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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2021-02-22 00:00

iasi
METOP-B IASI RADIANCES (60 channels affected) : out of range
Considerable: obs_number=2343.0000, expected range: 1965.9502 2215.5498
mhs
All METOP-A MHS ALLSKY ALL CHANNELS Global : all data missing
Severe: obs_number=0, expected range: 1748.24 28890.43
ssmis
All DMSP-17 SSMIS ALL CHANNELS Global : all data missing
Severe: obs_number=0, expected range: 9862.31 16548.55
All DMSP-18 SSMIS ALL CHANNELS Global : all data missing
Severe: obs_number=0, expected range: 7921.97 16691.46
Radiosondes
LAND TEMP WIND VECTOR DIFF (M/S) 34731 PRESSURE LAYER 0-300 (HPA) : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=24.7007, expected range: -13.8421 35.1574
LAND TEMP TEMPERATURE (K) 24688 PRESSURE LAYER 900-1200 (HPA) : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8508, expected range: -1.0712 0.7500
LAND TEMP TEMPERATURE (K) 24266 PRESSURE LAYER 900-1200 (HPA) : out of range
17 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9075, expected range: -0.0575 0.7500
LAND TEMP WIND VECTOR DIFF (M/S) 48327 PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8198, expected range: -0.6565 0.7500
LAND TEMP WIND VECTOR DIFF (M/S) 34731 (2 pressure layers affected) : out of range
Severe: rms_fgdepar=29.3134, expected range: 0.0000 38.4035
LAND TEMP WIND VECTOR DIFF (M/S) 61660 PRESSURE LAYER 0-300 (HPA) : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=20.1020, expected range: 0.0000 34.5616
LAND TEMP TEMPERATURE (K) 24507 PRESSURE LAYER 900-1200 (HPA) : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8530, expected range: -0.7769 0.7500
LAND TEMP TEMPERATURE (K) 43279 (2 pressure layers affected) : out of range
Severe: avg_pge=0.8420, expected range: -0.0372 0.0566
Severe: rms_fgdepar=15.3429, expected range: 0.6709 2.3399
LAND TEMP TEMPERATURE (K) 43279 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: avg_fgdepar=15.2490, expected range: -1.1720 0.9392
LAND TEMP TEMPERATURE (K) 96805 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=13.5300, expected range: 0.6299 2.7313
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 88 : all data missing
Severe: obs_number=0, expected range: 119.68 142.82
HIGH RESO LAND TEMP Q (G/KG) 57494 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=4.8078, expected range: 0.0000 2.3448
HIGH RESO LAND TEMP TEMPERATURE (K) 29698 PRESSURE LAYER 900-1200 (HPA : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8769, expected range: -0.7981 0.7500
Severe: rms_fgdepar=10.7385, expected range: 0.0000 10.9416
Severe: avg_fgdepar=-10.3948, expected range: -8.3171 4.0970
HIGH RESO LAND TEMP TEMPERATURE (K) 58203 (2 pressure layers affected) : out of range
Severe: rms_fgdepar=8.9707, expected range: 0.0000 4.1607
HIGH RESO LAND TEMP TEMPERATURE (K) (2 pressure layers affected) : out of range
1 times in the last 10 days for at least one item
Considerable: obs_number=282.0000, expected range: 363.3638 382.6362
amdar
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0464 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: rms_fgdepar=15.3656, expected range: 0.0000 6.8057
ADS-C WIND VECTOR DIFF (M/S) XJ1UIEZA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=28.9141, expected range: 0.0000 11.9356
Severe: avg_fgdepar=28.9141, expected range: -1.1270 8.9534
ADS-C WIND VECTOR DIFF (M/S) KD0IEJRA PRESSURE LAYER 0-300 (HPA) : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=51.4978, expected range: 0.0000 45.1355
Severe: avg_fgdepar=51.4978, expected range: -23.4216 38.3611
ADS-C WIND VECTOR DIFF (M/S) ZIFZUHRA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=17.2217, expected range: 0.0000 8.8538
airep
AIREP WIND VECTOR DIFF (M/S) BAW92W PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=22.0384, expected range: 0.0000 19.4295
AIREP WIND VECTOR DIFF (M/S) ETD405 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: avg_pge=0.8512, expected range: -0.1081 0.1359
Severe: rms_fgdepar=25.7249, expected range: 0.2668 5.7734
Severe: avg_fgdepar=25.7249, expected range: -0.4733 6.2322
prof
