Zobrazeno 1 - 10 of 292 pro vyhledávání: '"Juanzhen Sun"'
1
Akademický článek
Impact of Soil Moisture Updates on Temperature Forecasting
Autor: Soyoung Ha, Juanzhen Sun
Publikováno v: Geophysical Research Letters, Vol 51, Iss 15, Pp n/a-n/a (2024)
Abstract The impact of land variables on temperature forecasts in atmospheric cycling is often underestimated or overlooked. This oversight primarily occurs due to the abundance of meteorological measurements available for assimilation and partly bec
Externí odkaz: https://doaj.org/article/e5261d809e674492bbb700873f5af3f4
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2
Akademický článek
Multiscale Forecasting of High-Impact Weather: Current Status and Future Challenges.
Autor: Majumdar, Sharanya J.1 smajumdar@rsmas.miami.edu, Juanzhen Sun2, Golding, Brian3, Joe, Paul4, Dudhia, Jimy2, Caumont, Olivier5, Gouda, Krushna Chandra6, Steinle, Peter7, Vincendon, Béatrice8, Jianjie Wang9, Yussouf, Nusrat10
Publikováno v: Bulletin of the American Meteorological Society. Mar2021, Vol. 102 Issue 3, pE635-E659. 25p.
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3
Assimilation of New York State Mesonet Surface and Profiler Data for the 21 June 2021 Convective Event
Autor: Hsiao-Chun Lin, Juanzhen Sun, Tammy M. Weckwerth, Everette Joseph, Junkyung Kay
Publikováno v: Monthly Weather Review. 151:485-507
The New York State Mesonet (NYSM) has provided continuous in situ and remote sensing observations near the surface and within the lower troposphere since 2017. The dense observing network can capture the evolution of mesoscale motions with high tempo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6d3abbaa0d4e23fcc8ffd05a761d143
https://doi.org/10.1175/mwr-d-22-0136.1
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4
Akademický článek
A Dynamic Blending Scheme to Mitigate Large‐Scale Bias in Regional Models
Autor: Jin Feng, Juanzhen Sun, Ying Zhang
Publikováno v: Journal of Advances in Modeling Earth Systems, Vol 12, Iss 3, Pp n/a-n/a (2020)
Abstract Several blending methods have been developed in dynamic downscaling and rapid cycled data assimilation. Blending the large‐scale part of the global model (GM) analysis or forecast has led to improvement in regional model (RM) simulations.
Externí odkaz: https://doaj.org/article/18685860f2554457815efde47823d30d
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5
Model Predictability of Hail Precipitation with a Moderate Hailstorm Case. Part I: Impact of Improved Initial Conditions by Assimilating High-Density Observations
Autor: Rumeng Li, Juanzhen Sun, Qinghong Zhang, Anders A. Jensen
Publikováno v: Monthly Weather Review. 150:2675-2696
Hailstones have large damage potential; however, their explicit prediction remains quite challenging. The uncertainty in a model’s initial condition and microphysics are two of the significant contributors to the challenge. This two-part study aims
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e3022c806ef5aa42b84fa8ba187a965
https://doi.org/10.1175/mwr-d-21-0329.1
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6
Effects of Weather Conditions on the Public Demand for Weather Information via Smartphone in Multiple Regions of China
Autor: Yuyao Cao, Qinghong Zhang, Juanzhen Sun, Rumeng Li, Yaohai Huang, Jing Zhuang, Jun Xu, Yun Chen
Publikováno v: Weather, Climate, and Society. 14:813-822
Understanding when weather information is required by the public is essential for evaluating and improving user-oriented weather services. Because of the popularity of smartphones, most people can easily access weather information via smartphone appl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37eda43d615b29824d854531d70c5019
https://doi.org/10.1175/wcas-d-21-0155.1
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7
Mesoscale factors contributing to the extreme rainstorm on 20 July 2021 in Zhengzhou, China as revealed by rapid update 4DVar analysis
Autor: Juanzhen Sun, Rumeng LI, Qinghong Zhang, Stanley B. Trier, Zhuming Ying, Jun Xu
Publikováno v: Monthly Weather Review.
The purpose of this study is to diagnose mesoscale factors responsible for the formation and development of an extreme rainstorm that occurred on 20 July 2021 in Zhengzhou, China. The rainstorm produced 201.9 mm rainfall in one hour, breaking the rec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95b81864504b06fa45db236eb1862cd1
https://doi.org/10.1175/mwr-d-22-0337.1
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8
A Multiscale Four-dimensional Variational Data Assimilation Scheme: A Squall Line Case Study
Autor: Tao Sun, Juanzhen Sun, Yaodeng Chen, Haiqin Chen
Publikováno v: Monthly Weather Review.
This study presents a multiscale four-dimensional variational data assimilation (MS-4DVar) scheme that aims to assimilate multiscale information from conventional and radar observations. The MS-4DVar scheme separately assimilates conventional and rad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0c78cf816fe3bff1b54fa65b4abd35d
https://doi.org/10.1175/mwr-d-22-0292.1
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10
Akademický článek
Evaluation of Fengyun-4A Lightning Mapping Imager (LMI) Performance during Multiple Convective Episodes over Beijing
Autor: Zhixiong Chen, Xiushu Qie, Juanzhen Sun, Xian Xiao, Yuxin Zhang, Dongjie Cao, Jing Yang
Publikováno v: Remote Sensing, Vol 13, Iss 9, p 1746 (2021)
This study investigates the characteristics of space-borne Lightning Mapping Imager (LMI) lightning products and their relationships with cloud properties using ground-based total lightning observations from the Beijing Broadband Lightning Network (B
Externí odkaz: https://doaj.org/article/5406d9461ff644b497f4eb104d021e03
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