Topic: Product Change for Advanced Clear-Sky Processor for Oceans (ACSPO) SST from AVHRR

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Date/Time Issued: April 11, 2019 2352Z

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Product(s) or Data Impacted: M-BAll ACSPO AVHRR SST (and aer-sub) Products

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Date/Time of Initial Impact: M-BM-BMay 11, 2019

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Date/Time of Expected End: N/A

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Length of Outage: N/A

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Details/Specifics of Change:

Install ACSPO v2.70

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The naming convention and the version number for ACSPO SST AVHRR are scheduled to change on May 11, 2019 with the upgrade to ACSPO v2.70.M-B The changes are as follows:

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1) M-BVersion number of ACSPO will change from V2.41 to V2.70.

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2) The satellite identifier and the instrument identifier are currently combined in one field and will now be separate fields, delimited by an underscore '_' in the filename.M-B The MetOp satellite identifiers are also changing and the instrument identifier is adding an M-bM-^@M-^XFM-bM-^@M-^Y on the end of AVHRR to indicate FRAC.

(a) The satellite identifier for MetOp-A is changing from M-bM-^@M-^XMTAM-bM-^@M-^Y to M-bM-^@M-^XMAM-bM-^@M-^Y and MetOp-B is changing from M-bM-^@M-^XMTBM-bM-^@M-^Y to M-bM-^@M-^XMBM-bM-^@M-^Y.

(b) M-BThe instrument identifier for FRAC is changing to now use AVHRRF.M-B In the old form, FRAC was not indicated at all.

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Given (a) and (b) listed above, the value for the 2 fields is changing for FRAC from 'AVHRRMTA' to 'AVHRRF_MA' and 'AVHRRMTB' to 'AVHRRF_MB'.M-B Examples of the names are below.

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Currently the filenames are typically in the following format:

20181129121000-OSPO-L2P_GHRSST-SSTsubskin-AVHRRMTB-ACSPO_V2.41-v02.0-fv01.0.nc

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The new format will be as follows: 20181129121000-OSPO-L2P_GHRSST-SSTsubskin-AVHRRF_MB-ACSPO_V2.70-v02.0-fv01.0.nc

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Users may request sample data by emailing John Sapper (John.Sapper@noaa.gov).

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The content of the product files remains the same with the exception of the addition of a couple metadata parameters mainly for internal use.

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This upgrade will not be performed during Critical Weather Day (CWD).M-B Additionally, the contents of this release are subject to change based on user readiness, customer feedback, and management approval.M-B Additional ESPC notifications will provide further details and updates concerning this release. User feedback and questions should be emailed to John Sapper (John.Sapper@noaa.gov).

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Contact Information: M-BFor information on the status of this work, please contact John Sapper John.Sapper@noaa.gov or ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

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Web Site(s) for applicable information: N/A

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This message was sent to ESPC.Notification@noaa.gov.M-B You have been sent this and other notifications because you have opted in to receive it.M-B If you wish to unsubscribe please contact the ESPC Help Desk at ESPCOperations@noaa.gov or (301) 817-3880.M-B Please note: it may take up to two business days to process your unsubscribe request.

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