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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-06-30 00:00
| amsua | ||
| METOP-B AMSUA ALL SKY RADIANCES CHANNEL 13 : out of range
19 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.1042, expected range: 0.1615 0.1835 |
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| METOP-C AMSUA ALL SKY RADIANCES CHANNEL 13 : out of range
18 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=-0.4037, expected range: -0.3521 -0.2938 |
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| iasi | ||
| METOP-B IASI RADIANCES CHANNEL 5480 : out of range
9 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=-0.4042, expected range: -0.3632 -0.3475 |
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| METOP-B IASI RADIANCES CHANNEL 163 : out of range
8 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.2419, expected range: 0.2658 0.2771 |
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| METOP-B IASI RADIANCES CHANNEL 170 : out of range
9 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.1846, expected range: 0.2102 0.2287 |
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| METOP-B IASI RADIANCES CHANNEL 1513 : out of range
5 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=-0.1637, expected range: -0.1438 -0.1197 |
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| METOP-C IASI RADIANCES CHANNEL 144 : out of range
7 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.1691, expected range: 0.1943 0.2002 |
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| METOP-C IASI RADIANCES CHANNEL 170 : out of range
5 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.1658, expected range: 0.1863 0.2029 |
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| METOP-C IASI RADIANCES CHANNEL 183 : out of range
9 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.1611, expected range: 0.1896 0.2031 |
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| METOP-C IASI RADIANCES CHANNEL 189 : out of range
9 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.1296, expected range: 0.1601 0.1703 |
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| METOP-C IASI RADIANCES CHANNEL 195 : out of range
9 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.0989, expected range: 0.1249 0.1260 |
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| METOP-C IASI RADIANCES CHANNEL 329 : out of range
8 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=-0.2622, expected range: -0.2326 -0.2092 |
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| METOP-C IASI RADIANCES CHANNEL 360 : out of range
8 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=-0.2189, expected range: -0.1894 -0.1694 |
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| ssmis | ||
| DMSP-17 SSMIS RADIANCES CHANNEL 7 : out of range
13 times in the last 10 days for at least one item Severely_persistent: stdev_norm_fgdepar=0.0051, expected range: 0.0044 0.0047 |
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| gpsro | ||
| COSMIC2-E1 GPSRO SETTING (23 impact heights affected) : out of range
Slight: obs_number=2508.0000, expected range: 2842.5835 3985.5415 |
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| COSMIC2-E2 GPSRO SETTING (24 impact heights affected) : out of range
Slight: obs_number=1508.0000, expected range: 1860.4830 2827.7670 |
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| Atmospheric Motion Vector | ||
| NOAA-15 AVHRR IR WIND VECTOR DIFF (M/S) PRESSURE LAYER 600-900 (HPA) : out of range
Slight: obs_number=217.0000, expected range: 30.0796 152.2508 |
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| Geostationary CSR | ||
| HIMAWARI-8 AHI RADIANCES CHANNEL 2 : out of range
17 times in the last 10 days for at least one item Severely_persistent: avg_biascorr=0.1862, expected range: 0.1124 0.1476 |
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| METEOSAT-11 SEVIRI RADIANCES CHANNEL 3 : out of range
Considerable: stdev_fgdepar=0.9317, expected range: 0.6663 0.8194 |
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| resat | ||
| All AURA OMI ALL LAYERS Global : all data missing
Severe: obs_number=0, expected range: 17477.56 24154.69 |
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| Radiosondes | ||
| All HIGH RESO SEA TEMP ALL LAYERS North East Pacific : all data missing
Severely_persistent: obs_number=0, expected range: 46.16 492.19 |
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| LAND TEMP Q (G/KG) 30230 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=4.9267, expected range: 0.3269 1.9322 |
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| LAND TEMP WIND VECTOR DIFF (M/S) 38064 (2 pressure layers affected) : out of range
Severe: rms_fgdepar=18.1484, expected range: 0.6515 6.8066 |
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| LAND TEMP WIND VECTOR DIFF (M/S) 38064 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: avg_pge=0.8826, expected range: -0.8923 0.7500 |
