GribStream El Nino 2026 forecast audit
Evidence cutoff: 2026-10-15.
Tables, exact requests, local SHA256 hashes and analysis summary.
The large raw CFS CSV files and source snapshots are in the separate full evidence package.
Requests use UTC run times; minHorizon/maxHorizon are integer hours.
Scores use four-cycle means, the ERSSTv6 1991-2020 baseline and all 33 verified issue/target pairs.
Figures 1-5 audit raw forecasts, not calibrated CPC operational outlooks.
