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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Korean Climate Data Navigator — Notices</title><link>https://data4researchers.kr/en/notices/</link><description>Discontinuation, change and quality notices for climate datasets</description><language>en</language><atom:link href="https://data4researchers.kr/en/feed.xml" rel="self" type="application/rss+xml"/><item><title>[Copernicus-GlobColour] (Scheduled) November 2026 version update — new OC5 coefficients, carbon (POC, DOC) datasets, script changes needed</title><link>https://data4researchers.kr/en/datasets/globcolour/</link><guid isPermaLink="false">globcolour|2026-11|127|(Scheduled) November 2026 version update — new OC5 coefficie</guid><pubDate>Tue, 24 Nov 2026 00:00:00 +0000</pubDate><category>Warning</category><description>Multi-sensor chlorophyll, transparency and primary production will be reprocessed with updated OC5 coefficients, the OLCI-era PFT series improved with the GLOPHYTS algorithm, and new carbon ("car") datasets (POC, DOC) and a multi-sensor L3 chlorophyll gradient variable added. Copernicus Marine says data-handling scripts must be updated; the NRT double-dissemination period is 2026-11-03 to 2027-01-12.</description></item><item><title>[CryoSat-2] Update of Dynamic Sea Ice Concentration auxiliary data source in CryoSat Level-2 Ice products</title><link>https://data4researchers.kr/en/datasets/cryosat2-sit/</link><guid isPermaLink="false">cryosat2-sit|2026-11-02|55|Update of Dynamic Sea Ice Concentration auxiliary data sourc</guid><pubDate>Mon, 02 Nov 2026 00:00:00 +0000</pubDate><category>Info</category><description>The input to Dynamic Sea Ice Concentration auxiliary files has been updated to the OSI SAF AMSR3 sea ice concentration product (OSI-408-g), as OSI SAF is phasing out the AMSR2 product (OSI-408-a). AMSR3 products are used from 19 October 2026 onwards for L2 and L2I NRT and Offline SAR and SARIn products and Consolidated Level 2 GDR products. No impact to product quality is foreseen.</description></item><item><title>[ESA SST CCI CDR v3] (Planned) Update product to extend dataset ESACCI-GLO-SST-L4-REP-OBS-SST</title><link>https://data4researchers.kr/en/datasets/esa-cci-sst/</link><guid isPermaLink="false">esa-cci-sst|2026-11|45|(Planned) Update product to extend dataset ESACCI-GLO-SST-L4</guid><pubDate>Sun, 01 Nov 2026 00:00:00 +0000</pubDate><category>Info</category><description>Copernicus Marine plans to broker version 3 of the C3S/UKMCAS Interim Climate Data Record, extending the CCI SST CDR beyond 2021 with a latency of about two to four weeks. Because C3S manages the publication schedule, the November 2026 release may be adjusted.</description></item><item><title>[CS3SMOS] CS3SMOS near real-time sea ice thickness processing starts for the Arctic 2026/27 winter season (7-day delay)</title><link>https://data4researchers.kr/en/datasets/cs3smos/</link><guid isPermaLink="false">cs3smos|2026-10-30|56|CS3SMOS near real-time sea ice thickness processing starts f</guid><pubDate>Fri, 30 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>AWI: operational processing of the Level-4 CryoSat-2/Sentinel-3/SMOS (CS3SMOS) sea ice thickness product starts for the Arctic 2026/27 winter season with a short delay of 7 days after a gap of missing input data (OSI SAF Service Message: Missing AMSR3 data). The first sea ice thickness field covers October 15 to October 22, 2026. Check Copernicus Marine notifications separately for the redistributed SEAICE_GLO_PHY_L4_NRT_011_014 product.</description></item><item><title>[VIIRS — 9 datasets] VIIRS Processing Delay</title><link>https://data4researchers.kr/en/notices/</link><guid isPermaLink="false">viirs-lai|2026-10-30|72|VIIRS Processing Delay</guid><pubDate>Fri, 30 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>Gaps in Level 0 Suomi-NPP, NOAA-20, and NOAA-21 VIIRS data on October 27, 2026, are causing a delay in processing data products further downstream. The science team is working to fill the gaps. Resolution: TBD.