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Axisymmetric Tornado Simulations at High Reynolds Number
This study is the first in a series that investigates the effects of turbulence in the boundary layer of a tornado vortex. In this part, axisymmetric simulations with constant...
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Simulated frequency dependence of radar observations of tornadoes
To obtain accurate radar-measured wind measurements in tornadoes, differences between air and Doppler velocities must be corrected. These differences can cause large errors in...
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Simulated WSR-88D velocity and reflectivity signatures of numerically modeled...
Low-altitude radar reflectivity measurements of tornadoes sometimes reveal a donut-shaped signature (low-reflectivity eye surrounded by a high-reflectivity annulus) and at other...
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An eddy injection method for large-eddy simulations of tornado-like vortices
The structure and intensity of tornado-like vortices are examined using large-eddy simulations (LES) in an idealized framework. The analysis focuses on whether the simulated...
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Using high-resolution simulations to quantify underestimates of tornado inten...
Large-eddy simulations are used to produce realistic, high-resolution depictions of near-surface winds in translating tornadoes. The translation speed, swirl ratio, and vertical...
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Tornado vortex structure, intensity, and surface wind gusts in large-eddy sim...
A large-eddy simulation (LES) framework with an "eddy injection'' technique has been developed that ensures a majority of turbulent kinetic energy in numerically simulated...
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Sensitivity of tornado dynamics to soil debris loading
Past numerical simulation studies found that debris loading from sand-sized particles may substantially affect tornado dynamics, causing reductions in near-surface wind speeds...
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Modeling near-surface turbulence in large-eddy simulation of a tornado: An ap...
Unsteadiness and horizontal heterogeneities frequently characterize atmospheric motions, especially within convective storms, which are frequently studied using large-eddy...
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Moisture attribution and sensitivity analysis of a winter tornado outbreak
The tornado outbreak of 21-23 January 2017 caused 20 fatalities, more than 200 injuries, and over a billion dollars in damage in the Southeast United States. The event occurred...
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Explicit forecasts of low-level rotation from convection-allowing models for ...
Three diagnostic fields were examined to assess their ability to act as surrogates for tornadoes in a convection-allowing ensemble system run during the spring of 2015. The...
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Exploring inland tropical cyclone rainfall and tornadoes under future climate...
The overarching purpose of this study is to investigate the impacts of anthropogenic climate change both on the rainfall and tornadoes associated with tropical cyclones (TCs)...
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Assessment of biomass burning smoke influence on environmental conditions for...
We use the Weather Research and Forecasting (WRF) system to study the impacts of biomass burning smoke from Central America on several tornado outbreaks occurring in the U.S....
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Ground-based velocity track display (GBVTD) analysis of W-Band Doppler radar ...
On 15 May 1999, a storm intercept team from the University of Oklahoma collected high-resolution, W-band Doppler radar data in a tornado near Stockton, Kansas. Thirty-five...
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Numerical simulations of a tornadic supercell over the Mediterranean
On 28 November 2012, a multivortex EF3 tornado occurred in southeastern Italy causing one fatality and estimated damage of 60 million euros. At approximately 1050 LT (0950 UTC),...
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Simulating North American mesoscale convective systems with a convection-perm...
Deep convection is a key process in the climate system and the main source of precipitation in the tropics, subtropics, and mid-latitudes during summer. Furthermore, it is...
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VAPOR: A visualization package tailored to analyze simulation data in Earth s...
Visualization is an essential tool for analysis of data and communication of findings in the sciences, and the Earth System Sciences (ESS) are no exception. However, within ESS,...
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Simulations of severe convective systems using 1- versus 3-km grid spacing
Herein, 14 severe quasi-linear convective systems (QLCS) covering a wide range of geographical loca-tions and environmental conditions are simulated for both 1-and 3-km...
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Relationship of convection initiation and subsequent storm strength to ensemb...
A 50-member convection-allowing ensemble was used to examine environmental factors influencing afternoon convection initiation (CI) and subsequent severe weather on 5 April 2017...
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An iterative storm segmentation and classification algorithm for convection-a...
Thunderstorm mode strongly impacts the likelihood and predictability of tornadoes and other hazards, and thus is of great interest to severe weather forecasters and researchers....
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An investigation of the Goshen County, Wyoming, tornadic supercell of 5 June ...
High-resolution Doppler radar velocities and in situ surface observations collected in a tornadic supercell on 5 June 2009 during the second Verification of the Origins of...
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