Multiple Hydrometeors All-Sky Microwave Radiance Assimilation in FV3GFS

Tong, Mingjing; Zhu, Yanqiu; Zhou, Linjiong; Liu, Emily; Chen, Ming; Liu, Quanhua; Lin, Shian-Jiann

doi:10.1175/MWR-D-19-0231.1

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Multiple Hydrometeors All-Sky Microwave Radiance Assimilation in FV3GFS

2020
By Tong, Mingjing ; Zhu, Yanqiu ; Zhou, Linjiong ; ...
Source: Monthly Weather Review, 148(7), 2971-2995 https://journals.ametsoc.org/view/journals/mwre/148/7/mwrD19023

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Journal Title:

Monthly Weather Review
Personal Author:

Tong, Mingjing ; Zhu, Yanqiu ; Zhou, Linjiong ; Liu, Emily ; Chen, Ming ; ... More +

Tong, Mingjing ; Zhu, Yanqiu ; Zhou, Linjiong ; Liu, Emily ; Chen, Ming ; Liu, Quanhua ; Lin, Shian-Jiann Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory) ; NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction) ; NESDIS (National Environmental Satellite, Data, and Information Service) ; ... More +

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory) ; NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction) ; NESDIS (National Environmental Satellite, Data, and Information Service) ; STAR (Center for Satellite Applications and Research) ; CIMES (Cooperative Institute for Modeling the Earth System) Less -
Description:

Motivated by the use of the GFDL microphysics scheme in the Finite-Volume Cubed-Sphere Dynamical Core Global Forecast System (FV3GFS), the all-sky radiance assimilation framework has been expanded to include precipitating hydrometeors. Adding precipitating hydrometeors allows the assimilation of precipitation-affected radiance in addition to cloudy radiance. In this upgraded all-sky framework, the five hydrometeors, including cloud liquid water, cloud ice, rain, snow, and graupel, are the new control variables, replacing the original cloud water control variable. The Community Radiative Transfer Model (CRTM) was interfaced with the newly added precipitating hydrometeors. Subgrid cloud variability was considered by using the average cloud overlap scheme. Multiple scattering radiative transfer was activated in the upgraded framework. Radiance observations from the Advanced Microwave Sounding Unit-A (AMSU-A) and the Advanced Technology Microwave Sounder (ATMS) over ocean were assimilated in all-sky approach. This new constructed all-sky framework shows neutral to positive impact on overall forecast skill. Improvement was found in 500-hPa geopotential height forecast in both Northern and Southern Hemispheres. Temperature forecast was also improved at 850 hPa in the Southern Hemisphere and the tropics.
Keywords:

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Atmospheric Sciences Meteorology
Source:

Monthly Weather Review, 148(7), 2971-2995 https://journals.ametsoc.org/view/journals/mwre/148/7/mwrD19023
DOI:

https://doi.org/10.1175/MWR-D-19-0231.1
Document Type:

Journal Article
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CC BY
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Submitted
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urn:sha256:9732d85cca8ad88e5374012a8b302abf2be706005379e29e5f3ecb140ff946d1
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https://repository.library.noaa.gov/view/noaa/29949/noaa_29949_DS1.pdf
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Multiple Hydrometeors All-Sky Microwave Radiance Assimilation in FV3GFS

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