</description></item><item><title>[VIIRS — 9 datasets] Update #3: Cessation of S-NPP data to users on November 02, 2026 1540 UTC and decommissioning</title><link>https://data4researchers.kr/en/notices/</link><guid isPermaLink="false">viirs-lai|2026-10-30|72|Update #3: Cessation of S-NPP data to users on November 02, </guid><pubDate>Fri, 30 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>NOAA NESDIS Update #3 (issued October 30, 2026 1400 UTC): delivery of Suomi National Polar-orbiting Partnership (S-NPP) data to users will cease on November 02, 2026 15:40 UTC (previously 13:00 UTC) for ATMS, CERES, OMPS Nadir and Limb, VIIRS and HRD Direct Broadcast; the outage is permanent. Starting December 1st 2026, S-NPP will be lowered incrementally through approximately December 12th for reentry over the South Pacific Ocean. Users should transition to NOAA-21 (primary) and NOAA-20 (secondary) products.</description></item><item><title>[CS3SMOS] [ICE-817] SEAICE_GLO_PHY_L4_NRT - delayed north production start</title><link>https://data4researchers.kr/en/datasets/cs3smos/</link><guid isPermaLink="false">cs3smos|2026-10-29|56|[ICE-817] SEAICE_GLO_PHY_L4_NRT - delayed north production s</guid><pubDate>Thu, 29 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>Due to an outage of upstream data dissemination (AMSR2 and AMSR3 from JAXA), the start of the production of SEAICE_GLO_PHY_L4_NRT_011_014 for the northern hemisphere, expected to take place on 2026-10-24, is delayed. Copernicus Marine lists the issue as in progress; no restart date has been announced yet.</description></item><item><title>[ICESat-2] User Notice: ATL07 and ATL10 "Quick Look" data outage (since 22 October 2026)</title><link>https://data4researchers.kr/en/datasets/icesat2-sit/</link><guid isPermaLink="false">icesat2-sit|2026-10-29|58|User Notice: ATL07 and ATL10 "Quick Look" data outage (since</guid><pubDate>Thu, 29 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>The fast-tracked latency Quick Look data sets ATL07QL and ATL10QL have been experiencing a data outage since 22 October 2026, because maintenance of a distribution portal for an upstream dataset delayed their processing. That maintenance has been completed and NSIDC expects distribution to resume soon (no date given). The notice does not mention the standard ATL07 and ATL10 products.</description></item><item><title>[GSMaP] System Maintenance — processing of GPM images and products will be delayed (Nov. 4, 2026, 01:30–06:30 UTC)</title><link>https://data4researchers.kr/en/datasets/gsmap/</link><guid isPermaLink="false">gsmap|2026-10-28|92|System Maintenance — processing of GPM images and products w</guid><pubDate>Wed, 28 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>JAXA EORC: processing of GPM images and products will be delayed or unavailable during the following period: Nov. 4, 2026, 01:30–06:30 UTC (Delay).</description></item><item><title>[TROPOMI] Discontinuation of S-NPP VIIRS data availability — Sentinel-5P TROPOMI L2_NP* products no longer generated after 2 November 2026 13:00 UTC</title><link>https://data4researchers.kr/en/datasets/tropomi/</link><guid isPermaLink="false">tropomi|2026-10-26|115|Discontinuation of S-NPP VIIRS data availability — Sentinel-</guid><pubDate>Mon, 26 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>Following NOAA's announcement, S-NPP VIIRS data will no longer be available after 2 November 2026 at 13:00 UTC. Sentinel-5P TROPOMI L2_NP* products (L2__NP_BD3, BD6, BD7), which depend on S-NPP VIIRS, will no longer be generated for data acquired after that time. The data quality of the Sentinel-5P Level-2 science products is not affected; the removal of the VIIRS dependency started with the November 2025 release (NL-L2 2.9.0, UPAS 2.8.0) and will be completed with the November 2026 release (NL-L2 3.0.0, UPAS 3.0.1).</description></item><item><title>[CERES — 2 datasets] The CERES website will be unavailable 3:00 PM, Friday, 10/23/2026 to 5:00 PM, Monday, 10/26/2026 due to maintenance</title><link>https://data4researchers.kr/en/notices/</link><guid isPermaLink="false">ceres-ebaf|2026-10-23|28|The CERES website will be unavailable 3:00 PM, Friday, 10/23</guid><pubDate>Fri, 23 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>NOTICE on the CERES data page: the CERES website will be unavailable 3:00 PM, Friday, 10/23/2026 to 5:00 PM, Monday, 10/26/2026 due to maintenance.</description></item><item><title>[OSI SAF (sea ice concentration)] Missing AMSR3 products (update, Service Message</title><link>https://data4researchers.kr/en/datasets/osisaf-sic/</link><guid isPermaLink="false">osisaf-sic|2026-10-23|53|Missing AMSR3 products (update, Service Message</guid><pubDate>Fri, 23 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>In relation to the previous message #3605, OSI SAF is not yet receiving input data from the originating centre, and the timeline at this moment is unknown. AMSR3-based sea-ice products may therefore remain missing after 23 October 2026.