Results 61 to 70 of about 913 (177)
A slice of research pertinent to the analytical or empirical models of downburst winds was available, but the current validation was usually based on sampled wind velocities at several typical positions in the experimental measurements rather than the ...
Bowen Yan +6 more
doaj +1 more source
A study of the 23 October 2022 southern England damaging MCS
During the afternoon of 23 October 2022, a mesoscale convective system (MCS) developed and intensified over the English Channel and tracked north‐northeastward into southern England, producing widespread damaging winds and at least three moderate to strong tornadoes in Hampshire.
Kenneth Pryor +3 more
wiley +1 more source
Wind Loads on Transmission Line Structures in Simulated Downbursts [PDF]
Downbursts pose a recognized threat to transmission line networks in South-east Queensland, and many other regions around the world. However, when assessing the structural adequacy of transmission line structures, design codes assume that an atmospheric ...
Albermani, Faris G. +2 more
core
Abstract Monin‐Obukhov similarity theory (MOST) is widely used in numerical weather prediction to model surface fluxes of momentum, heat, and water vapor. However, MOST is based on assumptions of steady state and horizontally homogeneous turbulence that can lead to prediction errors in and around convective storms.
Jesse Castillo, Ian N. Williams
wiley +1 more source
Abstract Large eddy simulations (LES) can aid the prediction of wind loading on buildings, provided that representative inflow turbulence properties are prescribed. This study conducts LES to assess the sensitivity of the mean, root mean square (rms) fluctuation, and peak pressure coefficients (Cp) on building surfaces to the uncertainties in the ...
L. W. Chew +3 more
wiley +1 more source
Strong localized downbursts generated in thunderstorms can produce surface winds very dangerous for civil structures and infrastructures. Modelling and simulating such severe wind systems is therefore extremely important for structural safety and design ...
Massimiliano Burlando, Andi Xhelaj
core +1 more source
Observations of a frontal–trough merger over a wildfire, Queensland, Australia
Observations are presented of the meteorology of a frontal–trough merger in subtropical Australia which impacted a wildfire. An elevated nocturnal mixed layer above approx. 2500 m with increasing moisture with height was identified as the source of instability that resulted in the formation of elevated storms along a 300‐km frontal–trough boundary ...
Hamish McGowan +3 more
wiley +1 more source
Predicting small-scale, short-lived downbursts : case study with the NWP limited-area ALARO model for the Pukkelpop thunderstorm [PDF]
The authors consider a thunderstorm event in 2011 during a music festival in Belgium that produced a short-lived downburst of a diameter of less than 100 m.
Smet, Geert +6 more
core +1 more source
Abstract Satellite precipitation retrieval is inherently an underdetermined inverse problem where additional physical constraints could substantially enhance accuracy. While previous studies have explored static (pixel‐based/spatial‐context‐based) environmental variables at discrete satellite observation times, their temporal dynamic information ...
Runze Li +2 more
wiley +1 more source
Research on flow field characteristics of moving downburstsand dynamic response of wind turbines
The moving downburst, influenced by the atmospheric boundary layer wind, results in a constantly shifting jet center, causing significant changes in the wind field structure and radial velocity characteristics compared to stationary downbursts.
Yan Wang +4 more
doaj +1 more source

