Results 1 to 10 of about 292,048 (261)

The Impact of Autoconversion Parameterizations of Cloud Droplet to Raindrop on Numerical Simulations of a Meiyu Front Heavy Rainfall Event

Atmosphere, 2023
This study analyzes the different impacts of autoconversion of cloud droplets to raindrops (ACR) in a Meiyu front rainfall event by comparing two simulations using different parameterizations (KK00 and LD04) in the Weather Research and Forecasting (WRF ...
Zhaoping Kang, Zhimin Zhou, Yuting Sun, Yang Hu, Dengxin He   +4 more
doaj   +1 more source

Numerical simulation and analysis on cloud microphysical characteristics during a Meiyu heavy rainfall event in Hubei province

暴雨灾害, 2023
Affected by a trough and shear line, a Meiyu heavy rainfall event occurred in Hubei Province from June 27th to 28th in 2020, resulting in severe disasters and significant economic losses..
Zhimin ZHOU, Bin WANG, Yinglian GUO, Muyun DU, Zhaoping KANG, Yuting SUN   +5 more
doaj   +1 more source

Optimization of Probability Density Functions Applicable for Hourly Rainfall

Atmosphere, 2023
In order to improve the calculation accuracy of the rainfall probability distribution in related applications, this study aimed to select a theoretical function from applicable functions for three classes of the class-conditional probability density ...
Tieyuan Shen, Yiheng Xiang
doaj   +1 more source

Analysis of the Characteristics of Uneven Spatio-Temporal Distribution in Wujiang River Basin over the Last 60 Years

Atmosphere, 2023
Exploring the characteristics of uneven temporal and spatial distribution of precipitation in mountain watersheds can provide a reference for regional agricultural development and resource utilization, and contribute to the protection of the ecological ...
Junchao Wang, Tao Peng, Yiheng Xiang, Zhiyuan Yin, Haixia Qi   +4 more
doaj   +1 more source

Technical Evaluation of Precipitation Forecast by Blending Weather Radar Based on New Spatial Test Method

Remote Sensing, 2023
The Fourier–Merlin transform method, multi-scale optical flow method, and Weibull distribution are used to integrate the GRAPES_3 km model and Radar Extrapolation Forecast (REF) both developed independently by China.
Junchao Wang, Zhibin Wang, Jintao Ye, Anwei Lai, Hedi Ma, Wen Zhang   +5 more
doaj   +1 more source

Vertical structures of raindrop size distributions over the middle and lower reaches of Yangtze River during the Meiyu period in 2020

暴雨灾害, 2023
Droplet size distribution (DSD) is an important parameter reflecting microphysical characteristics of rainfalls, research on vertical structures of DSD is helpful to understand rainfall evolution processes and improve radar quantitative precipitation ...
Lingli ZHOU, Zhikang FU, Guirong XU, Jixin WANG, Bin WANG   +4 more
doaj   +1 more source

Comparative evaluation of different stochastic perturbation schemes within the convection-allowing ensemble forecast of rainstorm in WRF model

暴雨灾害, 2023
Because of the small disturbance energy of random parameter in the rainstorm convective-allowing ensemble forecast model, a convective-allowing ensemble forecasting test based on WRFv3.9 model was carried out for a heavy rainstorm case in the Yangtze ...
Jie XIONG, Jun LI, Minghuan WANG
doaj   +1 more source

Diurnal Characteristics of Heavy Precipitation Events under Different Synoptic Circulation Patterns in the Middle and Lower Reaches of the Yangtze River in Summer

Atmosphere, 2023
Aiming at the rainstorm days (≥50 mm/d) in the middle and lower reaches of the Yangtze River during 2010–2020, the obliquely rotated principal component in T-mode (PCT) method is used to classify the daily mean 850 hPa geopotential height, including Type
Haixia Qi, Chunze Lin, Tao Peng, Xiefei Zhi, Chunguang Cui, Wen Chen, Zhiyuan Yin, Tieyuan Shen, Yiheng Xiang   +8 more
doaj   +1 more source

Evaluating Simulated Microphysics of Stratiform and Convective Precipitation in a Squall Line Event Using Polarimetric Radar Observations

Remote Sensing, 2023
Recent upgrades to China’s radar network now allow for polarimetric measurements of convective systems in central China, providing an effective data set with which to evaluate the microphysics schemes employed in local squall line simulations.
Yuting Sun, Zhimin Zhou, Qingjiu Gao, Hongli Li, Minghuan Wang   +4 more
doaj   +1 more source

Numerical modelling of heavy rainfall event over Madeira Island in Portugal: sensitivity to different micro physical processes [PDF]

, 2015
Madeira Island, Portugal, experienced intense heavy rainfall on 20 February 2010 which caused loss of more than 40 lives and great damage. This is recorded as one of the major flash flood events during the past three decades.
Cotton, Couto, Dudhia, Ferrier, Ferrier, Fragoso, Gilmore, Gilmore, Grubisic, Guttman, Hong, Hong, Hong, Hong, Jolliffe, Kain, Kessler, Khain, Koenig, Lin, Liu, Liu, Luna, McCumber, Mlawer, Morrison, Morrison, Murphy, Petersen, Skamarock, Thompson, Thompson, Walko   +32 more
core   +1 more source