</description></item><item><title>[Sea Ice Index] AMSR2 data currently unavailable due to the data provider's system maintenance — sea ice data processing affected</title><link>https://data4researchers.kr/en/datasets/sea-ice-index/</link><guid isPermaLink="false">sea-ice-index|2026-10-23|62|AMSR2 data currently unavailable due to the data provider's </guid><pubDate>Fri, 23 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>Due to the data provider's system maintenance, data from the Advanced Microwave Scanning Radiometer 2 (AMSR2) satellite is currently unavailable, thus impacting the processing of sea ice data. Processing is expected to resume as soon as system maintenance ends.</description></item><item><title>[SMAP (L3·L4)] Data set updates: SMAP Level-4 — new minor version for data beginning 1 August 2023 (Science Version IDs Vv8012, Vv8013)</title><link>https://data4researchers.kr/en/datasets/smap/</link><guid isPermaLink="false">smap|2026-10-23|68|Data set updates: SMAP Level-4 — new minor version for data </guid><pubDate>Fri, 23 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>The SMAP Level-4 Version 8 data sets at the NSIDC DAAC (SPL4SMAU, SPL4SMGP, SPL4SMLM, SPL4CMDL) have been updated to a new minor version for data beginning 1 August 2023, including improvements to L1C_TB quality control, IMERG late inputs, and a geolocation issue fix (14 May 2026 to 28 July 2026). These changes are reflected in updated Science Version IDs (Vv8012, Vv8013); see the SMAP Version History page for details.</description></item><item><title>[ERA5 and 1 more] Data Stores Service protection measures affecting data downloads and account access (CDS/ADS/EWDS/ECDS)</title><link>https://data4researchers.kr/en/notices/</link><guid isPermaLink="false">era5|2026-10-22|0|Data Stores Service protection measures affecting data downl</guid><pubDate>Thu, 22 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>ECMWF detected suspicious and abusive activity originating from certain public domains and is adding protections across the CDS, ADS, EWDS and ECDS. Users flagged as potentially non-compliant may have their access temporarily suspended while it is reviewed, and repeated invalid requests may result in the account being disabled. Users are asked to submit requests sequentially rather than in parallel or in large batches, to submit only valid requests, to keep profile information accurate and to register with an institutional email address where possible.</description></item><item><title>[GOSAT (GOSAT-2·GOSAT-GW)] GOSAT-GW TANSO-3 Product Archive (G3PA) service suspended for system maintenance (06:00 UTC 22 October – 08:00 UTC 29 October 2026)</title><link>https://data4researchers.kr/en/datasets/gosat/</link><guid isPermaLink="false">gosat|2026-10-22|117|GOSAT-GW TANSO-3 Product Archive (G3PA) service suspended fo</guid><pubDate>Thu, 22 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>The GOSAT-GW TANSO-3 Product Archive (G3PA) service has been suspended due to system maintenance. Downtime period: 6:00 AM on Thursday, October 22, 2026 to 8:00 AM on Thursday, October 29, 2026 (UTC).</description></item><item><title>[MERRA-2 and 3 more] Ingest &amp; Archive Migration to interrupt GES DISC data ingestion (Oct. 28-30)</title><link>https://data4researchers.kr/en/notices/</link><guid isPermaLink="false">merra2|2026-10-21|3|Ingest &amp; Archive Migration to interrupt GES DISC data ingest</guid><pubDate>Wed, 21 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>As part of NASA's planned Consolidated Ingest and Archive (I&amp;A) system migration, GES DISC will experience temporary interruptions to new data ingestion and availability from October 28, 5:00 p.m. to October 30, 9:00 a.m. ET. Existing data search and download services are expected to remain operational. New data ingestion will resume and newly ingested data will become available once migration is complete.</description></item><item><title>[TROPOMI] Copernicus Sentinel-5P OFFL HCHO and SO2 v2.8.0 products reprocessed — now available on CDSE (22 November–2 December 2025, orbits 42023–42173)</title><link>https://data4researchers.kr/en/datasets/tropomi/</link><guid isPermaLink="false">tropomi|2026-10-21|115|Copernicus Sentinel-5P OFFL HCHO and SO2 v2.8.0 products rep</guid><pubDate>Wed, 21 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>The affected OFFL products, mainly Formaldehyde (HCHO) v2.8.0 and to a lesser extent Sulphur Dioxide (SO2) v2.8.0, have been successfully reprocessed for the period 22 November to 2 December 2025 (orbits 42023–42173) and are available for download from the Copernicus Data Space Ecosystem.