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  <div class="pn" style="margin-top:14px"><h2 id="h3">Monthly champions 2026</h2><div class="mo" id="mo"></div></div>
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  <div class="pn" style="margin-top:14px"><h2>How it is scored</h2>
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  <p class="note">Every day each model's forecast is recorded for up to 10 days ahead. When the observed value for a day is published, every forecast made for that day is scored and the cumulative record is updated, once a day. A forecast issued N days earlier is compared with the ERA5 daily maximum 2 m temperature for the same UTC day at each city. Lower RMSE ranks higher. Models are compared on the same cases: days and cities where every listed model issued a forecast. Type shows how a model works: <b>AI</b> models learn the forecast from data, <b>Physics (Supercomputer)</b> models solve the equations of the atmosphere on supercomputers. ERA5 is published about five days after the fact, so the latest verification date trails today. Forecasts 1 to 7 days ahead are scored from 2026-01-01; forecasts 8 to 10 days ahead are archived from 2026-11-13 and enter the ranking as their target days are verified. <b>Darwin-Prediction-Weather</b> is VIDRAFT's fusion engine: local bias correction plus skill-weighted fusion of the public models, fitted only on days before the one being scored. It is shown alongside the ranking and is not ranked among the public models. In the 10-day outlook the fusion for days beyond the longest scored lead uses that lead's calibration.</p></div>
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- <footer>Full daily record since 2026-01-01 (every model forecast and the ERA5 value): <a href="https://huggingface.co/datasets/FINAL-Bench/Weather-Model-Forecast-Archive">Weather-Model-Forecast-Archive</a>. Weather data by <a href="https://open-meteo.com/">Open-Meteo.com</a> (CC BY 4.0). Verification: ERA5, Copernicus Climate Change Service. Model sources: ECMWF, NOAA NCEP, DWD, JMA, ECCC, MET Norway. Engine: <a href="https://huggingface.co/FINAL-Bench/Darwin-Prediction-Weather">Darwin-Prediction-Weather</a>.</footer>
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  </main><script>
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  const CITIES={"Seoul":[37.57,126.98],"Busan":[35.18,129.08],"Tokyo":[35.68,139.69],"Beijing":[39.90,116.40],"Singapore":[1.35,103.82],"Delhi":[28.61,77.21],"Dubai":[25.20,55.27],"Moscow":[55.76,37.62],"Berlin":[52.52,13.40],"London":[51.51,-0.13],"Paris":[48.86,2.35],"Madrid":[40.42,-3.70],"Cairo":[30.04,31.24],"Nairobi":[-1.29,36.82],"Johannesburg":[-26.20,28.05],"New York":[40.71,-74.01],"Chicago":[41.88,-87.63],"Los Angeles":[34.05,-118.24],"Mexico City":[19.43,-99.13],"Sao Paulo":[-23.55,-46.63],"Buenos Aires":[-34.60,-58.38],"Sydney":[-33.87,151.21],"Anchorage":[61.22,-149.90],"Reykjavik":[64.15,-21.94]};
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  const MODELS={"ecmwf_ifs025":["ECMWF IFS","ECMWF","Physics","eu","Europe","#5b8cff"],"ecmwf_aifs025_single":["ECMWF AIFS","ECMWF","AI","eu","Europe","#35d0ff"],"gfs_seamless":["GFS","NOAA NCEP","Physics","us","United States","#ff8a4c"],"ncep_aigfs025":["AIGFS","NOAA NCEP","AI","us","United States","#ffd166"],"icon_seamless":["ICON","DWD","Physics","de","Germany","#7be495"],"jma_seamless":["JMA GSM","JMA","Physics","jp","Japan","#ff6b9d"],"gem_seamless":["GEM","ECCC","Physics","ca","Canada","#c79bff"],"metno_seamless":["MET Nordic / IFS","MET Norway","Physics","no","Norway","#8fe3d0"]};
 
