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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-11-08 00:00
| 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 |
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| All NOAA-19 AMSUA ALL SKY CHANNELS Global : all data missing
Severely_persistent: obs_number=0, expected range: 114.61 1466.89 |
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| Atmospheric Motion Vector | ||
| All HIMAWARI-8 AMV CLOUDY WV3 ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 124.10 916.96 |
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| GOES-17 AMV VIS1 WIND VECTOR DIFF (M/S) PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: obs_number=3282.0000, expected range: 13271.9224 17443.5776 |
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| GOES-16 AMV CLOUDY WV3 WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HP : out of range
Considerable: obs_number=3165.0000, expected range: 5990.0580 7816.4420 |
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| resat | ||
| All NOAA-19 SBUV ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 521.94 547.81 |
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| Radiosondes | ||
| LAND TEMP TEMPERATURE (K) 40754 PRESSURE LAYER 0-300 (HPA) : out of range
2 times in the last 10 days for at least one item Severe: avg_fgdepar=22.5355, expected range: -1.4043 0.8072 Severe: rms_fgdepar=22.7150, expected range: 0.7465 2.8709 Severe: avg_pge=0.9194, expected range: -0.4932 0.7024 |
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| LAND TEMP TEMPERATURE (K) 68592 PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item Severe: rms_fgdepar=6.1109, expected range: 0.0000 3.2665 |
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| LAND TEMP TEMPERATURE (K) 30758 PRESSURE LAYER 900-1200 (HPA) : out of range
2 times in the last 10 days for at least one item Severe: avg_pge=0.8781, expected range: -0.7832 0.7500 |
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| LAND TEMP WIND VECTOR DIFF (M/S) 40265 (3 pressure layers affected) : out of range
Severe: rms_fgdepar=18.1990, expected range: 0.0000 9.1012 |
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| LAND TEMP WIND VECTOR DIFF (M/S) 40754 PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item Severe: avg_fgdepar=20.9395, expected range: 2.0630 7.0375 Severe: rms_fgdepar=23.7414, expected range: 2.3695 7.9943 |
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| HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) 59293 PRESSURE LAYER 0-300 : out of range
Severe: avg_fgdepar=26.9276, expected range: -1.9147 7.1426 Severe: rms_fgdepar=27.1122, expected range: 0.0000 8.1770 Severe: avg_pge=0.8882, expected range: -0.0402 0.0525 |
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| amdar | ||
| WIGOS AMDAR WIND VECTOR DIFF (M/S) E0KXLIZA PRESSURE LAYER 900-1200 (H : out of range
3 times in the last 10 days for at least one item Severe: avg_pge=0.8421, expected range: -0.6310 0.7500 |
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| WIGOS AMDAR TEMPERATURE (K) CNTTKM PRESSURE LAYER 300-600 (HPA) : out of range
Severe: avg_pge=0.8515, expected range: -0.3300 0.7500 |
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| ADS-C WIND VECTOR DIFF (M/S) LLEZRNRA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.7520, expected range: 0.0000 8.9280 |
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| pilot | ||
| LAND PILOT WIND VECTOR DIFF (M/S) 48877 PRESSURE LAYER 900-1200 (HPA) : out of range
8 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8951, expected range: -0.3207 0.7500 |
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| LAND PILOT WIND VECTOR DIFF (M/S) 43128 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=21.5154, expected range: 0.0000 4.7797 |
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| synop | ||
| MANUAL LAND SYNOP RH2M (%) 65125 : out of range
10 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8758, expected range: -1.2223 0.7500 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 76548 : out of range
5 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8041, expected range: -0.9106 0.7500 |
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| AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 72768 : out of range
Severe: rms_fgdepar=319.4644, expected range: 0.0000 84.5455 |
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| MANUAL LAND SYNOP SURFACE PRESSURE (PA) 65469 : out of range