</description></item><item><title>[OSI SAF (sea ice concentration)] Missing AMSR3 products (19 to 23 October 2026, Service Message</title><link>https://data4researchers.kr/en/datasets/osisaf-sic/</link><guid isPermaLink="false">osisaf-sic|2026-10-20|53|Missing AMSR3 products (19 to 23 October 2026, Service Messa</guid><pubDate>Tue, 20 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>Due to a system maintenance at the originating centre (JAXA) from 19 October 05:00 UTC to 23 October 2026 03:00 UTC, the GOSAT-GW AMSR3 products Level 2 PMW Sea-Ice Concentration (OSI-410-g), Sea-Ice Concentration (AMSR3) (OSI-408-g) and Sea-Ice Emissivity (OSI-404-d) will be unavailable or delayed.</description></item><item><title>[ESA CCI Soil Moisture] Delayed update of Soil moisture gridded data following issue identification — use corrected version v202505.2</title><link>https://data4researchers.kr/en/datasets/esa-cci-sm/</link><guid isPermaLink="false">esa-cci-sm|2026-10-20|67|Delayed update of Soil moisture gridded data following issue</guid><pubDate>Tue, 20 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>The regular 10-day ICDR updates were temporarily suspended since 20 September 2026 after the data providers identified gaps affecting 1–20 September 2026. The corrected version v202505.2 was republished on 21 October 2026; v202505 and v202505.1 should no longer be used. Users who downloaded data for 1–20 September 2026 should download v202505.2, and API users need to update their scripts to retrieve v202505.2. Regular ICDR updates will resume thereafter.</description></item><item><title>[VIIRS Snow (VNP10)] Gaps in Level 0 VIIRS data between October 12 and 13 delay downstream processing</title><link>https://data4researchers.kr/en/datasets/viirs-snow/</link><guid isPermaLink="false">viirs-snow|2026-10-16|86|Gaps in Level 0 VIIRS data between October 12 and 13 delay d</guid><pubDate>Fri, 16 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>NSIDC reported on the VNP10A1 data set page and the VIIRS news page that gaps in Level 0 SNPP, JPSS1 and JPSS2 VIIRS data between October 12 and 13 are causing a delay in processing data products further downstream, particularly for products relying on the CloudMask. The science team is working to fill the gaps.</description></item><item><title>[ASI AMSR2 (Univ. Bremen)] Delay in the provision of GCOM-W products due to system maintenance (2026-10-20 00:30 to 10-21 09:00 UTC)</title><link>https://data4researchers.kr/en/datasets/amsr2-asi/</link><guid isPermaLink="false">amsr2-asi|2026-10-16|135|Delay in the provision of GCOM-W products due to system main</guid><pubDate>Fri, 16 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>JAXA G-Portal announced that, due to system maintenance, the provision of GCOM-W Standard Products is expected to be delayed from 00:30 UTC on 20 October to 09:00 UTC on 21 October 2026, and that products will be provided in sequence after the system recovers. ASI sea ice concentration is derived from GCOM-W AMSR2 data, so daily files for this period may appear late.</description></item><item><title>[JRA-55] JRA-55 republished on DIAS (15 October 2026)</title><link>https://data4researchers.kr/en/datasets/jra55/</link><guid isPermaLink="false">jra55|2026-10-15|8|JRA-55 republished on DIAS (15 October 2026)</guid><pubDate>Thu, 15 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>The DIAS Dataset Republication List shows The Japanese 55-year Reanalysis (JRA-55, dataset ID JRA55) as republished on 15 October 2026, together with DSJRA55 and other datasets. Check the list and the DIAS dataset page before downloading from DIAS.</description></item><item><title>[SMAP (L3·L4)] User notice: SMAP data reprocessing complete (14 May to 28 July 2026)</title><link>https://data4researchers.kr/en/datasets/smap/</link><guid isPermaLink="false">smap|2026-10-15|68|User notice: SMAP data reprocessing complete (14 May to 28 J</guid><pubDate>Thu, 15 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>Data from the SMAP Standard products at the NSIDC DAAC have been reprocessed from 14 May 2026 to 28 July 2026 to correct for a geolocation issue discovered in August 2026. Users who previously downloaded data from that time period are recommended to redownload the corrected files.