A Preliminary Report on Doppler Radar Observation of Turbulence in a Thunderstorm PDF Download
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Author: Ralph J. Donaldson
Publisher:
ISBN:
Category : Atmospheric turbulence
Languages : en
Pages : 26
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Book Description
Vertical-incidence observations by Doppler radar of velocities in a thunderstorm reveal some regions in which the spread of velocities is unusually broad. The widths of the vertical velocity spectra are generally greatest along the edges of a major updraft, where the maximum shear in updraft speed also occurs. The observations indicate that turbulence is an important cause of the abnormally wide velocity spectra, and suggest the utility of Doppler radar measurements of the vertical velocity spectrum as an indicator of severe cloudy-air turbulence. Furthermore, vertical velocity spectra in the more convective regions of thunderstorms, where they may be seriously affected by turbulence and wind shear, probably give an exaggerated picture of the particle size distribution. (Author)
Author: Ralph J. Donaldson
Publisher:
ISBN:
Category : Atmospheric turbulence
Languages : en
Pages : 26
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Book Description
Vertical-incidence observations by Doppler radar of velocities in a thunderstorm reveal some regions in which the spread of velocities is unusually broad. The widths of the vertical velocity spectra are generally greatest along the edges of a major updraft, where the maximum shear in updraft speed also occurs. The observations indicate that turbulence is an important cause of the abnormally wide velocity spectra, and suggest the utility of Doppler radar measurements of the vertical velocity spectrum as an indicator of severe cloudy-air turbulence. Furthermore, vertical velocity spectra in the more convective regions of thunderstorms, where they may be seriously affected by turbulence and wind shear, probably give an exaggerated picture of the particle size distribution. (Author)
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1264
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Book Description
Author: Air Force Cambridge Research Laboratories (U.S.)
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 384
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 670
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Book Description
Author:
Publisher:
ISBN:
Category : Environmental geology
Languages : en
Pages : 182
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 880
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 168
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Book Description
Author:
Publisher:
ISBN:
Category : Atmosphere
Languages : en
Pages : 610
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 828
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Book Description
Author: Richard J. Doviak
Publisher: Academic Press
ISBN: 148329482X
Category : Technology & Engineering
Languages : en
Pages : 591
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Book Description
This book reviews the principles of Doppler radar and emphasizes the quantitative measurement of meteorological parameters. It illustrates the relation of Doppler radar data and images to atmospherix phenomena such as tornados, microbursts, waves, turbulence, density currents, hurricanes, and lightning. Radar images and photographs of these weather phenomena are included. - Polarimetric measurements and data processing - An updated section on RASS - Wind profilers - Observations with the WSR-88D - An updated treatment of lightning - Turbulence in the planetary boundary layer - A short history of radar - Chapter problem sets