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| HIGH RESO LAND TEMP Q (G/KG) 94510 PRESSURE LAYER 600-900 (HPA) : out of range
Severe: rms_fgdepar=2.5811, expected range: 0.0000 1.1649 |
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| HIGH RESO LAND TEMP Q (G/KG) 15614 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=2.2974, expected range: 0.0000 1.2171 |
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| HIGH RESO LAND TEMP Q (G/KG) 76405 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=2.7415, expected range: 0.0000 1.5653 |
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| HIGH RESO LAND TEMP Q (G/KG) 22008 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=2.5940, expected range: 0.0000 1.2339 |
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| HIGH RESO LAND TEMP TEMPERATURE (K) (2 pressure layers affected) : out of range
2 times in the last 10 days for at least one item Severe: obs_number=278.0000, expected range: 364.2069 383.2931 |
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| LAND TEMP Q (G/KG) PRESSURE LAYER 900-1200 (HPA) : out of range
Considerable: rms_fgdepar=2.0054, expected range: 0.8985 1.5779 |
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| amdar | ||
| WIGOS AMDAR TEMPERATURE (K) ERSXOEZA PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=7.6858, expected range: 0.0000 3.6036 Severe: avg_pge=0.8995, expected range: -0.8830 0.7500 |
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| WIGOS AMDAR WIND VECTOR DIFF (M/S) 1HTUIRBA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=15.2266, expected range: 0.5636 5.6959 |
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| WIGOS AMDAR Q (G/KG) WWJWUUJA PRESSURE LAYER 900-1200 (HPA) : out of range
2 times in the last 10 days for at least one item Severe: avg_fgdepar=-6.0066, expected range: -11.0001 3.6100 Severe: rms_fgdepar=6.0782, expected range: 0.0000 8.8770 |
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| airep | ||
| AIREP WIND VECTOR DIFF (M/S) ANZ141 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=34.7780, expected range: 0.5547 6.5789 |
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| prof | ||
| EUROPEAN WIND PROFILER VECTOR DIFF (M/S) PRESSURE LAYER 300-600 (HPA) : missing
6 times in the last 10 days for at least one item Severely_persistent: obs_number=0.0000, expected range: 0.0000 773.4010 |
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| EUROPEAN WIND PROFILER VECTOR DIFF (M/S) 01405 PRESSURE LAYER 0-300 (H : out of range
Severe: avg_pge=0.8011, expected range: -0.7068 0.7500 |
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| pilot | ||
| LAND PILOT WIND VECTOR DIFF (M/S) 97686 PRESSURE LAYER 300-600 (HPA) : out of range
Severe: avg_pge=0.8360, expected range: -1.1475 0.7500 |
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| synop | ||
| BUFR LAND SYNOP SURFACE PRESSURE (PA) 41573 : out of range
38 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=857.6121, expected range: 439.4227 1251.2934 Severely_persistent: rms_fgdepar=859.6740, expected range: 441.4077 1251.8928 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 42077 : out of range
5 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8551, expected range: -1.7030 0.7500 |
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| BUFR LAND SYNOP RH2M (%) 64040 : out of range
9 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.9774, expected range: -1.0266 0.7500 |
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| MANUAL LAND SYNOP SURFACE PRESSURE (PA) 40080 : out of range
2 times in the last 10 days for at least one item Severe: rms_fgdepar=382.4282, expected range: 0.0000 208.5190 Severe: avg_pge=0.8380, expected range: -1.0126 0.7500 |
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| MANUAL LAND SYNOP SURFACE PRESSURE (PA) 60355 : out of range
Severe: avg_pge=0.8047, expected range: 0.4854 0.7500 |
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| MANUAL LAND SYNOP SURFACE PRESSURE (PA) 60475 : out of range
Severe: rms_fgdepar=309.7543, expected range: 0.0000 172.9171 |
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| MANUAL LAND SYNOP SURFACE PRESSURE (PA) 60775 : out of range
Severe: rms_fgdepar=317.5694, expected range: 0.0000 161.8579 |
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| MANUAL LAND SYNOP RH2M (%) 62124 : out of range
Severe: rms_fgdepar=37.1668, expected range: -17.2592 25.1060 Severe: avg_pge=0.9809, expected range: -0.0012 0.0074 |
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| MANUAL LAND SYNOP RH2M (%) 60767 : out of range
2 times in the last 10 days for at least one item Severe: avg_pge=0.9998, expected range: -1.4497 0.7500 |
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| MANUAL LAND SYNOP RH2M (%) 41739 : out of range
Severe: rms_fgdepar=42.2702, expected range: 0.0000 20.6098 Severe: avg_pge=0.9950, expected range: -0.0993 0.1212 |
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| MANUAL LAND SYNOP Z (M) 38462 : out of range
