Welcome to the UPP User’s Guide

• 1. Background Information
  • 1.1. Introduction
    • 1.1.1. Terms of Use Notice
  • 1.2. Technical Overview
    • 1.2.1. System Architecture Overview
    • 1.2.2. UPP Directory Structure
  • 1.3. Acknowledgments
• 2. Building, Running, and Testing the UPP
  • 2.1. UPP Inputs and Outputs
    • 2.1.1. Input Files
    • 2.1.2. Output Files
  • 2.2. Building UPP Stand-Alone
    • 2.2.1. Software Requirements
    • 2.2.2. Obtaining and Installing UPP
  • 2.3. Running UPP Stand-Alone
    • 2.3.1. Run Script Overview
  • 2.4. Testing the UPP
    • 2.4.1. Running UPP Regression Tests
    • 2.4.2. Additional Configuration
• 3. Customizing the UPP
  • 3.1. Adding a New Variable
    • 3.1.1. Process Overview: Adding a New Variable
    • 3.1.2. Example Procedure: Steps for adding a new variable ‘TG3’
  • 3.2. Regridding
    • 3.2.1. Examples of wgrib2
• 4. Reference
  • 4.1. Frequently Asked Questions
    • 4.1.1. Is UPP compatible with NetCDF4?
    • 4.1.2. How do I compile on another platform/compiler?
    • 4.1.3. How can I output satellite fields with the Unified Post Processor (UPP)?
    • 4.1.4. How do I add a new variable to UPP output?
    • 4.1.5. Why is the variable I requested not present in the UPP output?
    • 4.1.6. If the UPP fails, how do I troubleshoot the problem?
    • 4.1.7. How do I regrid UPP output to another domain or projection?
    • 4.1.8. I am running UPP in parallel, but it fails.
    • 4.1.9. My FV3GFS unipost output is on a Gaussian grid. How can I process it to another grid such as a lat-lon grid or other user-defined grid?
    • 4.1.10. What does this warning mean in my compile.log? libnemsio.a(nemsio_module_mpi.o): In function '__nemsio_module_mpi_MOD_readmpi4': nemsio_module_mpi.f90:(.text+0x1088): undefined reference to 'mpi_type_create_indexed_block_'
    • 4.1.11. Why do I see ** FATAL ERROR: Statistical processing bad n=0 ** when using the wgrib2 utility on my UPP output?
  • 4.2. Glossary