Date/Time Issued:  April 17, 2025 1810 UTC

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

Date of Initial Impact (start date of first scheduled event):  April 21, 2025

Date of Expected End (end date of last scheduled event):  April 24, 2025

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

From JMA/MSC:

North-south station keeping maneuver for Himawari-9 on 21 April, 2025.

A north-south station-keeping maneuver for Himawari-9 is scheduled from 17:40 UTC on 21 April, 2025. As a result, the following observation will be cancelled:

• 17:50 UTC(P107) on 21 April, 2025.

Calibration of the visible bands of the AHI on 22 April, 2025.

A calibration of the visible bands of the Advanced Himawari Imager (AHI) is scheduled from 20:40 UTC on 22 April, 2025. As a result, the following observation will be cancelled:

• 20:50 UTC(P125) on 22 April, 2025.

East-west station keeping maneuver for Himawari-9 on 24 April, 2025.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 08:10 UTC on 24 April, 2025. As a result, the following observation will be cancelled:

• 08:20 UTC(P050) on 24 April, 2025.

East-west station keeping maneuver for Himawari-9 on 24 April, 2025.

An east-west station-keeping maneuver for Himawari-9 is scheduled from 20:10 UTC on 24 April, 2025. As a result, the following observation will be cancelled:

• 20:20 UTC(P122) on 24 April, 2025.

Contact Information:  ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

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

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