SHADOW SEASON / D3 CONTEST RECEIPT

KATL · High ≥ 77°F

Atlanta, GA · 20261006 · 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	Oct 03 · 05:00 UTC
Observed day starts	Oct 06 · 05:00 UTC
Observed day ends	Oct 07 · 05:00 UTC
Unresolved contract voids	Oct 14 · 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 ICON

IFS Ensemble versus WeatherNext 2

Bye: IFS HRES. An eligible bye forecast still contributes to the common-case skill table.

Locked forecasts

0% · NO50%YES · 100%

90%

82%

68%

49%

47%

MODEL	PROBABILITY	INITIALIZED UTC	RECEIVED UTC	CAPTURED UTC
AIFS	68%	Oct 02 · 18:00 UTC	Oct 03 · 01:25 UTC	Oct 03 · 01:25 UTC
EPS	90%	Oct 02 · 00:00 UTC	Oct 02 · 10:56 UTC	Oct 02 · 10:56 UTC
HRES	49%	Oct 02 · 12:00 UTC	Oct 02 · 22:32 UTC	Oct 02 · 22:32 UTC
ICON	47%	Oct 02 · 12:00 UTC	Oct 02 · 17:00 UTC	Oct 02 · 17:00 UTC
WN2	82%	Oct 02 · 12:00 UTC	Oct 02 · 23:03 UTC	Oct 02 · 23:03 UTC

Positions & reserved credits

YES MODEL	NO MODEL	QUANTITY	YES PRICE	YES RESERVED AT ENTRY	NO RESERVED AT ENTRY	YES / NO REALIZED P&L
AIFS	ICON	57	0.57480	32.76	24.24	+24.24 / -24.24
EPS	WN2	25	0.85620	21.41	3.60	+3.60 / -3.60

The observation record

Finalized contract result: YES · 78°F · Oct 10 · 05:57 UTC

FIRST SEEN UTC	HIGH	SOURCE	OBSERVATION HOUR	TREATMENT
Oct 07 · 09:41 UTC	78°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:20261006:D3