EUROPEAN WIND PROFILER VECTOR DIFF (M/S) 10410 PRESSURE LAYER 600-900 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8736, expected range: -0.6877 0.7500
EUROPEAN WIND PROFILER VECTOR DIFF (M/S) 06234 (2 pressure layers affe : out of range
Severe: avg_pge=0.8837, expected range: -0.0840 0.1429
Severe: rms_fgdepar=20.8700, expected range: 0.3393 4.1132
EUROPEAN WIND PROFILER VECTOR DIFF (M/S) 06234 PRESSURE LAYER 300-600 : out of range
Severe: avg_fgdepar=20.8700, expected range: 0.5969 3.2874
pilot
LAND PILOT WIND VECTOR DIFF (M/S) 48327 PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8337, expected range: -0.9762 0.7500
synop
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 18138 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8090, expected range: 0.7093 0.7500
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 18133 : out of range
10 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8117, expected range: -0.5592 0.7500
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 18162 : out of range
32 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=789.4811, expected range: 598.4826 839.1155
Severely_persistent: avg_fgdepar=789.1275, expected range: 597.9886 838.5082
AUTOMATIC LAND SYNOP RH2M (%) : out of range
Severe: rms_fgdepar=21.6385, expected range: 7.6703 15.2600
AUTOMATIC LAND SYNOP RH2M (%) 17716 : out of range
Severe: rms_fgdepar=37.4451, expected range: 0.0000 19.4601
AUTOMATIC LAND SYNOP RH2M (%) 18212 : out of range
Severe: rms_fgdepar=58.6501, expected range: 0.0000 52.4327
Severe: avg_fgdepar=56.8357, expected range: -54.3075 55.9793
MANUAL LAND SYNOP RH2M (%) 17096 : out of range
Severe: rms_fgdepar=53.7119, expected range: 0.0000 61.1826
Severe: avg_fgdepar=53.7119, expected range: -50.3052 77.2106
MANUAL LAND SYNOP RH2M (%) 64750 : out of range
Severe: avg_pge=0.8348, expected range: -0.0256 0.0444
BUFR LAND SYNOP Z (M) 44517 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.9220, expected range: -0.9898 0.7500
BUFR LAND SYNOP Z (M) 06715 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8945, expected range: -0.7183 0.7500
BUFR LAND SYNOP RH2M (%) 15118 : out of range
Severe: avg_pge=0.8323, expected range: -0.0289 0.0393
Severe: rms_fgdepar=60.7284, expected range: 0.0000 44.3579
Severe: avg_fgdepar=60.7282, expected range: -23.6955 42.6542
BUFR LAND SYNOP RH2M (%) 72255 : out of range
Severe: avg_pge=0.9588, expected range: -0.0535 0.0714
BUFR LAND SYNOP RH2M (%) 94633 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9600, expected range: -1.9237 0.7500
BUFR LAND SYNOP RH2M (%) 94422 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=1.0000, expected range: -0.4146 0.4964
Severe: rms_fgdepar=63.2317, expected range: 0.0000 69.9004
Severe: avg_fgdepar=63.2317, expected range: -72.7048 86.5249
BUFR LAND SYNOP SURFACE PRESSURE (PA) 13369 : out of range
Severe: rms_fgdepar=347.5978, expected range: 0.0000 130.6306
BUFR LAND SYNOP SURFACE PRESSURE (PA) 22656 : out of range
Severe: rms_fgdepar=725.2109, expected range: 0.0000 165.4067
Severe: avg_fgdepar=-606.9024, expected range: -179.0560 98.5158
BUFR LAND SYNOP SURFACE PRESSURE (PA) 94834 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=632.3020, expected range: 0.0000 120.1131
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48324 : out of range
Severe: rms_fgdepar=306.9567, expected range: 0.0000 63.9850
BUFR LAND SYNOP SURFACE PRESSURE (PA) 91772 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8429, expected range: -0.3953 0.7500
Severe: rms_fgdepar=355.0674, expected range: 0.0000 275.6258
BUFR LAND SYNOP SURFACE PRESSURE (PA) 11362 : out of range
Severe: avg_pge=0.8203, expected range: -0.8782 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48802 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8025, expected range: -0.3205 0.7500
ship
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 3FPS9 : out of range
Severe: avg_pge=0.8106, expected range: -0.7722 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VRLI8 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=514.2608, expected range: 113.7111 776.3884