1 times in the last 10 days for at least one item Severe: avg_pge=0.9751, expected range: -0.8400 0.7500 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) : out of range
3 times in the last 10 days for at least one item Severe: obs_number=5147.0000, expected range: 4206.1623 4264.0877 Severe: obs_number=6959.0000, expected range: 5485.2628 5607.7372 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 48331 : out of range
Severe: rms_fgdepar=374.0428, expected range: 0.0000 149.5027 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 48991 : out of range
Severe: avg_fgdepar=729.0750, expected range: -54.9114 365.0752 Severe: rms_fgdepar=729.0750, expected range: 0.0000 365.0752 Severe: avg_pge=0.9245, expected range: -0.4965 0.7500 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 81996 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=-662.3860, expected range: -1245.4958 -8.3179 Severe: rms_fgdepar=691.7481, expected range: 108.0219 1194.5828 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 48387 : out of range
Severe: rms_fgdepar=355.1147, expected range: 4.6906 150.1988 |
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| BUFR LAND SYNOP SURFACE PRESSURE (PA) 36819 : out of range
Severe: rms_fgdepar=437.3475, expected range: 0.0000 132.9150 |
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| BUFR LAND SYNOP RH2M (%) 13600 : out of range
Severe: avg_pge=0.8072, expected range: -0.9474 0.7500 |
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| BUFR LAND SYNOP RH2M (%) 42771 : out of range
1 times in the last 10 days for at least one item Severe: avg_pge=0.9957, expected range: -1.6896 0.7500 |
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| ship | ||
| SHIP WIND VECTOR DIFF (M/S) : out of range
8 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8893, expected range: 0.1483 0.7500 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9VPY4 : out of range
29 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=904.4836, expected range: 321.6296 1321.6290 Severely_persistent: rms_fgdepar=905.0479, expected range: 320.3119 1325.0655 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9HA4777 : out of range
12 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=671.2251, expected range: 38.0878 1291.1574 Severely_persistent: rms_fgdepar=671.2251, expected range: 38.0878 1291.1574 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) D5UO7 : out of range
10 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=876.2645, expected range: 738.3636 1270.7945 Severely_persistent: rms_fgdepar=876.2645, expected range: 738.3636 1270.7945 |
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| BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) EUMDE25 : out of range
Severe: rms_fgdepar=17.5908, expected range: 0.0000 9.5685 Severe: avg_pge=0.8658, expected range: -0.7181 0.7500 |
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| BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) V7A4867 : out of range
Severe: avg_pge=0.8712, expected range: -0.2826 0.7500 |
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| BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) 9HA4777 : out of range
Severe: rms_fgdepar=15.5443, expected range: 0.0000 15.0800 Severe: avg_pge=0.8937, expected range: -1.0447 0.7500 |
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| BUFR SHIP SYNOP WIND VECTOR DIFF (M/S) A8SG7 : out of range
Severe: avg_pge=0.8941, expected range: -1.1050 0.7500 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) V7UX2 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=863.5677, expected range: -109.1062 442.0346 Severe: rms_fgdepar=863.5677, expected range: 0.0000 442.7362 Severe: avg_pge=0.8805, expected range: -0.8379 0.7500 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) EUMDE25 : out of range
Severe: rms_fgdepar=341.3405, expected range: 0.0000 122.5735 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V2729 : out of range
Severe: rms_fgdepar=789.6097, expected range: 0.0000 350.4150 |
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| BUFR SHIP SYNOP SURFACE PRESSURE (PA) 3FPQ9 : out of range
Severe: rms_fgdepar=308.7052, expected range: 0.0000 95.1955 |
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| buoy | ||
| DRIFTING BUOYS SURFACE PRESSURE (PA) 6501671 : out of range
15 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=-579.8788, expected range: -1379.1842 1347.6377 Severely_persistent: rms_fgdepar=581.6661, expected range: 0.0000 917.5557 Severely_persistent: avg_pge=0.9045, expected range: -0.0676 0.7500 |
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| DRIFTING BUOYS SURFACE PRESSURE (PA) 4101655 : out of range
5 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=617.1284, expected range: -319.5016 540.9644 Severely_persistent: rms_fgdepar=617.5217, expected range: 0.0000 510.0949 Severely_persistent: avg_pge=0.9060, expected range: -1.0100 0.7500 |
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| DRIFTING BUOYS SURFACE PRESSURE (PA) 6204596 : out of range
