[ldm-users] 20210521: upcoming change to the IDD FNEXRAD datastream

• To: ldm-users@xxxxxxxxxxxxxxxx
• Subject: [ldm-users] 20210521: upcoming change to the IDD FNEXRAD datastream
• From: Unidata Datastream Support <support@xxxxxxxxxxxxxxxx>
• Date: Fri, 21 May 2021 17:28:37 -0600

Users of the FNEXRAD IDD feed:

Next Wednesday, May 19, the contents of the FNEXRAD feed will be enhanced
by the addition of approximately 140 Multi-Radar/Multi-Sensor System
(MRMS) products.

Relevant information:

- NOAA/NSSL website

  Multi-Radar/Multi-Sensor System (MRMS)
  https://www.nssl.noaa.gov/projects/mrms/

    GRIB2 IDs for MRMS data (updated for MRMS v12)
    https://www.nssl.noaa.gov/projects/mrms/operational/tables.php

- Information on the products to be included in the FNEXRAD datastream
  can be found in:

  Unidata Homepage
  http://www.unidata.ucar.edu

    Data -> Radar Data -> National Mosaics
    https://www.unidata.ucar.edu/data/index.html#mosaics

      FNEXRAD (FT13, NMC3)
      https://www.unidata.ucar.edu/data/fnexrad.html

- all but one of the MRMS products are in GRIB2 format

  The exception is the ProbSevere product which is in JSON.

- the volume of the MRMS products averages on the order of
  4 GB/hour with peaks up to 7 GB/hour

Please send all comments/questions to:

support-idd@xxxxxxxxxxxxxxxx

Cheers,

Unidata User Support
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