Downloads · February initialization · FMAM and its months
Files and code
- Screening: all scores, per-year values, diagnostics and screening statistics (JSON)7.3 MB · SHA-256 a687a8b437bd…
- Per-cell scores and distribution ratios (NetCDF)4.0 MB · SHA-256 b43b2b59cadc…
- Confirmation: full-pipeline scores, selections and tests (JSON)3.5 MB · SHA-256 f7428bf3d807…
- Corrected forecast members of every method (NetCDF)18.7 MB · SHA-256 7f53db565787…
- Output manifest: SHA-256 of every screening output file (JSON)3 kB
- MVS ratio-limit study: screening (JSON)2.0 MB · SHA-256 4c91f25448b3…
- MVS ratio-limit study: confirmation (JSON)1.2 MB · SHA-256 2d3ffb5084da…
- Independent validation record: every method scored on the seasons after the benchmark (JSON)0.1 MB · SHA-256 7e8d1be1e676…
- Shadow forecast Feb 2026 (NetCDF; not published)42 kB
- Full write-up (docs/47) at commit 9f39792Definitions, design, all result tables and the references, as of the code that produced these results
- Code at commit 9f39792scripts/bias_methods.py (methods), scripts/bias_benchmark.py (screening), scripts/bias_confirmation.py (confirmation), config/bias_correction/feb_fmam.json (settings)
Run provenance
| Item | Fingerprint |
|---|---|
| Commit | 9f397927f5d4ddf2be3a1fa52595f34fc8fcb56a |
| Configuration | config/bias_correction/feb_fmam.json sha256 5e74d282f6e0f984… |
| Project configuration | config/fmam_feb/project.json sha256 9999e9e5e03f9599… |
| Masks | cells: 57ad8861c598abb9…; ethiopia: 57ad8861c598abb9…; fmam_domain: c386d127f7041ed6… |
| Inputs | Feb: 67 files, aa05fc058f64121f…; Mar: 67 files, 41b2c07eb813ed00…; Apr: 67 files, 7c29ca912e693cab…; May: 67 files, c590b53da737506d…; FMAM: 67 files, 6915035b5cc71c72… |
| Code | bias_methods.py 03b2fdd8a645…; bias_benchmark.py b2cbc2834937…; bias_confirmation.py f2fd9f9c0a73…; significance.py 3143761d5d20…; calibration_core.py f0635cc563e6…; compare_calibration.py 9aa137c9a026…; local_blend.py ada5c571fb77…; run_calibration.py 1f34e8fc92fd…; run_monthly.py dc13dfb54b78…; cycle.py 00e076fc93dc…; common.py 72b83f5c5300… |
| Scoring version | 3 |
| Software | Python 3.11.9, NumPy 1.26.4 |
References
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- Cannon, A. J., Sobie, S. R., & Murdock, T. Q. (2015). Bias correction of GCM precipitation by quantile mapping: how well do methods preserve changes in quantiles and extremes? Journal of Climate, 28, 6938–6959. doi:10.1175/JCLI-D-14-00754.1
- Delle Monache, L., Hacker, J. P., Zhou, Y., Deng, X., & Stull, R. B. (2006). Probabilistic aspects of meteorological and ozone regional ensemble forecasts. Journal of Geophysical Research: Atmospheres, 111, D24307. doi:10.1029/2005JD006917
- Ferro, C. A. T. (2014). Fair scores for ensemble forecasts. Quarterly Journal of the Royal Meteorological Society, 140, 1917–1923. doi:10.1002/qj.2270
- Gudmundsson, L., Bremnes, J. B., Haugen, J. E., & Engen-Skaugen, T. (2012). Technical Note: Downscaling RCM precipitation to the station scale using statistical transformations — a comparison of methods. Hydrology and Earth System Sciences, 16, 3383–3390. doi:10.5194/hess-16-3383-2012
- Hay, L. E., Wilby, R. L., & Leavesley, G. H. (2000). A comparison of delta change and downscaled GCM scenarios for three mountainous basins in the United States. JAWRA Journal of the American Water Resources Association, 36, 387–397. doi:10.1111/j.1752-1688.2000.tb04276.x
- Johnson, S. J., Stockdale, T. N., Ferranti, L., et al. (2019). SEAS5: the new ECMWF seasonal forecast system. Geoscientific Model Development, 12, 1087–1117. doi:10.5194/gmd-12-1087-2019
- Leander, R., & Buishand, T. A. (2007). Resampling of regional climate model output for the simulation of extreme river flows. Journal of Hydrology, 332, 487–496. doi:10.1016/j.jhydrol.2006.08.006
- Lenderink, G., Buishand, A., & van Deursen, W. (2007). Estimates of future discharges of the river Rhine using two scenario methodologies: direct versus delta approach. Hydrology and Earth System Sciences, 11, 1145–1159. doi:10.5194/hess-11-1145-2007
- Manzanas, R., Gutiérrez, J. M., Bhend, J., et al. (2019). Bias adjustment and ensemble recalibration methods for seasonal forecasting: a comprehensive intercomparison using the C3S dataset. Climate Dynamics, 53, 1287–1305. doi:10.1007/s00382-019-04640-4
- Michelangeli, P.-A., Vrac, M., & Loukos, H. (2009). Probabilistic downscaling approaches: application to wind cumulative distribution functions. Geophysical Research Letters, 36, L11708. doi:10.1029/2009GL038401
- Piani, C., Weedon, G. P., Best, M., et al. (2010). Statistical bias correction of global simulated daily precipitation and temperature for the application of hydrological models. Journal of Hydrology, 395, 199–215. doi:10.1016/j.jhydrol.2010.10.024
- Schmidli, J., Frei, C., & Vidale, P. L. (2006). Downscaling from GCM precipitation: a benchmark for dynamical and statistical downscaling methods. International Journal of Climatology, 26, 679–689. doi:10.1002/joc.1287
- Switanek, M. B., Troch, P. A., Castro, C. L., et al. (2017). Scaled distribution mapping: a bias correction method that preserves raw climate model projected changes. Hydrology and Earth System Sciences, 21, 2649–2666. doi:10.5194/hess-21-2649-2017
- Teutschbein, C., & Seibert, J. (2012). Bias correction of regional climate model simulations for hydrological climate-change impact studies: review and evaluation of different methods. Journal of Hydrology, 456–457, 12–29. doi:10.1016/j.jhydrol.2012.05.052
- Themeßl, M. J., Gobiet, A., & Leuprecht, A. (2011). Empirical-statistical downscaling and error correction of daily precipitation from regional climate models. International Journal of Climatology, 31, 1530–1544. doi:10.1002/joc.2168
- Torralba, V., Doblas-Reyes, F. J., MacLeod, D., Christel, I., & Davis, M. (2017). Seasonal climate prediction: a new source of information for the management of wind energy resources. Journal of Applied Meteorology and Climatology, 56, 1231–1247. doi:10.1175/JAMC-D-16-0204.1
- Vrac, M., Drobinski, P., Merlo, A., et al. (2012). Dynamical and statistical downscaling of the French Mediterranean climate: uncertainty assessment. Natural Hazards and Earth System Sciences, 12, 2769–2784. doi:10.5194/nhess-12-2769-2012