Impact of High Temporal Resolution FY‐4A Geostationary Interferometric Infrared Sounder (GIIRS) Radiance Measurements on Typhoon Forecasts: Maria (2018) Case With GRAPES Global 4D‐Var Assimilation System

Yin, Ruoying; Han, Wei; Gao, Zhiqiu; Li, Jun

doi:10.1029/2021gl093672

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Impact of High Temporal Resolution FY‐4A Geostationary Interferometric Infrared Sounder (GIIRS) Radiance Measurements on Typhoon Forecasts: Maria (2018) Case With GRAPES Global 4D‐Var Assimilation System

2021
By Yin, Ruoying ; Han, Wei ; Gao, Zhiqiu ; ...
Source: Geophysical Research Letters, 48(15)

[PDF-3.00 MB]

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Journal Title:

Geophysical Research Letters
Personal Author:

Yin, Ruoying ; Han, Wei ; Gao, Zhiqiu ; Li, Jun

Yin, Ruoying ; Han, Wei ; Gao, Zhiqiu ; Li, Jun Less -
NOAA Program & Office:

CIMSS (Cooperative Institute for Meteorological Satellite Studies)
Description:

Targeted observations for Typhoon Maria (2018) using the Geostationary Interferometric Infrared Sounder (GIIRS) at a temporal resolution of 15 min provide unprecedented information for impact studies of high-temporal-resolution from geostationary hyperspectral IR sounders. This study investigates the impacts of different temporal resolutions for GIIRS assimilation on Maria analyses and forecasts. Results reveal that assimilating higher resolution data captures more detailed temporal and spatial structures and stronger warm anomalies. Additionally, the track forecast for Maria from assimilating higher temporal resolution GIIRS radiances is better than those from assimilating radiances
Keywords:

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General Earth And Planetary Sciences Geophysics
Source:

Geophysical Research Letters, 48(15)
DOI:

https://doi.org/10.1029/2021gl093672
ISSN:

0094-8276;1944-8007;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
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Main Document Checksum:

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urn:sha256:93783ddff405f2c55e41aa788993f503ddc4898c3da6a0effcfaa6a197c862ea
Download URL:

https://repository.library.noaa.gov/view/noaa/55146/noaa_55146_DS1.pdf
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