Severe: avg_fgdepar=554.5053, expected range: -110.7415 67.9644 Severe: rms_fgdepar=735.3821, expected range: 0.0000 98.0310 |
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| MANUAL LAND SYNOP SURFACE PRESSURE (PA) 82792 : out of range
Severe: avg_pge=0.8331, expected range: -0.1231 0.7500 |
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| MANUAL LAND SYNOP RH2M (%) 64701 : out of range
Severe: rms_fgdepar=49.1183, expected range: 0.0000 27.6958 Severe: avg_pge=0.9996, expected range: -0.0080 0.0153 |
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| MANUAL LAND SYNOP RH2M (%) 94660 : out of range
Severe: avg_pge=0.9998, expected range: -0.1128 0.1471 |
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| MANUAL LAND SYNOP RH2M (%) 95669 : out of range
Severe: avg_pge=0.9994, expected range: -0.1762 0.2399 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 38341 : out of range
Severe: rms_fgdepar=322.5569, expected range: 0.0000 180.0742 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 42516 : out of range
Severe: rms_fgdepar=546.0223, expected range: 0.0000 165.5247 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 43197 : out of range
Severe: avg_fgdepar=-967.7391, expected range: -333.5812 185.1115 Severe: rms_fgdepar=967.7391, expected range: 0.0000 319.3537 Severe: avg_pge=0.9405, expected range: -1.1673 0.7500 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 81797 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=610.0522, expected range: 497.7107 722.5411 Severe: rms_fgdepar=610.5211, expected range: 497.9259 722.9556 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 94334 : out of range
2 times in the last 10 days for at least one item Severe: avg_pge=0.8742, expected range: -1.4321 0.7500 |
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| BUFR LAND SYNOP RH2M (%) 06750 : out of range
Severe: avg_pge=0.8937, expected range: -0.9752 0.7500 |
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| BUFR LAND SYNOP RH2M (%) 06799 : out of range
Severe: avg_pge=0.8239, expected range: -0.4742 0.6028 |
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| BUFR LAND SYNOP RH2M (%) 37880 : out of range
Severe: avg_fgdepar=50.8494, expected range: -52.8177 64.2617 Severe: rms_fgdepar=50.8494, expected range: 0.0000 53.9965 |
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| BUFR LAND SYNOP RH2M (%) 94444 : out of range
Severe: rms_fgdepar=48.2150, expected range: 0.0000 18.5871 Severe: avg_pge=0.9797, expected range: 0.0021 0.0031 |
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| BUFR LAND SYNOP RH2M (%) 95669 : out of range
Severe: avg_pge=0.9999, expected range: -0.4360 0.5714 |
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| ship | ||
| BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) JPTX : out of range
6 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8687, expected range: -0.8082 0.7500 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) WTEE : out of range
9 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=530.5159, expected range: -1275.0370 1316.7674 Severely_persistent: rms_fgdepar=558.6687, expected range: -1062.4710 1304.0416 |
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| BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) WDM2180 : out of range
Severe: avg_pge=0.8935, expected range: -1.0963 0.7500 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V3704 : out of range
2 times in the last 10 days for at least one item Severe: avg_fgdepar=1084.0138, expected range: -231.3604 221.9400 Severe: rms_fgdepar=1084.0138, expected range: 0.0000 248.7198 Severe: avg_pge=0.9057, expected range: -0.4595 0.5516 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V5027 : out of range
3 times in the last 10 days for at least one item Severe: avg_pge=0.8271, expected range: -0.3527 0.7500 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) CFK5152 : out of range
Severe: avg_fgdepar=-526.2808, expected range: -1355.6702 931.5791 Severe: rms_fgdepar=555.2835, expected range: 0.0000 1355.6199 Severe: avg_pge=0.8232, expected range: -1.2223 0.7500 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) H8BV : out of range
Severe: rms_fgdepar=449.9839, expected range: 0.0000 105.4991 |
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| buoy | ||
| DRIFTING BUOYS SURFACE PRESSURE (PA) 4301608 : out of range
6 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8814, expected range: -1.3090 0.7500 |
