Published June 23, 2022 | Version v2.0.0
Software Open

Unified Forecast System (UFS) Short-Range Weather (SRW) Application

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Description

The Unified Forecast System (UFS) is a community-based, coupled, comprehensive Earth modeling system. It is designed to be the source system for NOAA’s operational numerical weather prediction applications while enabling research, development, and contribution opportunities for the broader weather enterprise. For more information about the UFS, visit the UFS Portal.

The UFS includes multiple applications that support different forecast durations and spatial domains. This documentation describes the UFS Short-Range Weather (SRW) Application, which targets predictions of atmospheric behavior on a limited spatial domain and on time scales from minutes to several days. The development branch of the application is continually evolving as the system undergoes open development. The SRW App v2.0.0 release represents a snapshot of this continuously evolving system.

The SRW Application v2.0.0 includes a prognostic atmospheric model, pre- and post-processing, and a community workflow for running the system end-to-end. These components are documented within this User's Guide and supported through a community forum. New and improved capabilities for this release include the addition of a verification package (METplus) for both deterministic and ensemble simulations and support for four Stochastically Perturbed Perturbation (SPP) schemes. Future work will expand the capabilities of the application to include data assimilation (DA) and a forecast restart/cycling capability.

The UFS SRW App User's Guide associated with the development branch can be accessed here, while the guide specific to the SRW App v2.0.0 release can be found here. The link to the GitHub repository is: https://github.com/ufs-community/ufs-srweather-app.

Notes

## Overview This project includes a mix of the following: - Open source works that are not in the public domain - Open source works by the U.S. Government that is in the public domain ## Parts of this project that are not in the public domain This project utilizes the following unmodified works under various licenses, as shown below. - Atmos cube sphere dycore: [GNU Lesser General Public License 3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) (LGPL) - FV3 Atm: [GNU Lesser General Public License 3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) (LGPL) - NEMS: [GNU Lesser General Public License 3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) (LGPL) - FMS: [GNU Lesser General Public License 3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) (LGPL) - Stochastic Physics: [GNU Lesser General Public License 3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) (LGPL) - CCPP Physics: [Apache 2.0](https://www.apache.org/licenses/LICENSE-2.0) - CCPP Framework: [Apache 2.0](https://www.apache.org/licenses/LICENSE-2.0) - UPP: [GNU Lesser General Public License 3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) (LGPL) - UFS Utils: [GNU Lesser General Public License 3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) (LGPL) - Regional Workflow: [CC0 1.0 Universal public domain dedication (CC0)](https://creativecommons.org/publicdomain/zero/1.0) ## The rest of this project is in the worldwide public domain As a work of the United States Government, this project is in the public domain within the United States. Additionally, NOAA waives copyright and related rights in the work worldwide through the [CC0 1.0 Universal public domain dedication](https://creativecommons.org/publicdomain/zero/1.0/). ## CC0 1.0 Universal Summary This is a human-readable summary of the [Legal Code (read the full text)](https://creativecommons.org/publicdomain/zero/1.0/legalcode). ## No copyright The person who associated a work with this deed has dedicated the work to the public domain by waiving all of his or her rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission. ## Other information In no way are the patent or trademark rights of any person affected by CC0, nor are the rights that other persons may have in the work or in how the work is used, such as publicity or privacy rights. Unless expressly stated otherwise, the person who associated a work with this deed makes no warranties about the work, and disclaims liability for all uses of the work, to the fullest extent permitted by applicable law. When using or citing the work, you should not imply endorsement by the author or the affirmer. ## Contributions to this project All contributions to this project will be released under the CC0 dedication. By submitting a pull request, you are agreeing to comply with this waiver of copyright interest.

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