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17.09.2026 07:18 Age: 11 hrs

SWOT: Public release of the SWOT Level-3 Unsmoothed v3.0 product

Category: News of the Swot mission

SWOT Level-3 Unsmoothed (250 m resolution) fully reprocessed in version 3.0.

We are pleased to announce that the SWOT Level-3 Unsmoothed (250 m resolution) was fully reprocessed in version 3.0. The dataset is now available on AVISO and covers the entire mission from 28/03/2023 (cycle #474 CalVal) to 29/07/2026 (Cycle #53 Pass #583). 

This new version aligns the Unsmoothed content with the Level-3 Basic and Expert (2 km resolution) products released last Fall. The algorithms, standards, and calibration are now consistent across the products. The new Unsmoothed release also features a few algorithms that are specific to the 250-m resolution (e.g., sea-ice, rain rate...). Some Level-3 processing steps have been improved specifically for the Unsmoothed, namely valid data selection, calibration, and denoising (we think we fixed the main deficiencies of the previous version 2.0.1). Further details on these developments are described in this presentation and the SWOT Level-3 Product Handbook.

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