe: avg_pge=0.8508, expected range: 0.1815 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) H9LE : out of range
Severe: avg_fgdepar=595.8624, expected range: -255.2471 332.8841
Severe: rms_fgdepar=595.8624, expected range: 0.0000 188.8284
Severe: avg_pge=0.8249, expected range: 0.0000 0.0000
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 6203601 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8407, expected range: -1.4449 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 1501771 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=-530.3259, expected range: -86.5348 79.1530
Severe: rms_fgdepar=542.2065, expected range: 5.6622 57.8064
Severe: avg_pge=0.8895, expected range: -0.1115 0.1294
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=725.7726, expected range: -322.1433 911.1363
Severely_persistent: rms_fgdepar=726.5320, expected range: 0.0000 919.7363
Severely_persistent: avg_pge=0.8353, expected range: -0.8818 0.7500
METAR SURFACE PRESSURE (PA) KMHK : out of range
Severe: rms_fgdepar=306.3123, expected range: 0.0000 157.8850
METAR SURFACE PRESSURE (PA) OIBL : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=346.9885, expected range: 0.0000 140.6071
snow
BUFR LAND SYNOP SNOW (CM) _MI1BC83 : out of range
34 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=50.9898, expected range: 46.0079 62.5924
BUFR LAND SYNOP SNOW (CM) _MI1BC83 : out of range
34 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=51.6791, expected range: 46.6703 64.2690
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=-772.8897, expected range: -775.3196 -771.8430
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=772.8898, expected range: 771.8430 775.3197
BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
31 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=56.4286, expected range: 39.3691 64.8009
BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
31 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=57.0799, expected range: 40.1266 65.2280
t2m
METAR 2M TEMPERATURE (K) VECX : out of range
34 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=12.2821, expected range: 11.0839 15.8726
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13149 : out of range
20 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-17.8527, expected range: -20.8849 -13.5832
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI13149 : out of range
20 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=17.8726, expected range: 13.6115 20.9020
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
34 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-16.8274, expected range: -21.8776 -12.3385
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
34 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=17.0525, expected range: 12.3844 21.8857
MANUAL LAND SYNOP 2M TEMPERATURE (K) 67991 : out of range
Severe: rms_fgdepar=11.1327, expected range: 0.0000 3.0697
METAR 2M TEMPERATURE (K) KHSA : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=13.3735, expected range: 0.0000 6.8056
METAR 2M TEMPERATURE (K) MRPV : out of range
Severe: rms_fgdepar=10.0742, expected range: 0.0556 5.6372
LAND TEMP 2M TEMPERATURE (K) 76394 : out of range
Severe: avg_fgdepar=-13.8025, expected range: -2.2531 3.7058
Severe: rms_fgdepar=13.8025, expected range: 0.0000 3.4054
BUFR LAND SYNOP 2M TEMPERATURE (K) 89504 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=12.2419, expected range: 7.0838 14.2905
Severe: rms_fgdepar=12.2577, expected range: 7.3595 14.2193
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1AF46 : out of range
Severe: avg_fgdepar=-12.7124, expected range: -7.9709 1.5329
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1AF46 : out of range
Severe: rms_fgdepar=12.8344, expected range: 0.0000 8.6806
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI18957 : out of range
Severe: avg_fgdepar=-12.1335, expected range: -7.9499 2.3362
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI18957 : out of range
Severe: rms_fgdepar=12.2935, expected range: 0.0000 8.1506
BUFR LAND SYNOP 2M TEMPERATURE (K) 24758 : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=14.9864, expected range: 0.0000 13.9014
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1AFE9 : out of range
Severe: avg_fgdepar=-12.5836, expected range: -7.6965 3.1842
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1AFE9 : out of range
Severe: rms_fgdepar=12.6637, expected range: 0.2255 7.2925