Grand Canyon Flash Flood

Name: Off-Nadir Delta
Author: Kazushi Motomura

Titles and summaries are AI-extracted from news reporting; every source is linked below. Event id 1320691420.

Where: Grand Canyon, ArizonaA specific location in Grand Canyon, Arizona, accurate to roughly 500 m.36.098, -112.096
When: Occurred 2026-08-29basis: stated_in_articleFirst reported 2026-08-31
Sourcing: 3 articles3 independent source familiesverification: independently_confirmed
Satellite observability: observableRadar coverage

What imagery could confirm

flood water extent at Grand Canyon, Arizona

Timeline

2026-08-31new_eventA new event has been reported.
2026-08-31severity_escalatedAssessed severity rose from 6 to 7.
2026-08-31corroboration_increasedThis event is now carried by independent sources, not one.
2026-08-31attribution_statedThis event is now attributed to National Park Service.
2026-08-31occurrence_time_establishedWhen this event happened is now known, separately from when it was reported.
2026-08-31corroboration_increasedIndependent sources rose from 2 to 3.

Sources

Open on the Watchfloor Ask Delta Agent

Reproduce over the API (free endpoint)

bash

curl "https://offnadir-delta.com/api/v1/events/1320691420/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.