Severe: avg_fgdepar=513.7768, expected range: 90.8908 793.4616
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VRRD7 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9156, expected range: -1.1569 0.7500
Severe: rms_fgdepar=1017.8963, expected range: 0.0000 1537.1884
Severe: avg_fgdepar=-1017.8963, expected range: -802.4569 1571.3259
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VREM6 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9001, expected range: -0.8911 0.7500
Severe: rms_fgdepar=791.9323, expected range: 0.0000 378.5377
Severe: avg_fgdepar=-791.9323, expected range: -424.4839 450.3835
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) V7A2557 : out of range
Severe: avg_pge=0.8980, expected range: -1.2358 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9V3776 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8979, expected range: -0.8325 0.7500
BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) D5LD4 : out of range
Severe: avg_pge=0.9045, expected range: -1.2790 0.7500
Severe: rms_fgdepar=17.8436, expected range: 0.0000 9.1770
buoy
MOORED BUOYS SURFACE PRESSURE (PA) 6301004 : out of range
6 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8987, expected range: -0.9760 0.7500
Severely_persistent: rms_fgdepar=568.8839, expected range: 0.0000 857.4281
Severely_persistent: avg_fgdepar=565.3469, expected range: -795.0723 684.4805
DRIFTING BUOYS SURFACE PRESSURE (PA) 1501749 : out of range
5 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8065, expected range: -0.3387 0.3800
Severely_persistent: rms_fgdepar=468.2148, expected range: 0.0000 236.0764
DRIFTING BUOYS SURFACE PRESSURE (PA) 4401577 : out of range
7 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.8509, expected range: -0.9401 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 4601840 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: avg_pge=0.9072, expected range: -0.8295 0.7500
Severely_persistent: rms_fgdepar=579.6949, expected range: 0.0000 585.0770
Severely_persistent: avg_fgdepar=-576.3169, expected range: -808.6983 527.3421
DRIFTING BUOYS SURFACE PRESSURE (PA) 6203582 : out of range
Severe: rms_fgdepar=384.0845, expected range: 0.0000 75.0677
DRIFTING BUOYS SURFACE PRESSURE (PA) 6301571 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8264, expected range: -1.1108 0.7500
Severe: rms_fgdepar=459.5225, expected range: 0.0000 357.2614
metar
METAR SURFACE PRESSURE (PA) LICE : out of range
Severe: rms_fgdepar=687.0795, expected range: 0.0000 572.8234
Severe: avg_fgdepar=-529.9819, expected range: -567.3386 62.6142
snow
MANUAL LAND SYNOP SNOW (CM) 20107 : out of range
18 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=91.8663, expected range: 84.6512 104.1834
Severely_persistent: avg_fgdepar=91.8663, expected range: 84.6512 104.1834
MANUAL LAND SYNOP SNOW (CM) 30815 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=65.0095, expected range: 55.2306 67.6386
Severely_persistent: avg_fgdepar=65.0095, expected range: 55.2306 67.6386
ROCOB TEMP SNOW (CM) 63309115 : out of range
8 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=54.1864, expected range: 39.1449 57.4671
Severely_persistent: avg_fgdepar=-54.1864, expected range: -57.4671 -39.1449
BUFR LAND SYNOP SNOW (CM) 20107 : out of range
18 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=89.6942, expected range: 81.6508 102.9302
Severely_persistent: avg_fgdepar=89.6942, expected range: 81.6508 102.9302
BUFR LAND SYNOP SNOW (CM) 01036 : out of range
32 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=121.1365, expected range: 47.5943 130.0657
Severely_persistent: avg_fgdepar=-121.1310, expected range: -130.0038 -47.5754
BUFR LAND SYNOP SNOW (CM) 30815 : out of range
16 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=65.2883, expected range: 55.5247 67.7987
Severely_persistent: avg_fgdepar=65.2883, expected range: 55.5248 67.7986
BUFR LAND SYNOP SNOW (CM) 01091 : out of range
38 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=104.8871, expected range: 71.2837 97.3417
Severely_persistent: avg_fgdepar=-104.8837, expected range: -97.3138 -71.2753
BUFR LAND SYNOP SNOW (CM) 01480 : out of range