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| DRIFTING BUOYS SURFACE PRESSURE (PA) 4402746 : out of range
6 times in the last 10 days for at least one item Severely_persistent: rms_fgdepar=482.9579, expected range: 0.0000 77.4790 Severely_persistent: avg_pge=0.8731, expected range: -0.0623 0.0810 |
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| DRIFTING BUOYS SURFACE PRESSURE (PA) 4802597 : out of range
25 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8222, expected range: -1.5112 0.7500 |
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| DRIFTING BUOYS SURFACE PRESSURE (PA) 6501679 : out of range
Severe: rms_fgdepar=419.3010, expected range: 0.0000 100.8583 Severe: avg_pge=0.8660, expected range: -0.1466 0.1819 |
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| metar | ||
| METAR SURFACE PRESSURE (PA) ORMM : out of range
Severe: rms_fgdepar=306.0750, expected range: 0.0000 139.6532 |
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| AUTOMATIC METAR SURFACE PRESSURE (PA) KMLS : out of range
Severe: rms_fgdepar=302.7541, expected range: 0.0000 166.6470 |
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| 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=-787.1653, expected range: -793.8570 -756.1122 Severely_persistent: rms_fgdepar=787.1656, expected range: 756.3274 793.7438 |
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| t2m | ||
| METAR 2M TEMPERATURE (K) KMSY : out of range
7 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=-12.7570, expected range: -15.2741 10.9243 Severely_persistent: rms_fgdepar=12.7651, expected range: 0.0000 16.9938 |
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| LAND TEMP 2M TEMPERATURE (K) 24688 : out of range
8 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=-15.2857, expected range: -21.2311 5.2274 Severely_persistent: rms_fgdepar=15.2857, expected range: 0.0000 21.2311 |
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| BUFR LAND SYNOP 2M TEMPERATURE (K) _MI17BBB : out of range
7 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=18.8472, expected range: -8.3783 14.3112 Severely_persistent: rms_fgdepar=18.8633, expected range: 0.0000 14.1993 |
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| AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 56106 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=12.5465, expected range: 6.0942 15.3332 Severe: rms_fgdepar=12.5465, expected range: 6.0942 15.3332 |
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| AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 71632 : out of range
2 times in the last 10 days for at least one item Severe: avg_fgdepar=-13.4514, expected range: -9.1286 5.1769 Severe: rms_fgdepar=13.5697, expected range: 0.0000 9.1629 |
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| AUTOMATIC LAND SYNOP 2M TEMPERATURE (K) 71653 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=14.4779, expected range: -10.3023 19.7678 Severe: rms_fgdepar=14.4844, expected range: 0.0000 17.2787 |
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| MANUAL LAND SYNOP 2M TEMPERATURE (K) 61091 : out of range
Severe: rms_fgdepar=11.6856, expected range: 0.0000 4.4670 |
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| METAR 2M TEMPERATURE (K) EGOV : out of range
Severe: rms_fgdepar=13.2270, expected range: 0.0000 2.8274 |
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| METAR 2M TEMPERATURE (K) LTCB : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=12.7411, expected range: 1.0391 16.4394 Severe: rms_fgdepar=12.8697, expected range: 2.0792 16.2819 |
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| BUFR LAND SYNOP 2M TEMPERATURE (K) 71632 : out of range
Severe: avg_fgdepar=-12.3468, expected range: -9.1271 5.2118 Severe: rms_fgdepar=12.7763, expected range: 0.0000 9.1462 |
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| BUFR LAND SYNOP 2M TEMPERATURE (K) 71653 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=14.4907, expected range: -9.7112 19.0796 Severe: rms_fgdepar=14.5167, expected range: 0.0000 16.8882 |
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| BUFR LAND SYNOP 2M TEMPERATURE (K) _MI1D581 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=-12.2360, expected range: -21.8106 -11.0825 Severe: rms_fgdepar=12.2421, expected range: 11.1101 21.8181 |
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| rh2m | ||
| MANUAL LAND SYNOP RH2M (%) 65123 : out of range
Severe: rms_fgdepar=39.4729, expected range: 0.0000 22.3234 |
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