Date/Time Issued: May 28, 2026 1900 UTC

Product(s) or Data Impacted: Himawari-9 AHI Imagery

Date of Initial Impact (start date of first scheduled event): June 4, 2026 

Date of Expected End (end date of last scheduled event): June 7, 2026 

Length of Outage: See detailed information below for specific Himawari-9 AHI data periods affected.

From JMA/MSC:

• East-west station keeping maneuver for Himawari-9 on 4 June, 2026.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 19:30 UTC on 4 June, 2026. As a result, the following observation will be cancelled: 19:40 UTC (P118) on 4 June, 2026.

• East-west station keeping maneuver for Himawari-9 on 5 June, 2026.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 07:30 UTC on 5 June, 2026. As a result, the following observation will be cancelled:

07:40 UTC (P046) on 5 June, 2026.

• Calibration of the visible bands of the AHI on 7 June, 2026.

A calibration of the visible bands of the AHI is scheduled from 20:40 UTC on 7 June, 2026. As a result, the following observation will be cancelled: 20:50 UTC (P125) on 7 June, 2026.

Web Site(s) for applicable information: https://www.data.jma.go.jp/mscweb/en/oper/bulletin_list_H9.html

Contact for Further Information: Please email SPSD User Services at spsd.userservices@noaa.gov

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