Derecho and Tornadoes

Name: Off-Nadir Delta
Author: Kazushi Motomura

Titles and summaries are AI-extracted from news reporting; every source is linked below. Event id 1318166928.

Where: Iowa, Indiana, OhioSomewhere in Iowa, Indiana, Ohio — an area about 537 km across. The coordinate is that area's centre, not the event site.
When: Occurrence date not stated by reporting
Sourcing: 1 articlesverification: reported
Satellite observability: observableRadar coverage

What imagery could confirm

damaged structures ~10m at Iowa, Indiana, Ohio

What remains unresolved

coordinate_not_search_ready
generic_region_coordinate
quality_not_passed
geo_not_ready

Sources

Tuesday’s storm confirmed as derecho; three tornadoes in Delaware County in Iowa2026-08-13

Related events

Mom calling contestHappened at this location 10 d after this event. Order in time only — it is not established as a consequence. · 2026-08-23
Severe Weather and Torrential Rains in IowaHappened at this location 8 d before this event. Order in time only — no causal link is claimed. · 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/1318166928/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.