Issues

• Issues with HRRR and RRFS irradiance fields

  HRRRRRFS
  NOAA-EMC/UPP#1618 · Filter by author EricJames-NOAA opened on Sep 29, 2026
  2

• Add GEFS icing and turbulence to UPP for WAFS

  WAFS
  NOAA-EMC/UPP#1603 · Filter by author YaliMao-NOAA opened on Sep 2, 2026
  

• Remove T80 filtering for PRMSL in GEFSv12

  GEFSV12
  NOAA-EMC/UPP#1600 · Filter by author bingfu-NOAA opened on Aug 28, 2026
  1

• Missing reflectivity variables in MPAS

  MPAS
  NOAA-EMC/UPP#1599 · Filter by author EricJames-NOAA opened on Aug 27, 2026

• Modify certain fields to use MYNN PBL height instead of Richardson number based PBL height

  RRFS
  NOAA-EMC/UPP#1574 · Filter by author EricJames-NOAA opened on Jul 21, 2026
  3

  

• Updates in develop branch since 05/2026

  NOAA-EMC/UPP#1524 · Filter by author WenMeng-NOAA opened on May 1, 2026
  33

• Upgrade WM to spack-stack 2.1.0

  enhancementEPIC Support Requested
  NOAA-EMC/UPP#1489 · Filter by author gspetro-NOAA opened on Apr 2, 2026
  13

  

• GPU CAPE/CIN kernel — 19-48x speedup, 500K columns all match within 1 J/kg

  NOAA-EMC/UPP#1480 · Filter by author consigcody94 opened on Mar 27, 2026
  1

• Incorporate a test_changes.list file for better tracking and identification of changed baseline files

  NOAA-EMC/UPP#1435 · Filter by author clyden-noaa opened on Feb 11, 2026

• Negative accumulated precipitation across forecast times from GFSv16 output

  GFSV16
  NOAA-EMC/UPP#1430 · Filter by author ChristopherHill-NOAA opened on Feb 3, 2026
  12

  

• UPP RT errors in debug mode

  bugEPIC Support Requested
  NOAA-EMC/UPP#1291 · Filter by author gspetro-NOAA opened on Aug 6, 2025

• Request output of freezing spray products at GEFS v12.4

  GEFSV12
  NOAA-EMC/UPP#1276 · Filter by author WenMeng-NOAA opened on Jul 22, 2025
  1

• Surface runoff variable is mis-named in INITPOST_MPAS

  MPAS
  NOAA-EMC/UPP#1212 · Filter by author EricJames-NOAA opened on May 20, 2025
  1

• Compile UPP on Acorn

  enhancement
  NOAA-EMC/UPP#1102 · Filter by author SamuelTrahanNOAA opened on Dec 12, 2024
  6

• Customer reported a potential issue with GFS tropopause height

  GFS
  NOAA-EMC/UPP#1055 · Filter by author HuiyaChuang-NOAA opened on Sep 30, 2024
  13

  

• update CMake build to require versions of NCEPLIBS

  enhancementEPIC Support Requested
  NOAA-EMC/UPP#1028 · Filter by author edwardhartnett opened on Aug 28, 2024
  4

• Freezing Level Calculation in UPP

  enhancement
  NOAA-EMC/UPP#1005 · Filter by author WenMeng-NOAA opened on Jul 30, 2024
  12

  

• Update GEFS to output numerical icing severity and remove ICIP

  GEFSV13
  NOAA-EMC/UPP#893 · Filter by author HuiyaChuang-NOAA opened on Mar 12, 2024 · ICAO 2027
  7

  

• Allocation and initialization of fld_info array

  Clean upEPIC Support Requested
  NOAA-EMC/UPP#587 · Filter by author DusanJovic-NOAA opened on Oct 28, 2022
  4

• post filename needs to have full time stamp when the forecast time is not integer hour

  bug
  NOAA-EMC/UPP#401 · Filter by author junwang-noaa opened on Oct 1, 2021
  4

  

• Set up in-line post test procedure

  enhancement
  NOAA-EMC/UPP#273 · Filter by author WenMeng-NOAA opened on Mar 2, 2021
  7