Talk:GEOS-5 ADAS Radiance Monitoring: Difference between revisions

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*'''20 Sep 2021''' The MetOp-A IASI outage for the first test began 2021-09-08 12z.  The MetOp-A IASI data returned in the 2021-09-15 06z dataset with a partial swath, according to coverage plots.  At 2021-09-16 12z the number of accepted obs dropped to near zero (presumably with the start of the second technology test).  The ana.log files had messages about "READ_IASI WARNING uncertainty in lza". It was decided to turn off MetOp-A IASI data starting with the 12z assimilation on this date (9/20/2021) - this will be the end of our usage of MetOp-A IASI since the data is not expected to be available after the end of the technology test.
*'''20 Sep 2021''' The MetOp-A IASI outage for the first test began 2021-09-08 12z.  The MetOp-A IASI data returned in the 2021-09-15 06z dataset with a partial swath, according to coverage plots.  At 2021-09-16 12z the number of accepted obs dropped to near zero (presumably with the start of the second technology test).  The ana.log files had messages about "READ_IASI WARNING uncertainty in lza". It was decided to turn off MetOp-A IASI data starting with the 12z assimilation on this date (9/20/2021) - this will be the end of our usage of MetOp-A IASI since the data is not expected to be available after the end of the technology test.
*'''19 Oct 2021''' The MetOp-A IASI instrument was switched off on October 15.  Note that all other Metop-A instruments and products will be shut off by November 15, and the satellite will be de-orbited by December 1.  In future tags we will be marking the end date for MetOp-A IASI in the 'active_channels.tbl' and the 'available_channels.tbl' as 9/08/21 06z prior to the first outage.  By turning off the data in the 'available_channels.tbl' we will avoid the "READ_IASI WARNING uncertainty in lza" error messages that would appear even when the data is read in as passive.
*'''19 Oct 2021''' The MetOp-A IASI instrument was switched off on October 15.  Note that all other Metop-A instruments and products will be shut off by November 15, and the satellite will be de-orbited by December 1.  In future tags we will be marking the end date for MetOp-A IASI in the 'active_channels.tbl' and the 'available_channels.tbl' as 9/08/21 06z prior to the first outage.  By turning off the data in the 'available_channels.tbl' we will avoid the "READ_IASI WARNING uncertainty in lza" error messages that would appear even when the data is read in as passive.
*'''3 Dec 2021''' The MetOp-A instruments were supposed to have been shut off by November 15 - EUMETSAT discontinued data dissemination on that date.  However, some data (e.g AMSU-A, MHS, AVHRR) continued to be distributed by NOAA and at least for AMSU-A there were reports of degradation.  The final date with MetOp-A data was 27 Nov 2021, 12Z.


== Aqua AIRS data problem 23 Sept 2021 ==
== Aqua AIRS data problem 23 Sept 2021 ==
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