data api · USA

RAPID NRT Flood Maps

Near Real-time and archival data of High-resolution (10 m) flood inundation dataset over the Contiguous United States, developed based on the Sentinel-1 SAR imagery (2016-current) archive, using an automated Radar Produced Inundation Diary (RAPID) algorithm.

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What's in it

Data offered docs-verified: flood inundation extent maps (10 m) · near-real-time flood inundation maps · archival flood inundation maps
Coverage docs-verified: Contiguous United States · 2016-current
Resolution docs-verified: 10 m spatial
Update frequency docs-verified: Near-real-time as soon as SAR images are available and processed; archival data also available
Access docs-verified: Open anonymous S3 access (no AWS account required); licence CC BY-NC-SA 4.0 (non-commercial use only)

Useful for

Use cases llm-inferred: Post-event flood extent mapping for US client sites (Contiguous US only) · Historic inundation screening for US sites using 2016-onward archive maps · Independent flood extent layer for validating hydraulic model outputs over CONUS
Audience llm-inferred: flood consultants · hydrologists · GIS analysts

Limitations

Constraints llm-inferred: Contiguous United States only; no UK coverage · CC BY-NC-SA 4.0 licence restricts non-commercial use, so commercial consultancy use needs checking · Derived from Sentinel-1 SAR, so depends on SAR image availability and processing · Archive begins 2016 · Maintained by university groups; no stated service guarantee

Licence: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
Authentication: Unknown — review source docs
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 16/10/2026
Page health: page reachable
Package: Not recorded
Verification: Not independently verified

Provenance & evidence

Listed in aws-odr public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (aws-odr)