</description></item><item><title>[GSMaP] Notice of Temporary Suspension of Web/SFTP Services (2026-10-19 05:00 to 10-21 01:30 UTC)</title><link>https://data4researchers.kr/en/datasets/gsmap/</link><guid isPermaLink="false">gsmap|2026-10-15|92|Notice of Temporary Suspension of Web/SFTP Services (2026-10</guid><pubDate>Thu, 15 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>Due to system maintenance, the G-Portal Web and SFTP services will be temporarily unavailable from 19 October 2026 05:00 to 21 October 2026 01:30 (UTC). The new G-Portal (www.gportal.jaxa.jp) is affected only by the GCOM-C product registration delay and remains available for products from other satellites.</description></item><item><title>[GPCP V3.3] GPCP v3.3 on the Copernicus CDS extended to 2025 — six-monthly updates from now on</title><link>https://data4researchers.kr/en/datasets/gpcp/</link><guid isPermaLink="false">gpcp|2026-10-14|21|GPCP v3.3 on the Copernicus CDS extended to 2025 — six-month</guid><pubDate>Wed, 14 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>The GPCP v3.3 ICDR extensions to 2025 can now be downloaded from the CDS via the web form or the CDS API (the CDS version had been paused at September 2024). The dataset will be updated every six months from now on.</description></item><item><title>[GOSAT (GOSAT-2·GOSAT-GW)] Announcement of Service Downtime (November 2, 2026) — GOSAT-GW TANSO-3 Product Archive (G3PA), 01:00–05:30 UTC</title><link>https://data4researchers.kr/en/datasets/gosat/</link><guid isPermaLink="false">gosat|2026-10-14|117|Announcement of Service Downtime (November 2, 2026) — GOSAT-</guid><pubDate>Wed, 14 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>The G3PA service will be down from 1:00 to 5:30 UTC on Monday, 2 November 2026, and you will not be able to access G3PA during this period. The downtime may change; users will be informed separately if urgent maintenance occurs.</description></item><item><title>[TROPOMI] Processor upgrade on 2026-11-10 — L1B 3.1.0, NL-L2 3.0.0, UPAS 3.0.1</title><link>https://data4researchers.kr/en/datasets/tropomi/</link><guid isPermaLink="false">tropomi|2026-10-13|115|Processor upgrade on 2026-11-10 — L1B 3.1.0, NL-L2 3.0.0, UP</guid><pubDate>Tue, 13 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>ESA announced that the operational processors will be upgraded on 10 November 2026: NL-L2 (NO2, CO, CH4, AER_AI, AER_LH, O3_PR) to 3.0.0, UPAS (HCHO, SO2, CLOUD, O3, O3_TCL) to 3.0.1 and L1B to 3.1.0. NO2 switches to a new air mass factor look-up table and gains variables (files about 5% larger); the CH4 and AER_LH cloud masks, the AER_AI degradation correction and the O3_PR, CLOUD and O3_TCL algorithms also change. The NL-L2 DOI is updated for the new version, and no NRT products will be generated for data acquired during the switchover. No reprocessing is mentioned, so check the processor version before combining data from before and after the change.</description></item><item><title>[GOSAT (GOSAT-2·GOSAT-GW)] GOSAT-GW TANSO-3 Band 3 maintenance — new L1B paused from 2026-10-19, resuming around February 2027</title><link>https://data4researchers.kr/en/datasets/gosat/</link><guid isPermaLink="false">gosat|2026-10-13|117|GOSAT-GW TANSO-3 Band 3 maintenance — new L1B paused from 20</guid><pubDate>Tue, 13 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>Because of TANSO-3 Band 3 maintenance (about 19 October to 19 November 2026), delivery of new L1B products stops from about 00:40 UTC on 19 October 2026 and is scheduled to resume around February 2027. A service-downtime notice for the TANSO-3 Product Archive (22–29 October) was posted the same day.</description></item><item><title>[APHRODITE] AphroTemp (temperature V1204R1) currently unavailable for download from DIAS</title><link>https://data4researchers.kr/en/datasets/aphrodite/</link><guid isPermaLink="false">aphrodite|2026-10-12|23|AphroTemp (temperature V1204R1) currently unavailable for do</guid><pubDate>Mon, 12 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>When checked, the DIAS dataset page stated that "Data download from DIAS is currently unavailable for this dataset" and that the latest version is released from the APHRODITE website. Use V1808 from the Hirosaki University website for temperature.