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  <div class="pn" style="margin-top:14px"><h2 id="h3">Monthly champions 2026</h2><div class="mo" id="mo"></div></div>
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  <div class="pn" style="margin-top:14px"><h2>How it is scored</h2>
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  <p class="note">Every day each model's forecast is recorded for up to 10 days ahead. When the observed value for a day is published, every forecast made for that day is scored and the cumulative record is updated, once a day. A forecast issued N days earlier is compared with the ERA5 daily maximum 2 m temperature for the same UTC day at each city. Lower RMSE ranks higher. Models are compared on the same cases: days and cities where every listed model issued a forecast. Type shows how a model works: <b>AI</b> models learn the forecast from data, <b>Physics (Supercomputer)</b> models solve the equations of the atmosphere on supercomputers. ERA5 is published about five days after the fact, so the latest verification date trails today. Forecasts 1 to 7 days ahead are scored from 2026-01-01; forecasts 8 to 10 days ahead are archived from 2026-11-13 and enter the ranking as their target days are verified. <b>Darwin-Prediction-Weather</b> is VIDRAFT's fusion engine: local bias correction plus skill-weighted fusion of the public models, fitted only on days before the one being scored. It is shown alongside the ranking and is not ranked among the public models. In the 10-day outlook the fusion for days beyond the longest scored lead uses that lead's calibration.</p></div>
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+ <footer>Full daily record since 2026-01-01 (every model forecast and the ERA5 value): <a href="https://huggingface.co/datasets/FINAL-Bench/Weather-Model-Forecast-Archive">Weather-Model-Forecast-Archive</a>. Weather data by <a href="https://open-meteo.com/">Open-Meteo.com</a> (CC BY 4.0). Verification: ERA5, Copernicus Climate Change Service. Model sources: ECMWF, NOAA NCEP, DWD, JMA, ECCC, MET Norway. Engine: <a href="https://huggingface.co/FINAL-Bench/Darwin-Prediction-Weather">Darwin-Prediction-Weather</a>. Contact: <a href="mailto:vidraft@mail.vidraft.net">vidraft@mail.vidraft.net</a></footer>
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  </main><script>
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  const CITIES={"Seoul":[37.57,126.98],"Busan":[35.18,129.08],"Tokyo":[35.68,139.69],"Beijing":[39.90,116.40],"Singapore":[1.35,103.82],"Delhi":[28.61,77.21],"Dubai":[25.20,55.27],"Moscow":[55.76,37.62],"Berlin":[52.52,13.40],"London":[51.51,-0.13],"Paris":[48.86,2.35],"Madrid":[40.42,-3.70],"Cairo":[30.04,31.24],"Nairobi":[-1.29,36.82],"Johannesburg":[-26.20,28.05],"New York":[40.71,-74.01],"Chicago":[41.88,-87.63],"Los Angeles":[34.05,-118.24],"Mexico City":[19.43,-99.13],"Sao Paulo":[-23.55,-46.63],"Buenos Aires":[-34.60,-58.38],"Sydney":[-33.87,151.21],"Anchorage":[61.22,-149.90],"Reykjavik":[64.15,-21.94]};
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  const MODELS={"ecmwf_ifs025":["ECMWF IFS","ECMWF","Physics","eu","Europe","#5b8cff"],"ecmwf_aifs025_single":["ECMWF AIFS","ECMWF","AI","eu","Europe","#35d0ff"],"gfs_seamless":["GFS","NOAA NCEP","Physics","us","United States","#ff8a4c"],"ncep_aigfs025":["AIGFS","NOAA NCEP","AI","us","United States","#ffd166"],"icon_seamless":["ICON","DWD","Physics","de","Germany","#7be495"],"jma_seamless":["JMA GSM","JMA","Physics","jp","Japan","#ff6b9d"],"gem_seamless":["GEM","ECCC","Physics","ca","Canada","#c79bff"],"metno_seamless":["MET Nordic / IFS","MET Norway","Physics","no","Norway","#8fe3d0"]};