Off-Nadir Delta

Heavy rainfall causes widespread flooding across Bangkok and 40+ Thai provinces

Titles and summaries are AI-extracted from news reporting; every source is linked below. Event id 7149aa4a-08ab-4357-83e2-d6552225acc0.

Where
Suvarnabhumi Airportresolved to facility13.682, 100.749
When
Occurrence date not stated by reportingFirst reported 2026-09-25 · last update 2026-10-02
Sourcing
127 reports127 reports across 73 outlets · independence not established
How far this got
pinpointedlocated to facilityRadar coverage

Summary

Heavy rainfall beginning September 26, 2026, caused severe flooding in Bangkok and surrounding provinces. Rainfall totals ranged from approximately 300-330mm over 2-3 days. Reports differ on casualty figures: one source reports 23 deaths, another reports 2 deaths in Bangkok and at least 10 nationwide, while a third cites at least 8 deaths. Displacement and affected populations also vary across accounts: approximately 980-4,900 people were evacuated to shelters, with 52,000-700,000 households affected across the region. Estimated damage reached $320 million. The flooding overwhelmed Bangkok's drainage infrastructure rather than river overflow, with the Chao Phraya River remaining below flood stage. The Thai government declared special holidays in four provinces (Bangkok, Nonthaburi, Pathum Thani, and Samut Prakan) on September 28-29, approved over $119 million in emergency funding, and announced an $4.8 billion eight-year drainage improvement project. Operations at Suvarnabhumi Airport were disrupted, and Siam Amazing Park closed for six months. Authorities worked to pump water from canals and streets while warning against panic-buying and price gouging.

What imagery could confirm

Which satellite to use, what to look for and why, and whether post-event imagery has been found. Part of the event detail on Pro.

What remains unresolved

  • located to facility

Timeline

117 recorded change(s). The ledger starts when this event was first folded: the initial observation is not recorded as a change, so an empty timeline means nothing has moved since, not that nothing is known.

  • 2026-10-02member countour measurement126 → 127reports joined

20 more change(s) — the values are part of the event detail on paid plans. 79 change(s) before the history shown here.

Sources

Grouped by outlet. Syndication is not collapsed, so several outlets can carry one wire story — the count is breadth of carriage, not independent confirmation.

127 reports in all; the full list with the facts taken from each is part of the event detail on Pro.

Related events

7 related event(s) and 14 place(s) or facilities — the same facility, place, actor or campaign. Part of the event detail on Pro.

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Reproduce over the API (free endpoint)

bash
curl "https://offnadir-delta.com/api/v1/events/7149aa4a-08ab-4357-83e2-d6552225acc0/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.