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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-06-15 00:00

amsua
METOP-C AMSUA ALL SKY RADIANCES CHANNEL 13 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-0.3832, expected range: -0.3521 -0.3278
mwhs2
FY-3C MWHS2 ALLSKY RADIANCES CHANNEL 12 : out of range
14 times in the last 10 days for at least one item
Severely_persistent: avg_biascorr=-1.2277, expected range: -1.4706 -1.3780
ssmis
DMSP-17 SSMIS RADIANCES CHANNEL 7 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: stdev_norm_fgdepar=0.0051, expected range: 0.0045 0.0047
gpsro
All TERRASAR-X GPSRO SETTING ALL HEIGHTS Global : all data missing
Severely_persistent: obs_number=0, expected range: 225.45 1264.22
Atmospheric Motion Vector
AQUA MODIS CLEAR WV WIND VECTOR DIFF (M/S) PRESSURE LAYER 300-600 (HPA : out of range
Slight: obs_number=1406.0000, expected range: 145.9221 790.0176
Radiosondes
LAND TEMP WIND VECTOR DIFF (M/S) 40766 PRESSURE LAYER 600-900 (HPA) : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=31.1085, expected range: -1.5100 6.3103
Severely_persistent: rms_fgdepar=31.1319, expected range: 0.0000 6.4596
Severely_persistent: avg_pge=0.9291, expected range: -1.1991 0.7500
HIGH RESO LAND TEMP TEMPERATURE (K) 51656 PRESSURE LAYER 900-1200 (HPA : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-9.5980, expected range: -13.1925 4.3221
Severely_persistent: rms_fgdepar=9.5980, expected range: 0.0000 15.9572
Severely_persistent: avg_pge=0.9165, expected range: -0.8275 0.7500
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 85 : all data missing
Severely_persistent: obs_number=0, expected range: 3.52 294.31
All HIGH RESO LAND TEMP ALL LAYERS South pole : all data missing
Severely_persistent: obs_number=0, expected range: 138.95 598.05
LAND TEMP Q (G/KG) 41169 PRESSURE LAYER 600-900 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=2.2802, expected range: 0.0000 0.8632
LAND TEMP Q (G/KG) 29282 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=4.1853, expected range: 0.0000 2.0184
LAND TEMP Q (G/KG) 83566 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=2.2773, expected range: 0.4012 1.3923
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=13.5419, expected range: -11.3700 12.1370
Severe: rms_fgdepar=13.9201, expected range: 0.0000 17.5097
Severe: avg_pge=0.9151, expected range: -1.0449 0.7500
LAND TEMP WIND VECTOR DIFF (M/S) 32477 PRESSURE LAYER 0-300 (HPA) : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=26.1508, expected range: 0.9019 10.4083
Severe: rms_fgdepar=27.2476, expected range: 0.0000 13.2795
Severe: avg_pge=0.8766, expected range: -0.4487 0.7500
HIGH RESO LAND TEMP Q (G/KG) 71845 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=2.5317, expected range: 0.0000 1.4272
HIGH RESO LAND TEMP Q (G/KG) 72317 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=3.3510, expected range: 0.4250 1.6622
HIGH RESO LAND TEMP Q (G/KG) (2 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: 85.4033 95.9967
HIGH RESO LAND TEMP Q (G/KG) PRESSURE LAYER 600-900 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: obs_number=556.0000, expected range: 633.4048 650.0952
HIGH RESO LAND TEMP TEMPERATURE (K) 57687 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: avg_fgdepar=14.1909, expected range: -1.6507 1.7368
Severe: avg_pge=0.8770, expected range: -0.0374 0.0685
HIGH RESO LAND TEMP TEMPERATURE (K) 57687 (2 pressure layers affected) : out of range
Severe: rms_fgdepar=14.8551, expected range: 0.0786 2.4661
HIGH RESO LAND TEMP TEMPERATURE (K) PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=3.1953, expected range: 0.9919 1.6452
amdar
WIGOS AMDAR Q (G/KG) BSTXQVBA PRESSURE LAYER 900-1200 (HPA) : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-7.1697, expected range: -8.4181 0.5131
Severely_persistent: rms_fgdepar=7.2816, expected range: 0.0000 8.8579
AMDAR WIND VECTOR DIFF (M/S) (2 pressure layers affected) : missing
Severe: obs_number=0.0000, expected range: 0.0000 277.5797
WIGOS AMDAR Q (G/KG) G3SEESBA PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=4.4305, expected range: 0.3248 2.4594
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0842 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=15.1834, expected range: 0.0000 8.2579
MODE-S WIND VECTOR DIFF (M/S) M843C39 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.7224, expected range: 0.0000 8.4886
WIGOS AMDAR Q (G/KG) PRESSURE LAYER 600-900 (HPA) : out of range
Slight: rms_fgdepar=1.8338, expected range: 0.9997 1.8181
airep
AIREP WIND VECTOR DIFF (M/S) AAL718 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.4405, expected range: 0.5202 6.5911
synop
BUFR LAND SYNOP SURFACE PRESSURE (PA) 15270 : out of range
18 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-649.0856, expected range: -951.8921 957.1923