13 times in the last 10 days for at least one item Severely_persistent: avg_pge=0.8817, expected range: -0.3206 0.7500 |
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| DRIFTING BUOYS SURFACE PRESSURE (PA) 2101635 : out of range
Severe: rms_fgdepar=403.8074, expected range: 0.0000 163.7638 Severe: avg_pge=0.8598, expected range: -0.6215 0.7500 |
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| metar | ||
| METAR SURFACE PRESSURE (PA) OIGK : out of range
Severe: avg_fgdepar=506.6530, expected range: -699.9905 692.7253 Severe: rms_fgdepar=509.8374, expected range: 0.0000 625.5834 |
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| METAR SURFACE PRESSURE (PA) MHLM : out of range
Severe: rms_fgdepar=397.3120, expected range: 0.0000 133.3408 |
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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=-773.6146, expected range: -774.0210 -771.9674 |
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| 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=773.6148, expected range: 771.9674 774.0211 |
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| BUFR LAND SYNOP SNOW (CM) _MI11588 : out of range
32 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=60.1429, expected range: 52.0858 67.6939 |
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| BUFR LAND SYNOP SNOW (CM) _MI11588 : out of range
32 times in the last 10 days for at least one item Severely_persistent: rms_fgdepar=60.4708, expected range: 52.4585 67.8923 |
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| BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
34 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=61.3438, expected range: 51.6946 64.7621 |
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| BUFR LAND SYNOP SNOW (CM) _MI1067E : out of range
34 times in the last 10 days for at least one item Severely_persistent: rms_fgdepar=61.8650, expected range: 53.0131 64.7365 |
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| BUFR LAND SYNOP SNOW (CM) : out of range
5 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=52.0000, expected range: -0.3575 0.4513 Severely_persistent: rms_fgdepar=52.0000, expected range: 0.0000 1.4476 |
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| MANUAL LAND SYNOP SNOW (CM) 37552 : out of range
1 times in the last 10 days for at least one item Severe: avg_fgdepar=51.5000, expected range: -2.5495 61.8437 Severe: rms_fgdepar=52.3689, expected range: 3.2518 59.6186 |
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| t2m | ||
| BUFR LAND SYNOP 2M TEMPERATURE (K) 89009 : out of range
6 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=-12.5317, expected range: -17.8631 1.8776 Severely_persistent: rms_fgdepar=12.5494, expected range: 0.0000 17.9230 |
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| BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
26 times in the last 10 days for at least one item Severely_persistent: avg_fgdepar=-16.9471, expected range: -19.8529 -16.1161 |
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| BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
26 times in the last 10 days for at least one item Severely_persistent: rms_fgdepar=16.9588, expected range: 16.1174 19.8739 |
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| MANUAL LAND SYNOP 2M TEMPERATURE (K) 87305 : out of range
Severe: avg_fgdepar=13.2475, expected range: -5.3265 2.7168 Severe: rms_fgdepar=13.2475, expected range: 0.0000 6.8522 |
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| MANUAL LAND SYNOP 2M TEMPERATURE (K) 60368 : out of range
Severe: rms_fgdepar=11.1262, expected range: 0.0000 5.2424 |
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| MANUAL LAND SYNOP 2M TEMPERATURE (K) 89009 : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=-12.4817, expected range: -17.8131 1.9276 Severe: rms_fgdepar=12.4994, expected range: 0.0000 17.8721 |
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| MANUAL LAND SYNOP 2M TEMPERATURE (K) 63729 : out of range
2 times in the last 10 days for at least one item Severe: rms_fgdepar=12.7775, expected range: 0.2473 3.3471 |
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| METAR 2M TEMPERATURE (K) SKSA : out of range
Severe: avg_fgdepar=16.3687, expected range: -1.5107 3.3451 Severe: rms_fgdepar=16.3687, expected range: -3.2581 5.9101 |
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| METAR 2M TEMPERATURE (K) NZSP : out of range
4 times in the last 10 days for at least one item Severe: avg_fgdepar=-12.1817, expected range: -17.8173 2.0630 Severe: rms_fgdepar=12.1948, expected range: 0.0000 17.8546 |
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| METAR 2M TEMPERATURE (K) UMMS : out of range
Severe: rms_fgdepar=10.5445, expected range: 0.0000 4.6632 |
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| BUFR LAND SYNOP 2M TEMPERATURE (K) 87305 : out of range
Severe: avg_fgdepar=13.1975, expected range: -5.1156 2.2856 Severe: rms_fgdepar=13.1975, expected range: 0.0000 6.5323 |
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