Information and Notice
Last update : 24 October 2025
2025
- Quality of Some Himawari-8 Products Decreased due to the Moon [update No.3] (24 October 2025)
- Regarding the ASWind (AMV-based ocean surface wind speed) product published on the Japan Meteorological Agency's Real-Time Imagery webpage, we would like to inform you that the issue of Himawari Band 7 data not being used in ASWind from March 5, 2024 has been resolved. ASWind data including Himawari Band 7 has been distributed again since 0140 UTC on October 21, 2025. (21 October 2025)
- Switch Operation from its Himawari-9 satellite to its Himawari-8 unit from 13:00 UTC (P0790) on 12 October 2025 (16 October 2025)
- (Postponed - implementation date: TBD) Update of Calibration Information Used to Correct Himawari-9 AHI Sensitivity Trends (9 October 2025)
- Quality of Some Himawari-9 Products Decreased due to the Moon [update No.2] (22 September 2025)
- Maintenance of the HimawariCast ground system. (11 September 2025)
- Quality of Some Himawari-9 Products Decreased due to the Moon (19 August 2025)
- Autumn 2025 Equinox Seasns of Himawari-9. (5 August 2025)
- Sun interference for HimawariCast (Autumn 2025 Equinox Seasons) (5 August 2025)
- Regarding the ASWind (AMV-based Sea-surface Wind) product at the Real-Time Image webpage, JMA has found that Himawari band 7 data have not been used for ASWind since 5 March 2024. Due to this problem, less ASWind data is being distributed than usual.(18 July 2025)
- Maintenance of Himawari-9 (10 April 2025)
- Quality of Some Himawari-9 Products Decreased due to the Moon [update No.2] (25 March 2025)
- Improvement of Himawari-9 observation data quality (12 March 2025)
- Maintenance of Himawari-9 (4 March 2025)
- Spring 2025 Equinox Seasns of Himawari-9. (Equinox event periods update) (17 February 2025)
- Quality of Some Himawari-9 Products Decreased due to the Moon (14 February 2025)
- HimawariCast Newsletter No.18 is now available. (10 February 2025)
- Maintenance of the antenna used for HimawariCast. (4 February 2025)
- Maintenance of the HimawariCast ground system. (4 February 2025)
- Spring 2025 Equinox Seasns of Himawari-9. (30 January 2025)
- Sun interference for HimawariCast (Spring 2025 Equinox Seasons) (30 January 2025)
- Maintenance of Himawari-9 (16 January 2025)
2024
- HimawariCast Maintenance. (20 December 2024)
- HimawariCast Maintenance. (3 December 2024)
- Utilization of Meteorological Satellite Data in Cloud Analysis: 1st revision posted. (28 November 2024
- Sun interference for HimawariCast (Autumn 2024 Equinox Seasons) (23 July 2024)
- Autumn 2024 Equinox Seasns of Himawari-9. (23 July 2024)
- The "Utilization of Meteorological Satellite Data in Cloud Analysis" is published. (8 July 2024)
- Scheduled maintenance for HimawariCloud service on 20 June, 2024 (14 June/2024)
- MSC Technical Report Special Issu(Utilization of Meteorological Satellite Data in Cloud Analysis: English version) is posted. (16 May 2024)
- Maintenance of Himawari-9 (25 April 2024)
- Quality of Some Himawari-9 Products Decreased due to the Moon [update No.3] (2 April 2024)
- HimawariCast Newsletter No.17 is now available. (19 March 2024)
- Maintenance of HimawariCast ground system. (22 February 2024)
- Spring 2024 Equinox Seasns of Himawari-9. (8 February 2024)
- Sun interference for HimawariCast (Spring 2024 Equinox Seasons) (5 February 2024)
- HimawariCast Newsletter No.16 is now available. (30 January 2024)
- Quality of Some Himawari-9 Products Decreased due to the Moon [update No.2] (17 January 2024)
- Quality of Some Himawari-9 Products Decreased due to the Moon [update No.1] (16 January 2024)
2023
- Quality of Some Himawari-9 Products Decreased due to the Moon (28 December 2023)
- Notice about delay of HimawariCast (4 December 2023)
- Maintenance of Himawari-9 (28 November 2023)
- New references and algorithm update for GSICS Infrared Inter-calibration (26 October 2023)
- Sun interference for HimawariCast (Autumn 2023 Equinox Seasons) (31 August 2023)
