{
 "engine": "Darwin-Prediction-Weather",
 "version": "1.0",
 "grid": "240x121 (1.5 deg)",
 "lead_days": [
  1,
  3,
  5,
  7,
  10
 ],
 "inputs": [
  "GenCast ensemble mean",
  "IFS ENS mean",
  "GraphCast",
  "Pangu-Weather",
  "FuXi",
  "IFS HRES"
 ],
 "strategy_selected_on": "2018",
 "evaluated_on": "2020",
 "strategy_table": {
  "2m_temperature": {
   "1": "bias30_blend",
   "3": "bias30_blend",
   "5": "bias90_blend",
   "7": "bias90_blend",
   "10": "nobias_shrink"
  },
  "geopotential@500": {
   "1": "bias30_blend",
   "3": "nobias_blend",
   "5": "nobias_blend",
   "7": "nobias_blend",
   "10": "nobias_shrink"
  },
  "temperature@850": {
   "1": "nobias_shrink",
   "3": "nobias_shrink",
   "5": "nobias_blend",
   "7": "nobias_blend",
   "10": "nobias_shrink"
  }
 },
 "strategies": {
  "bias30_blend": "30-day gridpoint bias correction + inverse-MSE fusion",
  "bias90_blend": "90-day gridpoint bias correction + inverse-MSE fusion",
  "nobias_blend": "inverse-MSE fusion (30-day window)",
  "nobias_shrink": "inverse-MSE fusion shrunk 50% toward the best single input",
  "best_single": "best single input"
 },
 "language_core": "FINAL-Bench/Darwin-27B-ZTC-v9"
}