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Welcome to the RTMA/URMA VLab community!

The purpose of this community is to facilitate feedback and discussion on the RTMA/URMA system. 

Meeting notes are available under the Google Drive Folder linked above.

To learn more about our next upgrade, see the asset publication below.

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Note that there are two forums: one for precipitation issues and one for all other variables.

You can post to the precip issues forum by sending an email to qpe.rtma.urma.feedback.vlab@noaa.gov.  For all other issues, you can post by sending an email to rtma.feedback.vlab@noaa.gov.  Please note that you must have a user account to post to the forum.  If you do not have an account, please contact matthew.t.morris@noaa.gov.

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What's New

December 2017 Implementation Summary

Document

Overview of upgrade scheduled for December 2017. Note that this was originally scheduled for October 2017, but has been pushed back due to technical issues.

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Modified Date
10/31/17

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Impacts of CMORPH on URMA QPE

Jeffrey Craven, modified 3 Years ago.

Impacts of CMORPH on URMA QPE

Youngling Posts: 90 Join Date: 9/24/12 Recent Posts
We have received a good deal of complaints about high NBM PoPs and QPFs over southwestern states and mainly NW Mexico.   We put in a patch on May 11th that mitigated that to a large extent, but not completely.  There appears to be a good deal of non-zero QPE working its way into the analysis that doesn't appear to be realistic. 

Here are some recent URMA QPE images that show the issue with a ring of very high (and not correct) QPE along the coastline in NW Mexico including Baja CA.  

I am not sure who owns CMORPH.   I would be happy to send this feedback to the CMORPH keepers if that would help.  

urma_qpe_total_precip_2021022300_2021051200_conus.png
urma_qpe_total_precip_2021022300_2021051200_swzoom.png

JPC

Jeff Craven
Chief, Statistical Modeling Division (SMD)
Vice Lead, Innovation, Science & Technology (Evolve PMO)
National Weather Service, W/STI-12
Meteorological Development Laboratory (MDL)
Room 10410, SSMC2
Silver Spring, MD 20910
(816) 506-9783 cell/text
(301) 427-9475 office
@jpcstorm

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  • 2011 RTMA Paper (Weather and Forecasting)

    The most recent peer-reviewed paper on the RTMA. Published in Weather and Forecasting in 2011.
    7 Visits

  • Public RTMA/URMA Viewer

    Another viewer of the current RTMA/URMA, with an archive going back 24 hours. This version is open to the public, but does not contain information about the (many) restricted obs used.
    54 Visits

  • RAP downscaling conference preprint (23rd IIPS)

    This link is to a presentation from the (then) RUC group on how the downscaling process works. Although we now use the RAP, HRRR, and NAM, the logic of the downscaling code is mostly unchanged from this point.
    2 Visits