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 Alerts are provided for information on an as-is basis and may be withdrawn or changed without notice.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 2022-08-14 00:00

amsua
NOAA-19 AMSUA ALL SKY RADIANCES CHANNEL 8 : out of range
3 times in the last 10 days for at least one item
Severe: avg_biascorr=-0.0721, expected range: -0.5003 -0.2586
cris
All NPP CRIS ALL CHANNELS Global : all data missing
Severely_persistent: obs_number=0, expected range: 14988.80 15827.20
gmi
All GPM GMI ALSKY ALL CHANNELS Global : all data missing
Severe: obs_number=0, expected range: 10274.61 13139.01
atms
All NPP ATMS ALL CHANNELS Global : all data missing
Severely_persistent: obs_number=0, expected range: 11479.31 13976.86
Atmospheric Motion Vector
All AQUA MODIS CLEAR WV ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 144.58 1012.83
All NPP VIIRS AMV IR ALL LAYERS Global : all data missing
Severely_persistent: obs_number=0, expected range: 188.57 1443.99
Radiosondes
LAND TEMP Q (G/KG) 36872 PRESSURE LAYER 900-1200 (HPA) : out of range
8 times in the last 10 days for at least one item
Severely_persistent: rms_fgdepar=6.1824, expected range: 0.0000 8.5270
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 46 : all data missing
Severely_persistent: obs_number=0, expected range: 57.94 689.49
All HIGH RESO SEA TEMP ALL LAYERS North East Pacific : all data missing
Severely_persistent: obs_number=0, expected range: 48.04 293.95
LAND TEMP TEMPERATURE (K) 60715 PRESSURE LAYER 0-300 (HPA) : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=13.5935, expected range: -35.8461 43.5089
Severe: rms_fgdepar=13.5936, expected range: -31.9511 41.5311
Severe: avg_pge=0.8616, expected range: -1.9741 0.7500
LAND TEMP TEMPERATURE (K) 30309 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=8.9399, expected range: 0.0000 2.1616
Severe: avg_pge=0.8951, expected range: -0.4010 0.6735
LAND TEMP WIND VECTOR DIFF (M/S) 42701 (2 pressure layers affected) : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=24.0561, expected range: 5.7590 38.6110
Severe: rms_fgdepar=24.6670, expected range: 5.1190 40.3720
LAND TEMP WIND VECTOR DIFF (M/S) 42701 PRESSURE LAYER 300-600 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8057, expected range: 0.4756 0.7500
LAND TEMP Q (G/KG) 41024 PRESSURE LAYER 900-1200 (HPA) : out of range
4 times in the last 10 days for at least one item
Severe: avg_fgdepar=7.1478, expected range: -13.4254 17.0436
Severe: rms_fgdepar=7.8735, expected range: 0.0000 16.3805
LAND TEMP Q (G/KG) 37259 PRESSURE LAYER 900-1200 (HPA) : out of range
Severe: rms_fgdepar=6.5875, expected range: 0.0000 4.4569
HIGH RESO LAND TEMP TEMPERATURE (K) 60715 PRESSURE LAYER 0-300 (HPA) : out of range
3 times in the last 10 days for at least one item
Severe: avg_fgdepar=13.6672, expected range: -32.4087 38.3731
Severe: rms_fgdepar=13.6672, expected range: -28.2095 36.4336
Severe: avg_pge=0.8571, expected range: -1.7683 0.7500
HIGH RESO LAND TEMP TEMPERATURE (K) 17281 PRESSURE LAYER 900-1200 (HPA : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8703, expected range: -0.7542 0.7500
HIGH RESO LAND TEMP WIND VECTOR DIFF (M/S) PRESSURE LAYER 300-600 (HPA : missing
1 times in the last 10 days for at least one item
Severe: obs_number=0.0000, expected range: 0.0000 269.2115
Severe: obs_number=0.0000, expected range: 93.8988 99.2440
HIGH RESO LAND TEMP Q (G/KG) (2 pressure layers affected) : out of range
Severe: obs_number=275.0000, expected range: 177.0953 192.1547
Severe: obs_number=180.0000, expected range: 83.8063 97.6937
All HIGH RESO LAND TEMP ALL LAYERS WMO BLOCK 24 : all data missing
Severe: obs_number=0, expected range: 109.57 150.76
All BUFR TEMP DESCENT ALL LAYERS North Atlantic : all data missing
Severe: obs_number=0, expected range: 63.75 133.68
All BUFR TEMP DESCENT ALL LAYERS North pole : all data missing
Severe: obs_number=0, expected range: 85.50 105.50
amdar
WIGOS AMDAR WIND VECTOR DIFF (M/S) EU0756 PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=19.5287, expected range: 0.1907 5.1596
Severe: avg_pge=0.8394, expected range: -0.1905 0.2969
ADS-C WIND VECTOR DIFF (M/S) 5B5F5EBA PRESSURE LAYER 0-300 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=15.5637, expected range: 0.0000 7.7555
ADS-C WIND VECTOR DIFF (M/S) GURICNJA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=20.2967, expected range: 0.0000 13.8842
