Tornadoes in Chicago’s south suburbs

Name: Off-Nadir Delta
Author: Kazushi Motomura

Titles and summaries are AI-extracted from news reporting; every source is linked below. Event id 1318655527.

Where: Chicago, IllinoisA specific location in Chicago, Illinois, accurate to roughly 5000 m.41.876, -87.624
When: Occurrence date not stated by reportingFirst reported 2026-08-17
Sourcing: 1 articles1 outlet carrying it · independence not establishedverification: reported
Satellite observability: observableRadar coverage

What imagery could confirm

flood water extent at Chicago, Illinois

What remains unresolved

coordinate_not_search_ready
geo_not_ready

Timeline

2026-08-22baselineTracking started for this event; earlier history is not recorded.

Sources

At least 6 tornadoes confirmed in Chicago’s south suburbs after Tuesday’s storms2026-08-17

Related events

Power Outages in Gary, Ind.Happened at this location 7 d after this event. Order in time only — it is not established as a consequence. · 2026-08-24
Drone Blitz and Missile AttackHappened at this location 1 d after this event. Order in time only — it is not established as a consequence. · 2026-08-18
Tornadoes in Chicago’s south suburbsHappened at this location 4 d before this event. Order in time only — no causal link is claimed. · 2026-08-13
Severe storm affecting northwest IndianaHappened at this location 6 d before this event. Order in time only — no causal link is claimed. · 2026-08-11
Grateful Dead Festivals and Tribute ActsHappened at this location 10 d before this event. Order in time only — no causal link is claimed. · 2026-08-07
Walworth Co. crashReported 98 km away and 3 d after. No established relationship beyond proximity. · 2026-08-20
Fall Education Offerings RegistrationReported 62 km away and 12 d after. No established relationship beyond proximity. · 2026-08-05

Open on the Watchfloor Ask Delta Agent

Reproduce over the API (free endpoint)

bash

curl "https://offnadir-delta.com/api/v1/events/1318655527/thread" \
  -H "Authorization: Bearer ond_YOUR_API_KEY"

For situational awareness only — not for tracking or targeting individuals. Every claim above links to its reporting; satellite fields are the same values the API serves.