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24.10.2025 Ex-Hurricane Erin swell on the French coasts

CFOSat Swim (left), WAM model (middle) and Swot (right) wave spectra, overlaid on SWH; and CFOSat (Swim) and Swot nadir tracks. All the directions in the spectra are coherent (indicated by the position of the green-blue area, linked to the highest waves), as well as the wavelength of the swell (the closest from the center of the spectra, the longest the wavelength, with different scales observed depending on the instrument or model – Swotwavelength observability range is 500-1500 m). Credit CLS/Cnes/LOPS.

Swot and CFOSat observed the high swell from ex-hurricane Erin when it came close to European coasts. And their measurements enabled to build 2D ocean wave spectra, with their direction, period and amplitudes.

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01.10.2025 New version DT2024 of Finite Size Lyapunov Exponents product

Release of "Finite Size Lyapunov Exponents" (FSLE) product in version DT2024.

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01.10.2025 October 2025: Swot unveils how high ocean waves can be

 

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01.10.2025 Temporal extension of Experimental Multimission Gridded Sea Level Heights and Velocities with SWOT

The product "Experimental Multimission Gridded Level 4 Sea Level Heights and Velocities with SWOT using MIOST mapping method" has been extended until 2025/06/30.[more]

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19.09.2025 Transition of OSI SAF Sea-Ice Products from SSMIS to AMSR-2 Data

Following a planned discontinuation of SSMIS data provision in September 2026, and aligned with EUMETSAT recommendations, the CNES/CLS production teams have transitioned to using AMSR-2 data for OSI SAF sea-ice products,...

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01.09.2025 September 2025: (Sub)mesoscale helps in understanding oxygen concentration in the waters

Observation of small-scale processes and filamentation is important to better understand the distribution of biogeochemical properties and the stirring.

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11.08.2025 A third tsunami observed by Swot, due to Kamchatka earthquake

Map of simulation of Tsunami 1 h 10 min after earthquake, with Swot swath (left), model, Swot KaRIn and Swot nadir data over the satellite ground track (right). (Credits: A. Deniau & F. Nencioli for the Swot data processing & the plot, A. Ruiz-Angulo & C. de Marez for the wave propagation model)

Just over an 1 hour after the recent Kamchatka earthquake and subsequent tsunami, the Swot satellite overflew the area, measuring the tsunami wave front, an important addition to tsunami propagation models.

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