SC13 Home > SC13 Schedule > SC13 Presentation - Ultra-High Resolution Simulation of a Downburst-Producing Thunderstorm

SCHEDULE: NOV 16-22, 2013

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Ultra-High Resolution Simulation of a Downburst-Producing Thunderstorm

SESSION: Scientific Visualization Showcase Exhibit

EVENT TYPE: Scientific Visualization Showcases

TIME: 8:30AM - 5:00PM

AUTHOR(S):Robert Sisneros, Leigh Orf, George Bryan

ROOM:Mile High Pre-Function

In this work we investigate simulation data from the CM1 cloud model. Specifically, typical thunderstorms are simulated under environmental conditions known to produce downbursts, such as those in the High Plains. A downburst is created by a column of sinking air that, upon impinging the ground, can create an outburst of damaging winds. Understanding the specific capabilities of downbursts is critically important to the maintenance of structures susceptible to these intense downdrafts, such as power transmission lines. In this video we first provide a cloud- and precipitation- based overview of a downburst-producing thunderstorm. We then provide the context to transition from the more recognizable and general features of the thunderstorm to those pertaining to downbursts. In high-detail we illustrate the significant small-scale characteristics of the downburst. Video link:

Chair/Author Details:

Robert Sisneros - University of Illinois at Urbana-Champaign

Leigh Orf - Central Michigan University

George Bryan - National Center for Atmospheric Research

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