Vortex Initialization in the NCEP Operational Hurricane Models

Liu, Qingfu; Zhang, Xuejin; Tong, Mingjing; Zhang, Zhan; Liu, Bin; Wang, Weiguo; Zhu, Lin; Zhang, Banglin; Xu, Xiaolin; Trahan, Samuel; Bernardet, Ligia; Mehra, Avichal; Tallapragada, Vijay

doi:10.3390/atmos11090968

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

Vortex Initialization in the NCEP Operational Hurricane Models

2020
By Liu, Qingfu ; Zhang, Xuejin ; Tong, Mingjing ; ...
Source: Atmosphere, 11(9)

[PDF-4.07 MB]

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Journal Title:

Atmosphere
Personal Author:

Liu, Qingfu ; Zhang, Xuejin ; Tong, Mingjing ; Zhang, Zhan ; Liu, Bin ; ... More +

Liu, Qingfu ; Zhang, Xuejin ; Tong, Mingjing ; Zhang, Zhan ; Liu, Bin ; Wang, Weiguo ; Zhu, Lin ; Zhang, Banglin ; Xu, Xiaolin ; Trahan, Samuel ; Bernardet, Ligia ; Mehra, Avichal ; Tallapragada, Vijay Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; GFDL (Geophysical Fluid Dynamics Laboratory) ; NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction) ; ... More +

OAR (Oceanic and Atmospheric Research) ; AOML (Atlantic Oceanographic and Meteorological Laboratory) ; GFDL (Geophysical Fluid Dynamics Laboratory) ; NWS (National Weather Service) ; NCEP (National Centers for Environmental Prediction) ; EMC (Environmental Modelling Center) ; ESRL (Earth System Research Laboratory) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

This paper describes the vortex initialization (VI) currently used in NCEP operational hurricane models (HWRF and HMON, and possibly HAFS in the future). The VI corrects the background fields for hurricane models: it consists of vortex relocation, and size and intensity corrections. The VI creates an improved background field for the data assimilation and thereby produces an improved analysis for the operational hurricane forecast. The background field after VI can be used as an initial field (as in the HMON model, without data assimilation) or a background field for data assimilation (as in HWRF model)
Keywords:

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Hurricanes Weather Forecasting
Source:

Atmosphere, 11(9)
DOI:

https://doi.org/10.3390/atmos11090968
Document Type:

Journal Article
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CC BY
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Submitted
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urn:sha256:2a08c9b68e8635eb0fcc91abec99830739d9b249e1e820779c947b24fea5e396
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Vortex Initialization in the NCEP Operational Hurricane Models

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