A Description of the Unified Gravity Wave Physics Package

Toy, Michael D.; Olson, Joseph B.; Yang, Fanglin; Yang, Bo; Hong, Song-You

doi:10.25923/v2kx-8e10

i

A Description of the Unified Gravity Wave Physics Package

2025
By Toy, Michael D. ; Olson, Joseph B. ; Yang, Fanglin ; ...
Series: NOAA technical memorandum OAR GSL 74

Details

Personal Author:

Toy, Michael D. ; Olson, Joseph B. ; Yang, Fanglin ; Yang, Bo ; Hong, Song-You
Corporate Authors:

Global Systems Laboratory (U.S.) ; University of Colorado Boulder. Cooperative Institute for Research in Environmental Sciences. ; Environmental Modeling Center (U.S.) ; Physical Sciences Laboratory (U.S.) ; Lynker Corporation.
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GSL (Global Systems Laboratory) ; PSL (Physical Sciences Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) ; NWS (National Weather Service) ; EMC (Environmental Modelling Center) ; NCEP (National Centers for Environmental Prediction)
Description:

Non-orographic, subgrid-scale gravity wave sources must also be parameterized to ensure realistic forecasts of winds in the middle atmosphere. These sources include deep convection, frontal instability, and stratified shear instability associated with the tropospheric jet. NOAA’s NWP models have integrated parameterizations for these non-stationary gravity wave drag effects. All of these drag-related impacts on the atmospheric flow are meant to be represented within a single physics parameterization suite for use in operational weather forecasting. This memorandum documents each component of the Unified Gravity Wave Physics (UGWP) Suite that is being developed within the framework of NOAA’s Unified Forecast System (UFS).
Keywords:

Global Forecast System Gravity Wave Drag NRDD Project Number ; 22380 Physics Parameterizations Unified Forecast System
Series:

NOAA technical memorandum OAR GSL 74
DOI:

https://doi.org/10.25923/v2kx-8e10
Format:

pdf
Document Type:

Technical Memorandum
Funding:

Grant no. NA17OAR4320101 ; Grant no. NA22OAR4320151
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Submitted
Main Document Checksum:

urn:sha-512:2b31f8a0e155b79300c587b2ed0e3dd1b472ad81e0602bbea4810f2b6ae4f6808e9ee925cd0d9a510229c692345034df7c40dec7e7af8aa6a4e22c82210fcc60
Download URL:

https://repository.library.noaa.gov/view/noaa/70866/noaa_70866_DS1.pdf
File Type:

[PDF - 2.49 MB ]

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