Evaluation of Environmental Moisture from NWP Models with Measurements from Advanced Geostationary Satellite Imager—A Case Study

Jiang, Xiaowei; Li, Jun; Li, Zhenglong; Xue, Yunheng; Di, Di; Wang, Pei; Li, Jinlong

doi:10.3390/rs12040670

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Evaluation of Environmental Moisture from NWP Models with Measurements from Advanced Geostationary Satellite Imager—A Case Study

2020
By Jiang, Xiaowei ; Li, Jun ; Li, Zhenglong ; ...
Source: Remote Sensing, 12(4), 670

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Details:

Journal Title:

Remote Sensing
Personal Author:

Jiang, Xiaowei ; Li, Jun ; Li, Zhenglong ; Xue, Yunheng ; Di, Di ; ... More +

Jiang, Xiaowei ; Li, Jun ; Li, Zhenglong ; Xue, Yunheng ; Di, Di ; Wang, Pei ; Li, Jinlong Less -
NOAA Program & Office:

CIMSS (Cooperative Institute for Meteorological Satellite Studies) ; NESDIS (National Environmental Satellite, Data, and Information Service)

CIMSS (Cooperative Institute for Meteorological Satellite Studies) ; NESDIS (National Environmental Satellite, Data, and Information Service) Less -
Description:

The distribution of tropospheric moisture in the environment is highly associated with storm development. Therefore, it is important to evaluate the uncertainty of moisture fields from numerical weather prediction (NWP) models for better understanding and enhancing storm prediction. With water vapor absorption band radiance measurements from the advanced imagers onboard the new generation of geostationary weather satellites, it is possible to quantitatively evaluate the environmental moisture fields from NWP models. Three NWP models—Global Forecast System (GFS), Unified Model (UM), Weather Research and Forecasting (WRF)—are evaluated with brightness temperature (BT) measurements from the three moisture channels of Advanced Himawari Imager (AHI) onboard the Himawari-8 satellite for Typhoon Linfa (2015) case. It is found that the three NWP models have similar performance for lower tropospheric moisture, and GFS has a smaller bias for middle tropospheric moisture. Besides, there is a close relationship between moisture forecasts in the environment and the tropical cyclone (TC) track forecasts in GFS, while regional WRF does not show this pattern. When the infrared and microwave sounder radiance measurements from polar orbit satellite are assimilated in regional WRF, it is clearly shown that the environment moisture fields are improved compared with that with only conventional data are assimilated.
Source:

Remote Sensing, 12(4), 670
DOI:

https://doi.org/10.3390/rs12040670
ISSN:

2072-4292
Format:

PDF
Publisher:

MDPI AG
Document Type:

Journal Article
Funding:

Grant no. NA15NES4320001
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
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Library
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urn:sha-512:81583f0b8e290de925739646341547f4efa9161f7d98d3a9b8c58c814a38cf872472a5e23e23ea235f0710e463172fb1b56cfa2ca4f14373a9c437676dd09a4c
Download URL:

https://repository.library.noaa.gov/view/noaa/65501/noaa_65501_DS1.pdf
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[PDF-9.06 MB]