Severely_persistent: rms_fgdepar=649.2480, expected range: 0.0000 1168.7582
Severely_persistent: avg_pge=0.9216, expected range: -1.2689 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 41573 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=861.7359, expected range: 702.4375 953.2836
Severely_persistent: rms_fgdepar=873.8554, expected range: 698.6120 960.7571
AUTOMATIC LAND SYNOP RH2M (%) 47435 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=33.9336, expected range: 0.0230 11.3110
MANUAL LAND SYNOP RH2M (%) 76040 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=39.2509, expected range: 12.3345 34.2537
Severe: avg_pge=0.9943, expected range: -0.9500 0.7500
MANUAL LAND SYNOP RH2M (%) 67867 : out of range
Severe: rms_fgdepar=30.9574, expected range: 0.0000 12.4107
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 42460 : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=-1115.9886, expected range: -2154.6766 2324.0367
Severe: rms_fgdepar=1115.9886, expected range: -1261.2823 1845.1868
Severe: avg_pge=0.9425, expected range: -0.7566 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 76256 : out of range
Severe: avg_pge=0.8565, expected range: -1.8581 0.7500
BUFR LAND SYNOP RH2M (%) 08540 : out of range
Severe: rms_fgdepar=32.4159, expected range: 0.0000 14.9773
BUFR LAND SYNOP RH2M (%) 02453 : out of range
3 times in the last 10 days for at least one item
Severe: avg_pge=0.9593, expected range: -2.1216 0.7500
BUFR LAND SYNOP RH2M (%) 72218 : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=55.6112, expected range: -74.4620 95.7666
Severe: rms_fgdepar=55.6112, expected range: 0.0000 74.8222
BUFR LAND SYNOP SURFACE PRESSURE (PA) 29430 : out of range
Severe: rms_fgdepar=308.8213, expected range: 0.0000 103.6829
BUFR LAND SYNOP SURFACE PRESSURE (PA) 42460 : out of range
Severe: avg_fgdepar=-1105.6345, expected range: -445.1205 199.4308
Severe: rms_fgdepar=1105.6345, expected range: 0.0000 445.1205
Severe: avg_pge=0.9486, expected range: -0.5099 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 91841 : out of range
3 times in the last 10 days for at least one item
Severe: avg_pge=0.8744, expected range: -0.3179 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 76402 : out of range
Severe: rms_fgdepar=313.6259, expected range: 0.0000 274.9822
Severe: avg_pge=0.8403, expected range: -0.1601 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 16325 : out of range
Severe: rms_fgdepar=443.0022, expected range: 1.7625 421.0027
Severe: avg_pge=0.8458, expected range: 0.5074 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 24967 : out of range
Severe: rms_fgdepar=553.2731, expected range: 0.0000 279.0514
BUFR LAND SYNOP SURFACE PRESSURE (PA) 61699 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-566.1728, expected range: -571.8614 596.6136
Severe: rms_fgdepar=566.1728, expected range: 0.0000 580.0911
Severe: avg_pge=0.9057, expected range: -0.6321 0.7500
ship
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 3FSA9 : out of range
21 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-669.7097, expected range: -1245.3305 445.2977
Severely_persistent: rms_fgdepar=669.7097, expected range: 0.0000 1244.1066
Severely_persistent: avg_pge=0.8610, expected range: 0.1232 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) H9LE : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=758.2137, expected range: -906.1513 1199.7898
Severely_persistent: rms_fgdepar=758.2137, expected range: -906.1513 1199.7898
Severely_persistent: avg_pge=0.8611, expected range: -1.5934 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9HA3182 : out of range
4 times in the last 10 days for at least one item
Severe: avg_pge=0.9005, expected range: 0.5361 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9HJC9 : out of range
Severe: rms_fgdepar=15.4485, expected range: 0.0000 8.7481
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 7KDL : out of range
Severe: rms_fgdepar=16.5031, expected range: 0.0000 11.1153
Severe: avg_pge=0.8068, expected range: -0.7884 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) WDH9141 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=300.2059, expected range: 0.0000 104.0869
BUFR SHIP SYNOP SURFACE PRESSURE (PA) C6DQ2 : out of range
Severe: avg_fgdepar=599.3723, expected range: -402.9836 376.1978
Severe: rms_fgdepar=599.3723, expected range: 0.0000 267.7515
Severe: avg_pge=0.8304, expected range: -0.7766 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) TBWUK33 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=501.1060, expected range: 0.0000 755.5475
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7QJ3 : out of range
Severe: avg_fgdepar=631.1719, expected range: -676.3686 1127.0679
Severe: rms_fgdepar=631.1719, expected range: 0.0000 994.3317
