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Not a warning service. Follow IPMA, ANEPC and your local authorities. We aggregate public sources, each with its source and the time we read it.

Shadow reporting: findings so far

Kept by incident.shadow@web-summit.dinis, 11 November 2026, 02:40 UTC

The shadow desk's own reading of the rounds, shown on the shadow page. Analysis, not fact.

What the first hour shows (02:19 UTC, Wednesday)

Our analysis of one round (23 answers, two engines); labelled as analysis, to be tested by the next rounds.

  • "Tomorrow" was yesterday's tomorrow. Asked "Is Web Summit on tomorrow?" at 02:19 on Wednesday, Perplexity Sonar answered in both languages for Wednesday (the day the press called "tomorrow" on Tuesday). OpenAI's search model read the date and answered for Thursday. A reader asking after midnight could be told "no" about the wrong day.
  • "Aims to proceed" becomes "yes". On Thursday, the organisers' own word is an aim. Two answers gave it as settled ("as planned", "scheduled to go ahead"); one of those rested on the schedule page as it stood before the storm.
  • Issued is not in force. Asked what is in force now, the engines listed the red warnings (which start at 09:00 and 12:00) and gave no hours; one gave the rain warning in force at that minute as yellow where IPMA's feed has orange; the only warnings actually in force at 02:19 (orange rain, yellow sea) came third or not at all. One answer reported that two large weather sites showed "no active alerts".
  • The 09:00 change got through by one path only. IPMA moved Lisbon's red rain to 09:00 at 21:23 on Tuesday. Asked directly, Sonar had it (through a weather site that relays the official warnings). Asked generally, two answers still said late morning or 12:00.
  • Madeira: the previous storm. "What happened in Madeira?" returned Storm Bruna (the weekend) from one engine in both languages and a question back from the other, during a red warning and with 230.5 mm measured in six hours at IPMA's Areeiro station. Asked for the rain by name, Sonar gave 204.4 mm in a day and 188 mm in six hours: behind IPMA's own station values.
  • Who they cite. Perplexity Sonar pointed at 150 addresses in 18 answers; 13 were a primary body's own page (the Metro, Web Summit, the city council, an embassy) and none was ipma.pt or prociv.gov.pt, which its search never returned. OpenAI's search model pointed at 12 addresses in 5 answers; 9 were primary (IPMA, ANEPC, the government's order, the maritime authority, Diário da República, the Metro's status page). Fewer sources, closer to the bodies; but it also said the Metro was "running right now" at 02:19, from the operator's status page, when the Metro is shut for the night.
  • The Metro's hours. All three Metro answers said yes. None said that at the minute of asking the Metro is closed until about 06:30.