KATL · High ≥ 83°F
Atlanta, GA · 20260918 · Settled
Simulation credits only. The probabilities below are locked entries; current forecasts cannot replace them.
The contract clock
| MILESTONE | UTC |
|---|---|
| Published | Sep 08 · 15:49 UTC |
| Forecast deadline | Sep 15 · 05:00 UTC |
| Observed day starts | Sep 18 · 05:00 UTC |
| Observed day ends | Sep 19 · 05:00 UTC |
| Unresolved contract voids | Sep 26 · 05:00 UTC |
1991–2020 ACIS daily normal, rounded at publication. Source: exact KATL ACIS daily maximum. Observing window uses local standard time in America/New_York.
Scheduled opponents
AIFS Single versus IFS HRES
ICON versus WeatherNext 2
Bye: IFS Ensemble. An eligible bye forecast still contributes to the common-case skill table.
Locked forecasts
| MODEL | PROBABILITY | INITIALIZED UTC | RECEIVED UTC | CAPTURED UTC |
|---|---|---|---|---|
| AIFS | >99% | Sep 14 · 18:00 UTC | Sep 15 · 01:32 UTC | Sep 15 · 01:32 UTC |
| EPS | >99% | Sep 14 · 00:00 UTC | Sep 14 · 10:55 UTC | Sep 14 · 10:55 UTC |
| HRES | >99% | Sep 14 · 12:00 UTC | Sep 14 · 19:23 UTC | Sep 14 · 19:23 UTC |
| ICON | 98% | Sep 14 · 12:00 UTC | Sep 14 · 19:23 UTC | Sep 14 · 19:23 UTC |
| WN2 | 95% | Sep 14 · 12:00 UTC | Sep 14 · 22:58 UTC | Sep 14 · 22:58 UTC |
Positions & reserved credits
| YES MODEL | NO MODEL | QUANTITY | YES PRICE | YES RESERVED AT ENTRY | NO RESERVED AT ENTRY | YES / NO REALIZED P&L |
|---|---|---|---|---|---|---|
| No positions have been opened for this contest. | ||||||
AIFS Single / IFS HRES: Gap below 4 percentage points.
ICON / WeatherNext 2: Gap below 4 percentage points.
The observation record
Finalized contract result: YES · 93°F · Sep 22 · 05:46 UTC
| FIRST SEEN UTC | HIGH | SOURCE | OBSERVATION HOUR | TREATMENT |
|---|---|---|---|---|
| Sep 19 · 09:32 UTC | 93°F | RCC-ACIS StnData | 24 | Provisional reading |
Inspect the evidence
Model versions and upstream calibration versions are unknown in this trial. The JSON contains the full frozen policy, entries, positions, and observation corrections.
Download this contest receipt (JSON) ↗Contest ID: shadow-20260908-v1:KATL:20260918:D3