Topic: Operational Update of Multiplatform Tropical Cyclone Surface Winds Analysis (MTCSWA) on NDE

Date/Time Issued: January 24, 2022 1727 UTC

Product(s) or Data Impacted: Multiplatform Tropical Cyclone Surface Winds Analysis (MTCSWA)

Date/Time of Initial Impact: January 26, 2022 1530 UTC

Date/Time of Expected End: January 26, 2022 1630 UTC

Length of Event: 1 hour

Details/Specifics of Change:

This installation is planned to occur during back orbits. NDE will not be ingesting, processing or distributing data during installation. No data loss is expected, but there will be a possible backlog of processing when installation is complete.

Multiplatform Tropical Cyclone Surface Winds Analysis (MTCSWA) in NDE

The MTCSWA will be upgraded with:

1. Add scatterometer data from MetOp-B

2. Add NPP/ATMS nonlinear balance winds

3. Update inner core GOES winds using GOES-16/17 and Himawari-8 inputs

4. Modify surface wind reduction rules to be consistent w/NHC’s rules

5. Produce output in NetCDF

6. Full resolution G16/17 and H8 data

The MTCSWA FIX product shortname and file name will be changed:

	shortname	Product File Name
Current MTCSWA	MTCSWA_FIX	NSOF_202109220000_15L_FIX
New MTCSWA	MTCSWA_blend_FIX	MTCSWA-AL932021_v1r1_blend_s202110120000000_e202110120300000_c202110120349500_FIX’

MTCSWA will also generate a netcdf product:

Product PDA Short Name	Product File Name (NetCDF4)	Description
MTCSWA_blend_nc	MTCSWA-AL932021_v1r1_blend_s202110110000000_e202110110300000_c202110110351180.nc’	MTCSWA 2-D wind products

Please note: This upgrade will not be performed during Critical Weather Day (CWD).

Also, the contents of this release are subject to change based on user readiness, customer feedback, and management approval.

Additional ESPC notifications will provide further details and updates concerning this release. User feedback and questions should be directed to Liqun Ma Liqun.Ma@noaa.gov

Contact Information: For information on the status of this work, please contact Liqun Ma Liqun.Ma@noaa.gov or ESPC Operations at ESPCOperations@noaa.gov or 301-817-3880

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

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