Application of the 4-D MclDAS to a Model Diagnostic Study of the Presidents' Day Cyclone

Application of the 4-D MclDAS to a Model Diagnostic Study of the Presidents' Day Cyclone The four-dimensional (4-D) MclDAS system is applied to a numerical simulation of the rapid development phase of the Presidents' Day cyclone. Selected frames from a videotape of the model simulation are presented to illustrate the evolution of the upper- and lower-tropospheric potential vorticity maxima prior to and during rapid cyclogenesis. The 4-D structure of various airstreams converging toward the cyclone center are also displayed. Our experience with 4-D displays of model output indicates that these systems offer a tremendous opportunity to manage and dissect the information content inherent in numerical simulations. The production of the visualizations of the Presidents' Day cyclone also confirmed a need for an interactive system capable of producing various perspectives in real time, a requirement being addressed with the development of a new workstation at the University of Wisconsin Space Science and Engineering Center. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

Application of the 4-D MclDAS to a Model Diagnostic Study of the Presidents' Day Cyclone

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Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
D.O.I.
10.1175/1520-0477(1989)070<1394:AOTDMT>2.0.CO;2
Publisher site
See Article on Publisher Site

Abstract

The four-dimensional (4-D) MclDAS system is applied to a numerical simulation of the rapid development phase of the Presidents' Day cyclone. Selected frames from a videotape of the model simulation are presented to illustrate the evolution of the upper- and lower-tropospheric potential vorticity maxima prior to and during rapid cyclogenesis. The 4-D structure of various airstreams converging toward the cyclone center are also displayed. Our experience with 4-D displays of model output indicates that these systems offer a tremendous opportunity to manage and dissect the information content inherent in numerical simulations. The production of the visualizations of the Presidents' Day cyclone also confirmed a need for an interactive system capable of producing various perspectives in real time, a requirement being addressed with the development of a new workstation at the University of Wisconsin Space Science and Engineering Center.

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: Nov 1, 1989

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