ADS-C WIND VECTOR DIFF (M/S) NKEICOJA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=18.3367, expected range: 0.0000 7.0086
ADS-C WIND VECTOR DIFF (M/S) NMXX1TJA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=20.8290, expected range: 0.0344 4.9999
ADS-C WIND VECTOR DIFF (M/S) WSDQOORA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=21.2279, expected range: 0.0000 9.7420
ADS-C WIND VECTOR DIFF (M/S) XJ1UIEZA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=16.8016, expected range: 0.0000 8.3865
ADS-C WIND VECTOR DIFF (M/S) IHOICOZA PRESSURE LAYER 0-300 (HPA) : out of range
Severe: rms_fgdepar=19.3180, expected range: 0.0000 8.3968
prof
EUROPEAN WIND PROFILER VECTOR DIFF (M/S) 01405 PRESSURE LAYER 0-300 (H : out of range
Severe: avg_fgdepar=23.9779, expected range: -69.7026 92.7196
Severe: rms_fgdepar=23.9779, expected range: -68.6539 92.1534
Severe: avg_pge=0.8766, expected range: -1.6065 0.7500
pilot
LAND PILOT WIND VECTOR DIFF (M/S) 42701 PRESSURE LAYER 300-600 (HPA) : out of range
1 times in the last 10 days for at least one item
Severe: avg_fgdepar=22.3085, expected range: 4.3445 25.7054
Severe: rms_fgdepar=22.3085, expected range: 5.2814 25.1907
LAND PILOT WIND VECTOR DIFF (M/S) 42701 (2 pressure layers affected) : out of range
Severe: avg_pge=0.8364, expected range: 0.2762 0.7500
BUFR LAND PILOT WIND VECTOR DIFF (M/S) PRESSURE LAYER 0-300 (HPA) : missing
2 times in the last 10 days for at least one item
Severe: obs_number=0.0000, expected range: 19.0278 186.0492
All BUFR LAND PILOT ALL LAYERS North West Pacific : all data missing
Severe: obs_number=0, expected range: 19.03 186.05
synop
AUTOMATIC LAND SYNOP RH2M (%) 18156 : out of range
18 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=-51.4544, expected range: -77.2249 -16.2356
Severely_persistent: rms_fgdepar=51.4544, expected range: 16.6373 77.0581
Severely_persistent: avg_pge=0.9998, expected range: -0.6333 0.7500
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 41244 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.9020, expected range: -0.1630 0.7500
AUTOMATIC LAND SYNOP SURFACE PRESSURE (PA) 17928 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=533.2226, expected range: 0.0000 1287.3425
MANUAL LAND SYNOP Z (M) 67663 : out of range
Severe: rms_fgdepar=167.6193, expected range: 0.0000 39.4713
MANUAL LAND SYNOP RH2M (%) 40691 : out of range
Severe: rms_fgdepar=39.7265, expected range: 0.0000 18.7945
MANUAL LAND SYNOP RH2M (%) 63684 : out of range
Severe: rms_fgdepar=46.0205, expected range: -14.8998 22.3227
Severe: avg_pge=0.9998, expected range: 0.0007 0.0048
MANUAL LAND SYNOP RH2M (%) 60457 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8647, expected range: -1.2419 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 82690 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=333.5193, expected range: 0.0000 165.8682
Severe: avg_pge=0.8058, expected range: -1.1504 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 83522 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8029, expected range: 0.6647 0.7500
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 61075 : out of range
Severe: rms_fgdepar=372.0024, expected range: 0.0000 181.6364
MANUAL LAND SYNOP SURFACE PRESSURE (PA) 91339 : out of range
Severe: rms_fgdepar=357.3496, expected range: 0.0000 339.6533
Severe: avg_pge=0.8323, expected range: -1.0118 0.7500
BUFR LAND SYNOP RH2M (%) 03354 : out of range
Severe: rms_fgdepar=32.1150, expected range: 0.0000 14.7687
BUFR LAND SYNOP RH2M (%) 71636 : out of range
Severe: rms_fgdepar=34.0542, expected range: 0.0000 16.6741
BUFR LAND SYNOP SURFACE PRESSURE (PA) 42970 : out of range
Severe: avg_fgdepar=986.1296, expected range: -212.4479 311.0507
Severe: rms_fgdepar=986.1296, expected range: 25.3544 123.5316
Severe: avg_pge=0.9449, expected range: -0.8463 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 48921 : out of range
2 times in the last 10 days for at least one item
Severe: avg_pge=0.8699, expected range: -1.1146 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 42662 : out of range
2 times in the last 10 days for at least one item
Severe: avg_fgdepar=-1056.2610, expected range: -193.4967 189.2584
Severe: rms_fgdepar=1056.2610, expected range: 0.0000 164.9320
Severe: avg_pge=0.9501, expected range: -1.1943 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) 16219 : out of range
