[Ncep.list.idp.mrms.users] MRMS v11.6.1 - 30 Day Test

Justin Cooke - NOAA Federal justin.cooke at noaa.gov
Fri Oct 5 19:13:58 UTC 2018

MRMS users,

NCO is officially announcing the re-start of the 30-day evaluation of MRMS
11.6.1 beginning Today, Friday October 5th, 2018. NCO asks that you send us
any feedback you have on MRMS 11.6.1 to Anwar Al-Mallah (
anwar.al-mallah at noaa.gov) no later than COB October 29, 2018.  Please
include in the subject line: "MRMS 11.6.1 30 Day Feedback".

The upgrade is scheduled for Wednesday, November 7th, 2018.

The technical enhancements include the following:

 - The AutoNowCaster (ANC) product resolution will be increased from 0.05 x
0.05 degrees (~5km) to 0.01 x 0.01 degrees (~1km). Users should expect the
ANC file sizes to increase by an order of magnitude. Product timing,
filenames, domain bounds and access methods will remain unchanged. File
patterns like:

 - Modifying color maps used by RDIGE2 to remove the differentiation
between “no coverage” versus missing values. This product is only available

 - Update the FLASH GRIB2 internal compression from “complex packing” to
“PNG” which reduces the volume by 50%. Currently this data is available on
LDM only, with this upgrade the data will be available on both SBN/NOAAPORT
and the Web.

 - Begin disseminating Flooded Locations and Simulated Hydrographs (FLASH)
GRIB2 Products on the SBN/NOAAPORT

Also attached are the release notes for version 11.6.1

Users can access sample v11.6.1 data using the below sites:

*LDM: *MRMS test data will be available via from this address:

   - If you would like to aid in validation of MRMS v11.6.1 Please contact
   the IDP team to get put in the allow list for ldm.
      - idp-support at noaa.gov

*MRMS Web data*: GRIB2 data from MRMS 11.6.1 BLDR TEST will be available on
the mrmst website:

   - http://mrmst.ncep.noaa.gov/data/

A Service Change Notice (SCN) of this upgrade can be found on the NWS
Service Changes Notices page: https://www.weather.gov/notification/

Justin Cooke
NCEP Central Operations
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