</description></item><item><title>[CS3SMOS] Antarctic 2026 winter data updating on Copernicus Marine — 2026/27 Arctic season not yet announced</title><link>https://data4researchers.kr/en/datasets/cs3smos/</link><guid isPermaLink="false">cs3smos|2026-10-11|56|Antarctic 2026 winter data updating on Copernicus Marine — 2</guid><pubDate>Sun, 11 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>The AWI wiki has no separate announcement of Southern Hemisphere L4 processing, but the Copernicus Marine Antarctic dataset is updated to the 2026-10-06 reference day (metadata updated 2026-10-11). Southern Hemisphere production runs to 15 October; as of 2026-10-12 the AWI wiki has not announced the start of the 2026/27 Arctic season.</description></item><item><title>[GSMaP] Plan for the GSMaP product version up (V06) — release on G-Portal on 2026-10-19 (NetCDF4)</title><link>https://data4researchers.kr/en/datasets/gsmap/</link><guid isPermaLink="false">gsmap|2026-10-09|92|Plan for the GSMaP product version up (V06) — release on G-P</guid><pubDate>Fri, 09 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>JAXA plans to release a new version (V06) of the GSMaP hourly and monthly precipitation products on G-Portal on 19 October 2026. The format will be NetCDF4 rather than HDF5, V06 will be available only through the new G-Portal system that began service in October 2026 (account required), and V05 will continue to be provided. Algorithm improvements are to be described on the JAXA EORC GPM website.</description></item><item><title>[TROPOMI] Orbit control manoeuvre — possible data degradation on 7 October 2026</title><link>https://data4researchers.kr/en/datasets/tropomi/</link><guid isPermaLink="false">tropomi|2026-10-07|115|Orbit control manoeuvre — possible data degradation on 7 Oct</guid><pubDate>Wed, 07 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>A planned Sentinel-5P orbit control manoeuvre on 7 October could leave data missing or degraded for a time. The impact is documented on the SentiBoard event page for October 2026.</description></item><item><title>[GOCI-II (GEO-KOMPSAT-2B)] GEO-KOMPSAT-2B observation schedule change (6 October)</title><link>https://data4researchers.kr/en/datasets/goci2/</link><guid isPermaLink="false">goci2|2026-10-07|128|GEO-KOMPSAT-2B observation schedule change (6 October)</guid><pubDate>Wed, 07 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>Part of the 17:15 KST acquisition on 6 October 2026 was skipped because of station keeping. The previous day's notice (2026-10-06) announced the cancellation of the 04:15 UTC acquisition on 1 October. Several such schedule-change notices appear every month, so check the operational notices for missing acquisitions before time-series work.</description></item><item><title>[VIIRS Snow (VNP10)] Suomi NPP VIIRS data delivery ends on 2 November 2026 — no new VNP10 data</title><link>https://data4researchers.kr/en/datasets/viirs-snow/</link><guid isPermaLink="false">viirs-snow|2026-10-06|86|Suomi NPP VIIRS data delivery ends on 2 November 2026 — no n</guid><pubDate>Tue, 06 Oct 2026 00:00:00 +0000</pubDate><category>Critical</category><description>NSIDC announced that delivery of Suomi NPP science data products is expected to stop at 13:00 UTC on 2 November 2026 and encouraged users to move to the equivalent JPSS-1 (NOAA-20) and JPSS-2 (NOAA-21) products (VJ110, VJ210). Historical data and documentation remain available. The notice follows NOAA's 3 August 2026 announcement ending S-NPP data delivery.</description></item><item><title>[VIIRS Cloud (CLDPROP·CLDMSK)] Suomi NPP data delivery ends 2 November 2026 — switch from the SNPP versions of CLDPROP and CLDMSK to NOAA-20</title><link>https://data4researchers.kr/en/datasets/viirs-cloud/</link><guid isPermaLink="false">viirs-cloud|2026-10-06|101|Suomi NPP data delivery ends 2 November 2026 — switch from t</guid><pubDate>Tue, 06 Oct 2026 00:00:00 +0000</pubDate><category>Critical</category><description>LAADS DAAC announced that, following the NOAA NESDIS decision (announced 2026-08-03), delivery of Suomi NPP science data ends at 13:00 UTC on 2 November 2026, with the date subject to change. CLDPROP_L2, D3 and M3_VIIRS_SNPP, CLDPROPCOSP_D3 and M3_VIIRS_SNPP, and CLDMSK_L2_VIIRS_SNPP and CLDMSK_L2_VIIRS-CRIS_SNPP are affected, and users are directed to the NOAA-20 versions (a NOAA-21 cloud mask also exists). Historical SNPP data remain available.