Date/Time Issued: June 18, 2026 1700 UTC

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

Date of Initial Impact (start date of first scheduled event): June 18, 2026 

Date of Expected End (end date of last scheduled event): June 22, 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 18 June, 2026.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 20:30 UTC on 18 June, 2026. As a result, the following observation will be cancelled:

20:40 UTC(P124) on 18 June, 2026.

• East-west station keeping maneuver for Himawari-9 on 19 June, 2026.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 08:30 UTC on 19 June, 2026. As a result, the following observation will be cancelled:

08:40 UTC(P052) on 19 June, 2026.

• Calibration of the visible bands of the AHI on 22 June, 2026.

A calibration of the visible bands of the AHI is scheduled from 20:40 UTC on 22 June, 2026. As a result, the following observation will be cancelled:

20:50 UTC(P125) on 22 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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