- Autumn 2023 Equinox Seasns of Himawari-9. (17 August 2023)
- Due to the maintenance of network system, Real-time Image uploading will be delayed by up to one hour from 15:00 UTC to 18:00 UTC on 9 May 2023. (2 May 2023)
- The 12th Asia-Oceania Meteorological Satellite Users' Conference (AOMSUC-12) Summary uploaded. (18 April 2023)
- Sun interference for HimawariCast (Spring 2023 Equinox Seasons) (9 February 2023)
- Spring 2023 Equinox Seasns of Himawari-9. (9 February 2023)
2022
- Maintenance of HimawariCast ground system. (15 December 2022)
- Switchover of the Operational Satellite [update No.3] (13 December 2022)
- Products Comparison between Himawari-8 and -9. (22 November 2022)
- Switchover of the Operational Satellite [update No.2] (11 November 2022)
- HimawariCast Newsletter No.15. (31 October 2022)
- Meteorological Satellite Center Technical Report No.66 is posted. (26 October 2022)
- The 12th Asia-Oceania Meteorological Satellite Users' Conference (AOMSUC-12) Second Announcement. (21 October 2022)
- The 12th Asia-Oceania Meteorological Satellite Users' Conference (AOMSUC-12) website launched and First Announcement. (19 August 2022)
- Sun interference for HimawariCast (Autumn 2022 Equinox Seasons) (18 Augusty 2022)
- Autumn 2022 Equinox Seasns of Himawari-8. (18 August 2022)
- Products Comparison between Himawari-8 and -9. (5 August 2022)
- Update of Calibration Information Used to Correct Himawari-8 AHI Sensitivity Trend. (4 July 2022)
- Switchover of the Operational Satellite [update No.1] (23 June 2022)
- Meteorological Satellite Center Technical Report Special Issu is posted. (1 April 2022)
- HimawariCast Maintenance. (29 March 2022)
- Sun interference for HimawariCast (Spring 2022 Equinox Seasons) (10 February 2022)
- Spring 2022 Equinox Seasns of Himawari-8. (10 February 2022)
- Maintenance of Himawari-8 (7 February 2022)
- Switchover of the operational satellite (2 February 2022)
2021
- Always-on TLS Encryption will be introduced on the Meteorological Satelite Center website on 15 March 2022. Please see the Japan Meteorological Agency website for details. (21 December 2021)
- The "Weekly operation schedule (MANAM)" will be discontinued after its last update at 24 February 2022. (21 December 2021)
- Maintenance of JCSAT-2B ground system. (Additional Information) (9 November 2021)
- Maintenance of JCSAT-2B ground system. (20 October 2021)
- Sun interference for HimawariCast (Autumn 2021 Equinox Seasons) (19 August 2021)
- Autumn 2021 Equinox Seasns of Himawari-8. (5 August 2021)
- Update of Calibration Information Used to Correct Himawari-8 AHI Sensitivity Trend. (The date was rescheduled) (12 July 2021)
- (Postponed) Update of Calibration Information Used to Correct Himawari-8 AHI Sensitivity Trend. (5 July 2021)
- GSICS monitoring page by ray-matching method opened. (7 June 2021)
- Maintenance of JCSAT-2B ground system. (10 May 2021)
- Sun interference for HimawariCast (Spring 2021 Equinox Seasons) (3 February 2021)
- Maintenance of Himawari-8 (1 February 2021)
2020
- HimawariCast Newsletter No.14. (17 November 2020)
-
The URL redirect from the old MSCweb resource to the current MSCweb resource (updated on 9 March 2020) were discontinued at 10 November 2020.
Please refer to the MSCweb URL comparison table to update your bookmarks. - Meteorological Satellite Center Technical Report No.65 is posted. (30 October 2020)
- HimawariCast Maintenance. (13 August 2020)
- Sun interference for HimawariCast (Autumn 2020 Equinox Seasons) (6 August 2020)
- Update of Calibration Information Used to Correct Himawari-8 AHI Sensitivity Trend (6 July 2020)
- HimawariCast Maintenance. (4 June 2020)
- Suspension of HimawariCloud Service. (18 March 2020)
- New adding the Common QI to Himawari-8/9 AMV BUFR (12 March 2020)
- Update of MSC Technical Note No.64. (9 March 2020)
- The Meteorological Satellite Center website has been updated on 9 March 2020. Please refer to "MSCweb URL comparison table" for the current MSCweb URLs changed from the old MSCweb.