</description></item><item><title>[VIIRS Aerosol (AERDB·AERDT)] Suomi NPP data delivery ends 2 November 2026 — switch from the SNPP versions of AERDB and AERDT to NOAA-20 and NOAA-21</title><link>https://data4researchers.kr/en/datasets/viirs-aerosol/</link><guid isPermaLink="false">viirs-aerosol|2026-10-06|110|Suomi NPP data delivery ends 2 November 2026 — switch from t</guid><pubDate>Tue, 06 Oct 2026 00:00:00 +0000</pubDate><category>Critical</category><description>LAADS DAAC announced that, following the NOAA NESDIS decision (announced 2026-08-03), delivery of Suomi NPP science data ends at 13:00 UTC on 2 November 2026 (day 2026/306), with the date subject to change. AERDB_L2, D3 and M3_VIIRS_SNPP and AERDT_L2_VIIRS_SNPP are included, and users are directed to the NOAA-20 (…_NOAA20) and NOAA-21 (…_NOAA21) versions. Historical SNPP data remain available.</description></item><item><title>[ERA5-Land] Upcoming CDS Terms of use change (effective 2026-10-28)</title><link>https://data4researchers.kr/en/datasets/era5-land/</link><guid isPermaLink="false">era5-land|2026-10-05|20|Upcoming CDS Terms of use change (effective 2026-10-28)</guid><pubDate>Mon, 05 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>Article 1 (products and services) of the CDS Terms of use changes on 28 October 2026. Continued use of the CDS after that date will be considered acceptance of the updated terms. Users who do not accept should contact ECMWF Support by 27 October; their access to Copernicus Products will then end.</description></item><item><title>[ESA CCI / C3S Land Cover] CDS terms of use change (effective 2026-10-28)</title><link>https://data4researchers.kr/en/datasets/esa-cci-landcover/</link><guid isPermaLink="false">esa-cci-landcover|2026-10-05|79|CDS terms of use change (effective 2026-10-28)</guid><pubDate>Mon, 05 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>Article 1 (Description of Products and Services) of the CDS terms of use changes on 28 October 2026. Continued use counts as acceptance; users who decline must tell ECMWF Support by 27 October and will then lose access to Copernicus Products.</description></item><item><title>[GPCP V3.3 and 3 more] NCEI Data Access Delays (cloud migration, planned through 2026-11-30)</title><link>https://data4researchers.kr/en/notices/</link><guid isPermaLink="false">gpcp|2026-10-02|21|NCEI Data Access Delays (cloud migration, planned through 20</guid><pubDate>Fri, 02 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>NCEI is moving its data and applications to the cloud, which may cause temporary data access delays and intermittent degraded order fulfillment services. If an NCEI route fails, use the AWS or Google Cloud copies or GES DISC.</description></item><item><title>[ERSST v6] NCEI Data Access Delays — cloud migration (through 2026-11-30)</title><link>https://data4researchers.kr/en/datasets/ersst-v6/</link><guid isPermaLink="false">ersst-v6|2026-10-02|38|NCEI Data Access Delays — cloud migration (through 2026-11-3</guid><pubDate>Fri, 02 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>"NCEI is currently moving its data and applications to the cloud", so downloads may be intermittently slow or fail. NESDIS expects the migration to run through spring 2027. If the NCEI servers are unavailable, use the PSL copy.</description></item><item><title>[CMORPH CDR and 1 more] Data Access Delays — NCEI cloud migration (through 2026-11-30)</title><link>https://data4researchers.kr/en/notices/</link><guid isPermaLink="false">cmorph|2026-10-02|93|Data Access Delays — NCEI cloud migration (through 2026-11-3</guid><pubDate>Fri, 02 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>NCEI is moving its data and applications to the cloud, which may temporarily delay access; the stated current impact is intermittent degraded order fulfillment (2026-10-02 to 11-30). The CMORPH CDR product page carries the same notice. Downloading from the AWS or Google Cloud buckets is less affected.</description></item><item><title>[RSS SSM/I·SSMIS] Follow-on microwave data released — RSS MWI (WSF-M1) V6.1</title><link>https://data4researchers.kr/en/datasets/rss-ssmi/</link><guid isPermaLink="false">rss-ssmi|2026-10-01|108|Follow-on microwave data released — RSS MWI (WSF-M1) V6.1</guid><pubDate>Thu, 01 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>RSS released the first public version (V6.1) of data from the MWI sensor on the US Space Force WSF-M1 satellite: 0.25° daily and multi-day gridded netCDF, intercalibrated with the existing RSS microwave climate record. It is meant to fill the gap after DMSP SSMIS, but continuity with the SSMIS record has to be checked separately.