Info EUMETSAT - Message from Eumetsat User Notification Service

This service is currently under investigation following an outage exceeding 24 hours.

Timing of discontinuation of the Metop ASCAT Soil Moisture products currently generated at the EUMETSAT Central Facility is now Q2 2025 (exact date to be announced in due course).

Date changed to 4 June 2025.

Discontinuation of OSI SAF Medium Resolution Sea Ice Drift product. For more details, see the link provided below.

Sentinel-6 RO mission to be extended with Galileo occultations. For full details, see the link provided below.

H SAF will update four of their precipitation products (H60B, H61B, H63 and H90). For more details, see the link to the H SAF announcement provided below.

NOAA has planned a quarterly Guide Telescope Calibration for the GOES-19 space weather SUVI instrument. A EXIS and SUVI product outage can be expected in the given timeframe.

NOAA has planned a quarterly Cruciform Scan calibration for the GOES-19 space weather EXIS instrument. A EXIS and SUVI product outage can be expected in the given timeframe.

NOAA has planned a quarterly FOV Mapping calibration for the GOES-19 space weather EXIS instrument. A EXIS and SUVI product outage can be expected in the given timeframe.

Addition of Spire satellites FM208, FM233, FM235 and FM236 to the Commercial Radio Occultation delivery stream.

Due to ground segment maintenance, there is a risk of interruption for the UNS (User Notification Service) tool.

The GSICS service will be relocated to a new server. During this time, the data might be delayed due to the necessary migration activities.

SEM MEPED in flight calibration.

SEM MEPED in flight calibration.

A GOES-18 ABI solar calibration scan is planned on 28 April 2025. Between 15:10 and 15:15 UTC GOES-18 ABI will operate in continuous Full Disk Mode (mode 4) instead of 10-minute Flex Mode (mode 6). Filenames will change to reflect the mode 4 operations, e.g.: OR_ABI-L1b-RadF-M4C01_G18_s20251181510[SSS]_e20251181515[SSS]_c202511815[mmssSSS]-136002_0.nc. ABI 10-minute Flex Mode (Mode 6) will resume at 15:20 UTC.

Gain Compression

Subject corrected.

Starting 25/04/2025, S3A will start performing SRAL external calibrations over the following corner reflectors in every repeat cycle going forward. The calibrations take place as follows: •ALX1 (lat 35.302764, lon 24.298375) and ALX2 (lat 35.302314, lon 24.297775) in RON 334 •Cerdanya (lat 42.416662, lon 1.838113) in RON 356 •Mars Desert Research Station (lat 38.40659, lon -110.792208) in RON 332 •Calern (lat 43.7547, lon 6.9357) in RON 313 •CRA9 (lat 42.946322, lon 1.417885) in RON 335 Note: The relative orbit numbers (RON) are given in the convention [0-384].

Data from the Arctic Weather Satellite (AWS) mission are now available on EUMETCast Terrestrial and the Data Store. For full details, see the link provided below.

NOAA-21 VIIRS SST data available on EUMETCast Terrestrial. For full details, see the link provided below.

Starting 17/04/2025, S3B will start performing SRAL external calibrations over the following corner reflectors in every repeat cycle going forward. The calibrations take place as follows: •ALX1 (lat 35.302764, lon 24.298375) and ALX2 (lat 35.302314, lon 24.297775) in RON 70 •Cerdanya (lat 42.416662, lon 1.838113) in RON 7 •Mars Desert Research Station (lat 38.40659, lon -110.792208) in RON 154 •Calern (lat 43.7547, lon 6.9357) in RON 292 Note: The relative orbit numbers (RON) are given in the convention [0-384].

Meteosat-12 data will be available on HVS-3 as test dissemination until the end of September 2025.

During future OLCI Lunar Calibrations for both Sentinel-3A and Sentinel-3B starting on 26/01/2024, a new SRAL calibration sequence will be executed. This will involve a long-duration (~10 mins) CAL1 SAR observation, followed by a CAL2 observation and another long-duration CAL1 SAR observation. This will be executed during the SRAL outage periods associated with the Lunar Calibration manoeuvres, so no additional outage will be introduced.

Updated end time.

Change to the URL link.

Starting 14/02/2023 20:35:57 S3A will start performing SRAL external calibrations over a transponder in Leonessa, Italy. To conduct this transponder pass, the on-board Digital Elevation Model (DEM) altitude value must be temporarily updated in RAM, and is reverted immediately after the pass. A short outage immediately before and after the pass will be introduced, and data should be considered degraded as per non-nominal acquisition mode, for a total duration of approx.28 seconds over the transponder location (42.61607° N, 13.03780° E) for all relative orbits number (RON) 270 from cycle 95 (inclusive) onwards

Starting 02/02/2023 10:28:30 S3B will start performing SRAL external calibrations over a corner reflector site in Spain. To conduct this pass, the on-board Digital Elevation Model (DEM) altitude value must be temporarily updated in RAM, and is reverted immediately after the pass. A short outage immediately before and after the pass will be introduced, and data should be considered degraded as per non-nominal acquisition mode, for a total duration of approx.26 seconds over the transponder location (42.052°N, 0.7300° E) for all relative orbits number (RON) 335 - from cycle 75 (inclusive) onwards

Starting 31/01/2023 09:39:49 S3B will start performing SRAL external calibrations over a transponder site in Leonessa. To conduct this transponder pass, the on-board Digital Elevation Model (DEM) altitude value must be temporarily updated in RAM, and is reverted immediately after the pass. A short outage immediately before and after the pass will be introduced, and data should be considered degraded as per non-nominal acquisition mode, for a total duration of approx.27 seconds over the transponder location (42.61607° N, 13.03780° E) for all relative orbits number (RON) 306 - from cycle 75 (inclusive) onwards.