Results 21 to 30 of about 76,613 (110)

Mesoscale analysis of a downburst process in Yichang three gorges dam area on 29 July 2017

open access: yes暴雨灾害, 2023
Based on conventional observation data, regional station observation data, EC reanalysis data, FY-2G satellite data, and radar data, a downburst in Yichang on 29 July 2017 was analyzed.
Yu XIA, Fang LI, Miao TANG, Dan YE
doaj   +1 more source

Research on Operation Safety of Offshore Wind Farms

open access: yesJournal of Marine Science and Engineering, 2021
The operation of offshore wind farms is characterized by a complicated operational environment, long project cycle, and complex vessel traffic, which lead to safety hazards.
Junmin Mou   +3 more
doaj   +1 more source

Automatic Recognition Algorithm of Convergence Region Based on Relative Storm Radial Velocity Field

open access: yes应用气象学报, 2021
An algorithm for automatically identifying the mid-altitude radial convergence from the storm-relative radial velocity field is proposed. The algorithm first identifies the positive-negative velocity segments in each radial direction on the single ...
Zhu Li, Kang Lan
doaj   +1 more source

Comparative analysis of two squall line events under low-level warm convection forcing in Hunan

open access: yes暴雨灾害, 2019
Based on conventional observations, Doppler weather radar date, NCEP/NCAR reanalysis data with 1°×1° resolution and other data, we have performed a comparative analysis between two squall line events (hereinafter referred to as the "5·11" event and the ...
Minghui TANG   +3 more
doaj   +1 more source

Application of severe convection weather conceptual model to forecast of an extreme gale event occurred in Jiangxi on 4 March 2018

open access: yes暴雨灾害, 2019
The severe convective weather potential forecast, especially classification forecast of more than 12 hours in future is still one of the most difficult problems in forecasting operation at present.
Bin XU   +3 more
doaj   +1 more source

Analysis of evolution and abnormal characteristics on the pre-TC squall line of typhoon Lekima (2019)

open access: yes暴雨灾害, 2022
Based on the Doppler radar, wind profile radar, FY-4A black body temperature (TBB), ground-based microwave radiomter, automatic ground stations and ERA5 reanalysis data, the process evolution and abnormal characteristics of the location, direction of ...
Xiaohong LIN   +5 more
doaj   +1 more source

Synthetic discussion on the causes and early-warnings of the first wind-hail strong convection weather over Hunan in 2018

open access: yes暴雨灾害, 2020
Based on the conventionally observed data, NCEP 6 hourly reanalyzed data, FY-2G satellite TBB data and Doppler weather radar data, we analyze the causes of the first wind-hail strong convection weather process over Hunan on 4 March 2018, and then explore
Qingxia WANG   +5 more
doaj   +1 more source

Analysis of the observations for a supercell causing extreme gale in Lingui

open access: yes暴雨灾害, 2019
Extreme gale of 60.3 m·s-1 was recorded by the national meteorological observation station at Lingui in Guangxi at 21:13 BT 21 March 2019, breaking the historical extreme value since the establishment of Guangxi meteorological stations.
Liping ZHAI   +3 more
doaj   +1 more source

Analysis of radar echo characteristics of rare force 10 gale with a strong squall line event in Jiangxi

open access: yes暴雨灾害, 2019
Using the products from Doppler weather radars at Yichun, Nanchang, Jingdezhen and other places, as well as conventional observations and observational data from regional automatic weather stations, we have conducted an analysis of the cause and radar ...
Chi ZHANG, Shulin ZHI, Aihua XU
doaj   +1 more source

Improved thunderstorm weather information for pilots through ground and satellite based observing systems [PDF]

open access: yes, 2010
Today’s weather information for pilots on thunderstorm conditions on their flight path is insufficient. Weather charts provided by the World Area Forecasting Centres and taken onboard by pilots before take-off are based on forecasts of large scale ...
Guillou, Yann   +5 more
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