Large-Eddy Simulation of an Idealized Tropical Cyclone

Large-Eddy Simulation of an Idealized Tropical Cyclone INSIGHTS and INNOVATIONS Large-Eddy Simulation of an Idealized Tropical Cyclone BY R . ROTUNNO, Y. CHEN , W . WANG , C . DAVIS, J . DUDHIA, AND G . J . HOLLAND dvances in computing have allowed present- given sufficient resolution. Here we show that using day numerical weather-prediction models a horizontal grid size < 100 m in a TC simulation Ato forecast and/or simulate tropical cyclones produces three-dimensional turbulent eddies, which (TCs) with high resolution (horizontal grid spacing have the effect of decreasing the maximum sustained ~1 km). While these numerical models of TCs can (1-min average) wind and the maximum predicted capture many of their important structural features azimuthally averaged wind. (eyewall, rainbands, etc.), the effects of small-scale [~ 0 (100 m)], three-dimensional turbulence must TURBULENC E EFFECT S I N TROPICAL - still be parameterized. No objective basis has yet been CYCLON E MODELS . Existing tropical-cyclone found for such parameterizations, yet the maximum models need to simulate circulations reaching outward wind speeds in axisymmetric numerical TC models to a distance of ~ 0 (1,000 km) from the TC center. have been shown to be highly sensitive to the radial Modern-day computers have allowed real-time http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

Large-Eddy Simulation of an Idealized Tropical Cyclone

Loading next page...
 
/lp/ams/large-eddy-simulation-of-an-idealized-tropical-cyclone-4LlEypIrPV
Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
D.O.I.
10.1175/2009BAMS2884.1
Publisher site
See Article on Publisher Site

Abstract

INSIGHTS and INNOVATIONS Large-Eddy Simulation of an Idealized Tropical Cyclone BY R . ROTUNNO, Y. CHEN , W . WANG , C . DAVIS, J . DUDHIA, AND G . J . HOLLAND dvances in computing have allowed present- given sufficient resolution. Here we show that using day numerical weather-prediction models a horizontal grid size < 100 m in a TC simulation Ato forecast and/or simulate tropical cyclones produces three-dimensional turbulent eddies, which (TCs) with high resolution (horizontal grid spacing have the effect of decreasing the maximum sustained ~1 km). While these numerical models of TCs can (1-min average) wind and the maximum predicted capture many of their important structural features azimuthally averaged wind. (eyewall, rainbands, etc.), the effects of small-scale [~ 0 (100 m)], three-dimensional turbulence must TURBULENC E EFFECT S I N TROPICAL - still be parameterized. No objective basis has yet been CYCLON E MODELS . Existing tropical-cyclone found for such parameterizations, yet the maximum models need to simulate circulations reaching outward wind speeds in axisymmetric numerical TC models to a distance of ~ 0 (1,000 km) from the TC center. have been shown to be highly sensitive to the radial Modern-day computers have allowed real-time

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: Dec 1, 2009

There are no references for this article.

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 12 million articles from more than
10,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Unlimited reading

Read as many articles as you need. Full articles with original layout, charts and figures. Read online, from anywhere.

Stay up to date

Keep up with your field with Personalized Recommendations and Follow Journals to get automatic updates.

Organize your research

It’s easy to organize your research with our built-in tools.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

Monthly Plan

  • Read unlimited articles
  • Personalized recommendations
  • No expiration
  • Print 20 pages per month
  • 20% off on PDF purchases
  • Organize your research
  • Get updates on your journals and topic searches

$49/month

Start Free Trial

14-day Free Trial

Best Deal — 39% off

Annual Plan

  • All the features of the Professional Plan, but for 39% off!
  • Billed annually
  • No expiration
  • For the normal price of 10 articles elsewhere, you get one full year of unlimited access to articles.

$588

$360/year

billed annually
Start Free Trial

14-day Free Trial