</description></item><item><title>[Polar Pathfinder] Version 4.2: 2025 data added — AMSR2 TBs replace SSMIS TBs and ERA5 replaces NCEP/NCAR winds</title><link>https://data4researchers.kr/en/datasets/polar-pathfinder-motion/</link><guid isPermaLink="false">polar-pathfinder-motion|2026-10|60|Version 4.2: 2025 data added — AMSR2 TBs replace SSMIS TBs a</guid><pubDate>Thu, 01 Oct 2026 00:00:00 +0000</pubDate><category>Warning</category><description>With the October 2026 update of the user guide, daily and weekly data were extended to 2025-12-31. From the 2025 data (file version v4.2), "AMSR2 TBs replaced SSMIS TBs as the passive microwave source", and ERA5 replaced the NCEP/NCAR Reanalysis as the wind source. 1978–2024 (v4.1) is unchanged.</description></item><item><title>[SWOT KaRIn (L2 LR SSH · L3)] AVISO SWOT L3 LR Wind Wave v3.0 released (Light and Extended)</title><link>https://data4researchers.kr/en/datasets/swot/</link><guid isPermaLink="false">swot|2026-10|133|AVISO SWOT L3 LR Wind Wave v3.0 released (Light and Extended</guid><pubDate>Thu, 01 Oct 2026 00:00:00 +0000</pubDate><category>Info</category><description>AVISO announced the production and distribution of the Light and Extended SWOT L3_LR_WIND_WAVE version 3.0 products for the Science (cycle 1 – cycle 51) and Calval (cycle 474 – cycle 578) phases. The previous version 2.0 products covered the Science phase cycles 2–16 only.</description></item><item><title>[GPM IMERG V07] Access to GES DISC legacy data servers (gpm1 and others) to end — move to Earthdata Cloud</title><link>https://data4researchers.kr/en/datasets/imerg/</link><guid isPermaLink="false">imerg|2026-09-30|22|Access to GES DISC legacy data servers (gpm1 and others) to </guid><pubDate>Wed, 30 Sep 2026 00:00:00 +0000</pubDate><category>Warning</category><description>The notice on gpm1.gesdisc.eosdis.nasa.gov states that "access to this server (and all other GES DISC data servers) will end no earlier than September 30th 2026" and that users will need to transition to Earthdata Cloud (anonymous FTP access is already gone). When checked on 2026-10-12 the server still responded. Point your scripts to data.gesdisc.earthdata.nasa.gov (HTTPS) or use earthaccess.</description></item><item><title>[GOSAT (GOSAT-2·GOSAT-GW)] GOSAT-2 FTS-2 observations suspended (2026-09-22 to 09-27)</title><link>https://data4researchers.kr/en/datasets/gosat/</link><guid isPermaLink="false">gosat|2026-09-29|117|GOSAT-2 FTS-2 observations suspended (2026-09-22 to 09-27)</guid><pubDate>Tue, 29 Sep 2026 00:00:00 +0000</pubDate><category>Info</category><description>GOSAT-2 FTS-2 stopped observing during the 15:00 UT hour on 22 September 2026 and resumed at 00:37 UT on 27 September. No products are provided for 2026-09-22 15:32:30 to 09-27 00:37:12 UT.</description></item><item><title>[neXtSIM] Daily and monthly data extended to May 2026</title><link>https://data4researchers.kr/en/datasets/nextsim/</link><guid isPermaLink="false">nextsim|2026-09-21|52|Daily and monthly data extended to May 2026</guid><pubDate>Mon, 21 Sep 2026 00:00:00 +0000</pubDate><category>Info</category><description>Per the Copernicus Marine metadata, the daily dataset (cmems_mod_arc_phy_my_nextsim_P1D-m_202411) now runs to 2026-05-31 and the monthly dataset to May 2026 (data updated 2026-09-21). The dataset version tag (202411) is unchanged.</description></item><item><title>[GLEAM4] GLEAM4.3b released (through end-2025)</title><link>https://data4researchers.kr/en/datasets/gleam/</link><guid isPermaLink="false">gleam|2026-09-21|69|GLEAM4.3b released (through end-2025)</guid><pubDate>Mon, 21 Sep 2026 00:00:00 +0000</pubDate><category>Info</category><description>GLEAM4.3b was released on the server and is said to cover up to the end of 2025 at 0.1°. The dataset description on the same page still gives the 4.3b period as 2003-01-01 to 2024-12-31, so check the last date in the files you download.</description></item><item><title>[ISCCP-H] Follow-on ISCCP-NG demonstrator released (CM SAF, year 2021)</title><link>https://data4researchers.kr/en/datasets/isccp-h/</link><guid isPermaLink="false">isccp-h|2026-09-21|103|Follow-on ISCCP-NG demonstrator released (CM SAF, year 2021)</guid><pubDate>Mon, 21 Sep 2026 00:00:00 +0000</pubDate><category>Info</category><description>EUMETSAT CM SAF released an ISCCP-NG demonstrator dataset built from global level-1 composites of five geostationary satellites. The first release covers 2021 and provides cloud properties and top-of-atmosphere radiative fluxes at 0.05° and half-hourly resolution. It is a demonstrator, not a long-term record, so it does not yet continue ISCCP-H.</description></item></channel></rss>