Severe: avg_pge=0.8294, expected range: -0.9619 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) C6VG7 : out of range
3 times in the last 10 days for at least one item
Severe: rms_fgdepar=547.2596, expected range: -540.8051 763.9902
Severe: avg_pge=0.8070, expected range: -1.3922 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) D5UO7 : out of range
Severe: avg_fgdepar=820.1382, expected range: 232.3562 1781.1984
Severe: rms_fgdepar=820.1382, expected range: 232.3562 1781.1984
BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7DP9 : out of range
Severe: rms_fgdepar=494.2383, expected range: 0.0000 424.8667
Severe: avg_pge=0.8102, expected range: -0.7547 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) KOGC : out of range
Severe: rms_fgdepar=378.4998, expected range: 11.4525 127.7252
BUFR SHIP SYNOP SURFACE PRESSURE (PA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=502.5983, expected range: 0.0000 1396.9637
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 6301679 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8575, expected range: -1.0504 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 3301510 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=436.7100, expected range: 0.0000 109.2972
metar
METAR SURFACE PRESSURE (PA) NVVA : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=602.8903, expected range: 0.0000 143.2696
METAR SURFACE PRESSURE (PA) FVMV : out of range
Severe: rms_fgdepar=389.1931, expected range: 0.0000 182.8922
snow
BUFR LAND SYNOP SNOW (CM) _MI1BC83 : out of range
32 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=62.0000, expected range: 43.7815 61.5491
BUFR LAND SYNOP SNOW (CM) _MI1BC83 : out of range
32 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=62.0691, expected range: 44.1960 63.6337
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=-772.9932, expected range: -775.0428 -771.6593
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=772.9932, expected range: 771.6593 775.0429
BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
38 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=53.6271, expected range: 49.7039 60.9550
BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
38 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=54.3672, expected range: 50.4515 61.2598
BUFR LAND SYNOP SNOW (CM) 13492 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=130.0000, expected range: -7.4373 71.0970
Severe: rms_fgdepar=130.0000, expected range: 6.8210 65.2528
t2m
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 89577 : out of range
17 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-18.1300, expected range: -21.6076 0.1796
Severely_persistent: rms_fgdepar=18.1677, expected range: 0.0830 21.5899
METAR 2M TEMPERATURE (K) VECX : out of range
34 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=12.6038, expected range: 9.8074 16.7169
Severely_persistent: rms_fgdepar=12.7672, expected range: 10.7639 16.7366
BUFR LAND SYNOP 2M TEMPERATURE (K) 89577 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-18.2339, expected range: -21.6527 0.1258
Severely_persistent: rms_fgdepar=18.2689, expected range: 0.1144 21.6423
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=-19.4187, expected range: -21.5522 -13.4220
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=19.4206, expected range: 13.4644 21.5508
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
30 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-17.3430, expected range: -21.8373 -12.4586
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
30 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=17.5417, expected range: 12.5156 21.8588
MANUAL LAND SYNOP 2M TEMPERATURE (K) 72218 : out of range
3 times in the last 10 days for at least one item
Severe: rms_fgdepar=10.0411, expected range: 0.0000 4.4753
METAR 2M TEMPERATURE (K) FYOA : out of range
Severe: avg_fgdepar=12.5758, expected range: 1.6545 10.7304
Severe: rms_fgdepar=12.5758, expected range: 2.2126 11.5487
LAND TEMP 2M TEMPERATURE (K) 16622 : out of range
Severe: rms_fgdepar=13.5611, expected range: 0.0000 4.9439
BUFR LAND SYNOP 2M TEMPERATURE (K) 30433 : out of range
Severe: rms_fgdepar=12.1293, expected range: 0.0000 10.3062
BUFR LAND SYNOP 2M TEMPERATURE (K) 87007 : out of range
Severe: avg_fgdepar=-12.1178, expected range: -11.9986 19.7286
Severe: rms_fgdepar=12.1178, expected range: 0.0000 15.3979
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1D00B : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=12.3058, expected range: 0.8709 4.0360
rh2m
AUTOMATIC LAND SYNOP RH2M (%) 72662 : out of range
Severe: rms_fgdepar=39.3454, expected range: 0.0000 22.3499
MANUAL LAND SYNOP RH2M (%) 08540 : out of range
Severe: rms_fgdepar=31.9600, expected range: 0.0000 15.4002
METAR RH2M (%) KCLT : out of range
Severe: rms_fgdepar=31.2318, expected range: 4.4043 16.7652