1 times in the last 10 days for at least one item
Severe: avg_pge=0.8232, expected range: -0.8128 0.7500
BUFR LAND SYNOP SURFACE PRESSURE (PA) : out of range
Severe: rms_fgdepar=195.2944, expected range: 45.6916 124.0664
ship
AUTOMATIC SHIP SURFACE PRESSURE (PA) : out of range
3 times in the last 10 days for at least one item
Severe: obs_number=184.0000, expected range: 771.6658 863.0401
BUFR SHIP SYNOP SURFACE PRESSURE (PA) ZCDN2 : out of range
Severe: avg_fgdepar=1034.3018, expected range: -175.5128 92.9143
Severe: rms_fgdepar=1034.3018, expected range: 0.0000 192.1670
Severe: avg_pge=0.9027, expected range: -0.5785 0.7244
BUFR SHIP SYNOP SURFACE PRESSURE (PA) ZCEF3 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=360.5936, expected range: 0.0000 199.1077
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V7524 : out of range
Severe: avg_pge=0.8073, expected range: -1.3129 0.7500
BUFR SHIP SYNOP SURFACE PRESSURE (PA) VRJU8 : out of range
Severe: avg_pge=0.8000, expected range: -0.5546 0.7365
BUFR SHIP SYNOP SURFACE PRESSURE (PA) 9V6949 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=714.6180, expected range: 0.0000 301.3891
buoy
DRIFTING BUOYS SURFACE PRESSURE (PA) 1501741 : out of range
19 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=547.6536, expected range: -2292.7525 1941.5531
Severely_persistent: rms_fgdepar=569.4206, expected range: 0.0000 1235.3577
Severely_persistent: avg_pge=0.8933, expected range: 0.2142 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 5401576 : out of range
Severe: avg_fgdepar=-655.8674, expected range: -1285.2700 209.1435
Severe: rms_fgdepar=664.4290, expected range: 2.9882 1185.0770
Severe: avg_pge=0.9083, expected range: 0.2911 0.7500
DRIFTING BUOYS SURFACE PRESSURE (PA) 4801707 : out of range
Severe: rms_fgdepar=452.4465, expected range: 0.0000 311.3180
Severe: avg_pge=0.9023, expected range: -0.3194 0.7500
snow
MANUAL LAND SYNOP SNOW (CM) 37552 : out of range
21 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=65.0000, expected range: 16.6023 96.5977
Severely_persistent: rms_fgdepar=65.0077, expected range: 19.6659 95.3499
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=-772.8368, expected range: -773.0704 -772.3618
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=772.8368, expected range: 772.3621 773.0703
t2m
BUFR LAND SYNOP 2M TEMPERATURE (K) 80010 : out of range
9 times in the last 10 days for at least one item
Severely_persistent: avg_fgdepar=17.4193, expected range: -4.6749 13.6359
Severely_persistent: rms_fgdepar=17.4193, expected range: 3.5495 13.9442
MANUAL LAND SYNOP 2M TEMPERATURE (K) 36953 : out of range
2 times in the last 10 days for at least one item
Severe: rms_fgdepar=12.5809, expected range: 0.0000 7.3227
MANUAL LAND SYNOP 2M TEMPERATURE (K) 87405 : out of range
Severe: avg_fgdepar=15.3189, expected range: -3.9868 7.0629
Severe: rms_fgdepar=15.3189, expected range: 0.0000 7.7175
MANUAL LAND SYNOP 2M TEMPERATURE (K) 82106 : out of range
Severe: avg_fgdepar=18.2297, expected range: -2.5433 3.5050
Severe: rms_fgdepar=18.2297, expected range: 0.0000 3.0311
MANUAL LAND SYNOP 2M TEMPERATURE (K) 61099 : out of range
1 times in the last 10 days for at least one item
Severe: rms_fgdepar=10.3691, expected range: 0.0000 3.8883
METAR 2M TEMPERATURE (K) KNHK : out of range
Severe: avg_fgdepar=-13.8018, expected range: -6.1156 5.3236
Severe: rms_fgdepar=13.8018, expected range: 0.0000 11.9529
BUFR LAND SYNOP 2M TEMPERATURE (K) 36953 : out of range
Severe: rms_fgdepar=12.5397, expected range: 0.0000 7.3242
BUFR LAND SYNOP 2M TEMPERATURE (K) 87405 : out of range
Severe: avg_fgdepar=15.2689, expected range: -1.8987 7.3175
Severe: rms_fgdepar=15.2689, expected range: 0.0000 10.3503
BUFR LAND SYNOP 2M TEMPERATURE (K) 82106 : out of range
Severe: avg_fgdepar=18.1619, expected range: -2.5710 3.3455
Severe: rms_fgdepar=18.1619, expected range: 0.0000 2.8693
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
Severe: avg_fgdepar=-15.8698, expected range: -21.5225 -14.5211
BUFR LAND SYNOP 2M TEMPERATURE (K) _MI158E9 : out of range
Severe: rms_fgdepar=15.9471, expected range: 14.5295 21.5357
BUFR LAND SYNOP 2M TEMPERATURE (K) : out of range
Severe: avg_lsm=0.8341, expected range: 0.9237 0.9607
rh2m
LAND TEMP RH2M (%) 71119 : out of range
Severe: rms_fgdepar=30.4660, expected range: 0.0000 16.1608
BUFR LAND SYNOP RH2M (%) : out of range
Severe: avg_lsm=0.8272, expected range: 0.8973 0.9715