- HimawariCast Maintenance. (18 February 2020)
- Sun interference for HimawariCast (Spring 2020 Equinox Seasons) (10 February 2020)
- HimawariCast Newsletter No.13. (17 January 2020)
- Maintenance of Himawari-8 (14 January 2020)
2019
- Maintenance of Himawari-8 (9 December 2019)
- HimawariCast Maintenance. (9 December 2019)
- HimawariCast Newsletter No.12. (15 October 2019)
- Meteorological Satellite Center Technical Report No.64 is posted. (30 September 2019)
- Sun interference for HimawariCast (Autumn 2019 Equinox Seasons) (6 August 2019)
- AMV-based Sea-surface Wind (24 July 2019)
- Update of Calibration Information Used to Correct Himawari-8 AHI Sensitivity Trend (8 July 2019)
- Sun interference for HimawariCast (Spring 2019 Equinox Seasons) (12 February 2019)
- Himawari-8 Maintenance(31 January 2019)
2018
- Regional Specialized Meteorological Centre Tokyo for Nowcasting(20 December 2018)
- Correction of the Himawari-8/AHI's Sensitivity Trend (09 July 2018)
- Sun interference for HimawariCast (Spring 2018 Equinox Seasons) (6 February 2018)
- Himawari-8 Maintenance(31 January 2018)
2017
- Sun interference for HimawariCast (Autumn 2017 Equinox Seasons) (3 August 2017)
- Improvement of Himawari-8 observation data quality(21 July 2017)
- Himawari Standard Data User's Guide (ver 1.3)(21 July 2017)
- Correction of the Himawari-8/AHI’s Sensitivity Trend(21 July 2017)
- Himawari-9 started backup operation at 00 UTC on 10 March 2017 (10 March 2017)
- Himawari-8 : System Maintenance is scheduled. (6 February 2017)
- Sun interference for HimawariCast (Spring 2017 Equinox Seasons) (6 February 2017)
- First image from Himawari-9 (24 January 2017)
2016
- Quality improvement of Himawari-8 observation data (17 Nobember 2016)
- Himawari-9 enters geostationary orbit (11 Noveber 2016)
- Himawari-9 successfully launched (2 November 2016)
- Launch of Himawari-9 postponed (30 October 2016)
- Himawari-9 is scheduled for launch on 1 November 2016 (2 September 2016)
- Sun interference for HimawariCast (Autumn 2016 Equinox Seasons) (18 August 2016)
- The 7th Asia/Oceania Meteorological Satelite Users' Conference (AOMSUC-7) in Korea. (9 August 2016)
- HimawariCast: The communication satellite switchover is scheduled to take place between 6 July and 20 July (15 June 2016)
- Updates of the processing algorithm at the ground segment (9 March 2016)
- Sun interference for HimawariCast (Spring 2016 Equinox Seasons) (10 February 2016)
- MTSAT-2 Operation for Eclipse Periods(The observation schedule outages for sun interference changed.) (5 February 2016)
- Himawari-8 : System Maintenance is scheduled. (1 February 2016)
2015
- Direct dissemination service via MTSAT-1R was terminated on 4 December 2015. (7 October 2015)
- MTSAT-2 Operation for Eclipse Periods(The observation schedule outages for sun interference changed.) (29 September 2015)
- HimawariCast: The communication satellite switchover postponed (11 September 2015)
- Sun interference for HimawariCast (Autumn 2015 Equinox Seasons) (11 August 2015)
- Himawari-8 Operation for Eclipse Periods (10 August 2015)
- MTSAT-2 Schedule for Equinox Season (Autumn 2015 Equinox Operations) (6 August 2015)
- Himawari-8 operation initiated (7 July 2015)
- The Sixth Asia/Oceania Meteorological Satellite Users' Conference (AOMSUC-6) Venue decided (8 June 2015)
- Himawari-8 is scheduled to start operation at 02 UTC on 7 July 2015 (27 May 2015)
- Collection of images captured by Himawari-8 (1 May 2015)
- The Sixth Asia/Oceania Meteorological Satellite Users' Conference (AOMSUC-6) First Announcement (12 March 2015)
- Test dissemination of Himawari-8 imagery via the HimawariCast service. (12 March 2015)
- Detailed information on utilization of HimawariCloud service (11 March 2015)
- The Sixth Asia/Oceania Meteorological Satellite Users' Conference (AOMSUC-6) website launched (18 February 2015)
- MTSAT-2 Schedule for Equinox Season (Spring 2015 Equinox Operations) (5 February 2015)
- Sample data set created from Himawari-8 observation data (29 January 2015)