20 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=66.4883, expected range: 54.4308 67.1790
Severely_persistent: avg_fgdepar=-66.4849, expected range: -67.1851 -54.4209
MANUAL LAND SYNOP SNOW (CM) : out of range
Severe: rms_fgdepar=14.8685, expected range: 0.0000 7.3632
MANUAL LAND SYNOP SNOW (CM) 27369 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=29.8614, expected range: 0.0000 14.2451
MANUAL LAND SYNOP SNOW (CM) 27995 : out of range
Severe: rms_fgdepar=29.4012, expected range: 0.1515 2.1271
MANUAL LAND SYNOP SNOW (CM) 22004 : out of range
Severe: rms_fgdepar=23.3012, expected range: 0.6422 8.6563
MANUAL LAND SYNOP SNOW (CM) 13183 : out of range
Severe: rms_fgdepar=106.0000, expected range: -0.5535 0.8371
Severe: avg_fgdepar=106.0000, expected range: -0.7693 0.5558
ROCOB TEMP SNOW (CM) 63303278 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=18.8275, expected range: 3.5294 11.7992
BUFR LAND SYNOP SNOW (CM) 27369 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=29.8370, expected range: 0.0000 14.2845
BUFR LAND SYNOP SNOW (CM) 13183 : out of range
Severe: rms_fgdepar=106.0000, expected range: -0.5535 0.8371
Severe: avg_fgdepar=106.0000, expected range: -0.7693 0.5558
t2m
METAR 2M TEMPERATURE (K) VYNT : out of range
6 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=13.6744, expected range: 8.8183 12.4726
Severely_persistent: avg_fgdepar=13.3397, expected range: 8.7915 12.1938
BUFR LAND SYNOP 2M TEMPERATURE (K) 27415 : out of range
28 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=14.5891, expected range: 10.2157 21.4296
Severely_persistent: avg_fgdepar=14.5413, expected range: 10.1595 21.4208
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 57178 : out of range
Severe: rms_fgdepar=12.4737, expected range: 0.0000 12.9336
Severe: avg_fgdepar=12.4737, expected range: -9.9812 15.0778
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 11304 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=11.0447, expected range: 1.2570 4.6726
AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 53772 : out of range
4 times in the last 10 days for at least one item
Severe: rms_fgdepar=12.3056, expected range: 0.0000 17.5533
Severe: avg_fgdepar=12.3056, expected range: -8.5418 18.1341
MANUAL LAND SYNOP 2M TEMPERATURE (K) 37609 : out of range
Severe: rms_fgdepar=11.5206, expected range: 0.0000 5.8366
MANUAL LAND SYNOP 2M TEMPERATURE (K) 42767 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=12.0773, expected range: -8.0517 14.7047
Severe: avg_fgdepar=-12.0773, expected range: -14.7552 8.1730
MANUAL LAND SYNOP 2M TEMPERATURE (K) 30385 : out of range
Severe: rms_fgdepar=10.7872, expected range: 0.3774 6.1822
METAR 2M TEMPERATURE (K) LTCB : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=16.7551, expected range: 3.4533 17.8824
Severe: avg_fgdepar=16.7290, expected range: 3.9035 17.1367
METAR 2M TEMPERATURE (K) LEBA : out of range
Severe: rms_fgdepar=16.5741, expected range: 0.0000 5.7145
Severe: avg_fgdepar=16.5741, expected range: -1.8064 2.9418
LAND TEMP 2M TEMPERATURE (K) 30230 : out of range
Severe: rms_fgdepar=12.9378, expected range: 0.0000 14.4515
Severe: avg_fgdepar=-12.9378, expected range: -14.5831 3.9694
BUFR LAND SYNOP 2M TEMPERATURE (K) 15297 : out of range
Severe: rms_fgdepar=10.3386, expected range: 0.7727 4.3252
BUFR LAND SYNOP 2M TEMPERATURE (K) 42767 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=12.1152, expected range: -8.0340 14.7521
Severe: avg_fgdepar=-12.1152, expected range: -14.7869 8.1173
BUFR LAND SYNOP 2M TEMPERATURE (K) 11304 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=10.9948, expected range: 1.2197 4.6292
BUFR LAND SYNOP 2M TEMPERATURE (K) 10962 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=12.0398, expected range: 0.0000 8.6890
MANUAL LAND SYNOP 2M TEMPERATURE (K) : out of range
Considerable: obs_number=79.0000, expected range: 102.0168 141.4832
rh2m
MANUAL LAND SYNOP RH2M (%) 94213 : out of range
Severe: rms_fgdepar=35.8729, expected range: 0.0000 15.3160
BUFR LAND SYNOP RH2M (%) 10544 : out of range
Severe: rms_fgdepar=34.6815, expected range: 0.0000 17.2247