- HimawariCast service started (29 January 2015)
2014
- First images from Himawari-8 (18 December 2014)
- Himawari-8 enters geostationary orbit (17 October 2014)
- Himawari-8 successfully launched (7 October 2014)
- Meteorological Observation by MTSAT-1R for maintenance of MTSAT's ground system (7 October 2014)
- Internet cloud service: New service for Himawari-8/9
(8 September 2014) - HimawariCast service: New service for Himawari-8/9
(3 September 2014) - Schedule for Equinox Season (Autumn 2014 Equinox Operations) (1 August 2014)
- PDF files of MSC Technical Notes are posted. (12 May 2014)
- Schedule for Equinox Season (Spring 2014 Equinox Operations) (6 February 2014)
2013
- Himawari-8/AHI sample data and format
(31 October 2013) - Meteorological Observation by MTSAT-1R for maintenance of MTSAT's ground system (26 September 2013)
- Schedule for Equinox Season (Autumn 2013 Equinox Operations) (1 August 2013)
- AHI proxy data (for researchers) (27 February 2013)
- Schedule for Equinox Season (Spring 2013 Equinox Operations) (6 February 2013)
2012
- Photographs of AHI instrument (19 October 2012)
- Meteorological Observation by MTSAT-1R for maintenance of MTSAT's ground system (21 September 2012)
- Termination of direct broadcasting to MDUS and SDUS Users via MTSAT(30 August 2012)
- Schedule for Equinox Season (Autumn 2012 Equinox Operations) (31 July 2012)
- Himawari-8/9 information page opened (24 July 2012)
- Additional Imagery with heavy rainfall potential areas for the Southeast Asia to the MTSAT Real-Time Image (19 March 2012)
- Maintenance for the MTSAT-DCS (23 February 2012)
- Maintenance for the MTSAT-DCS (22 February 2012)
- Maintenance for the MTSAT-DCS (2 February 2012)
- Schedule for Equinox Season (Spring 2012 Equinox Operations) (2 February 2012)
- Data distribution stop of MTSAT-DCS (2 February 2012)
- Maintenance for the MTSAT-DCS (13 January 2012)
2011
- Meteorological Observation by MTSAT-1R for maintenance of MTSAT's ground system (14 October 2011)
- Resume of MTSAT-2 imagery data dissemination (15 August 2011)
- Backup Observation by MTSAT-1R (3 August 2011)
- MSC starts operation as DCPC (Data Collection or Production Centre) of WMO Information System (1 August 2011)
- Schedule for Equinox Season (Autumn 2011 Equinox Operations) (21 July 2011)
- Additional Imagery with heavy rainfall potential areas for the South Pacific Islands to the MTSAT Real-Time Image (23 March 2011)
- Schedule for Equinox Season (Spring 2011 Equinox Operations) (4 February 2011)
2010
- Continuation of MTSAT-1R's Observation (13 October 2010)
- Backup Observation by MTSAT-1R (7 October 2010)
- Schedule for Equinox Season (Autumn 2010 Equinox Operations) (12 August 2010)
- Plan of Operation for MTSAT-2 (14 May 2010)
- Switchover of Meteorological Observing Function from MTSAT-1R to MTSAT-2 (23 April 2010)
- Additional Asia area to the MTSAT Real-Time Image (16 April 2010)
- Additional Pacific area to the MTSAT Real-Time Image (4 March 2010)
- Schedule for Equinox Season (Spring 2010 Sun Avoidance Operations) (15 February 2010)
2009
- Resume of MTSAT-1R imagery data dissemination (26 November 2009)
- Failure of image data processing on MTSAT-1R ground system from 15-16 November 2009 (16 November 2009)
- Failure of the observation by MTSAT-1R occurred on 11 November 2009 (12 November 2009)
- Plan for Switchover of Meteorological Mission from MTSAT-1R to MTSAT-2 (30 July 2009)
- Upgrade of tracking algorithm for MTSAT-1R AMVs in September 2009 (17 July 2009)
- Image gallery page opened on 17 July 2009 (17 July 2009)
- Change of MTSAT-1R AMV BUFR dissemination in August 2009 (pdf) (16 June 2009)
- Upgrade of MTSAT-1R AMV derivation algorithm in May 2009 (pdf) (12 February 2009)
- Schedule of Autumn 2009 Sun Avoidance Operations (14 August 2009)
2008
- GSICS monitoring page opened on 2 July 2008
- RARS timeliness monitoring page added on 27 June 2008
- HiRID and WEFAX terminated on 12 March 2008 (JMA website)