An Automated Method Of Predicting Clear Air Turbulence
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An Automated Method Of Predicting Clear Air Turbulence
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Author : Brian L. Belson
language : en
Publisher:
Release Date : 2004-03-01
An Automated Method Of Predicting Clear Air Turbulence written by Brian L. Belson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-03-01 with Atmospheric turbulence categories.
Clear-air turbulence (CAT) prediction is vitally important to military aviation and the successful completion of Department of Defense (DoD) operations such as air to air refueling and new national defensive weapon systems such as directed energy platforms. The unique mission requirements of military aircraft often require strict avoidance of turbulent regions. Traditionally, weather forecasters have found it difficult to accurately predict CAT. In order to forecast regions where CAT might occur, forecasters must first determine the location of breaking waves caused by either Kelvin-Helmholtz instabilities or topographically forced internal gravity waves (mountain waves) in the atmosphere. The United States Air Force (USAF) 15th Operational Weather Squadron (15th OWS) requested an updated method of predicting CAT and this request was ranked as one of the highest priority research needs by the HQ USAF Director of Weather, Deputy Chief of Staff for Air and Space Operations. A new method of forecasting turbulence was developed in this work and the operational model was delivered to the 15th OWS for immediate inclusion into their operations. This method combines output from the Knapp-Ellrod index and the Naval Research Laboratory s Mountain Wave Forecast Model (MWFM) onto a single chart. Displaying these tools together allows forecasters to view both causes of CAT simultaneously. Furthermore, a new visualization tool is developed that allows a forecaster to view several layers at the same time as well as a composite chart to greatly reduce the time required to produce turbulence charts by OWS forecasting centers worldwide. Tests of forecast accuracy, as determined by pilot reports (PIREPS), between charts currently produced by USAF OWSs and this new method were compared, with the new method producing far superior forecast results. This method revolutionizes
Aviation Turbulence
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Author : Robert Sharman
language : en
Publisher: Springer
Release Date : 2016-06-27
Aviation Turbulence written by Robert Sharman and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-27 with Technology & Engineering categories.
Anyone who has experienced turbulence in flight knows that it is usually not pleasant, and may wonder why this is so difficult to avoid. The book includes papers by various aviation turbulence researchers and provides background into the nature and causes of atmospheric turbulence that affect aircraft motion, and contains surveys of the latest techniques for remote and in situ sensing and forecasting of the turbulence phenomenon. It provides updates on the state-of-the-art research since earlier studies in the 1960s on clear-air turbulence, explains recent new understanding into turbulence generation by thunderstorms, and summarizes future challenges in turbulence prediction and avoidance.
Air Turbulence And Its Methods Of Detection
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Author : Leonardo Di G. Sigalotti
language : en
Publisher: CRC Press
Release Date : 2023-02-24
Air Turbulence And Its Methods Of Detection written by Leonardo Di G. Sigalotti and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-02-24 with Transportation categories.
The book is a concise guide dealing with the subject of air turbulence and its methods of detection with particular applications to aviation turbulence. It begins with a general description of turbulence and provides a background into the nature and causes of atmospheric turbulence that affect aircraft motion, giving updates on the state-of-the-art research on clear air turbulence (CAT). Important physical processes leading to the Kelvin-Helmholtz instability, a primary producer of CAT, are also explained. The several categories of CAT along with its impact on commercial aviation are also presented in a separate chapter, with particular emphasis on the structural damages to planes and injuries. The central theme of the book deals with both the earlier and the latest CAT detecting methods and techniques for remote and in situ sensing and forecasting. A concise presentation of new technologies for reducing aviation weather-related accidents is also offered. A chapter on the weather accident prevention project of the NASA aviation safety program is also included. Additionally, the book ends with a full description of the recent research activities on CAT and future challenges in turbulence detection, prediction and avoidance.
Forecasting Techniques Of Clear Air Turbulence Including That Associated With Mountain Waves
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Author : Robert H. Hopkins
language : en
Publisher:
Release Date : 1977
Forecasting Techniques Of Clear Air Turbulence Including That Associated With Mountain Waves written by Robert H. Hopkins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Clear air turbulence categories.
Clear Air Turbulence Forecasting Techniques
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Author : David R. Lee
language : en
Publisher:
Release Date : 1979
Clear Air Turbulence Forecasting Techniques written by David R. Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Clear air turbulence categories.
This technical note is a compilation of the latest clear air turbulence (CAT) forecasting techniques used by AFGWC forecasters. It is a comprehensive treatment of a complex and unique forecasting subject. The methods are relatively easy to follow and are a step-by-step approach to forecasting this weather phenomenon. This document replaces AFGWC Tech Memo 70-7 'Turbulence Forecasting Procedures' by Capt Paul T. Burnett, 15 Dec 70. Over the past nine years the automated CAT routines have been totally replaced. Also, synoptic rules of thumb and model relationships are now better understood and documented. (Author).
National Environmental Laboratories Hearings Before The Subcommittee On Air And Water Pollution
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Author : United States. Congress. Senate. Committee on Public Works
language : en
Publisher:
Release Date : 1971
National Environmental Laboratories Hearings Before The Subcommittee On Air And Water Pollution written by United States. Congress. Senate. Committee on Public Works and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.
National Environmental Laboratories Appendix
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Author : United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution
language : en
Publisher:
Release Date : 1971
National Environmental Laboratories Appendix written by United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Environmental laboratories categories.
The Federal Plan For Meteorological Services And Supporting Research
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Author :
language : en
Publisher:
Release Date : 1992
The Federal Plan For Meteorological Services And Supporting Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Meteorology categories.
Hearings Reports And Prints Of The Senate Committee On Public Works
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Author : United States. Congress. Senate. Committee on Public Works
language : en
Publisher:
Release Date :
Hearings Reports And Prints Of The Senate Committee On Public Works written by United States. Congress. Senate. Committee on Public Works and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Legislative hearings categories.
On Forecasting Clear Air Turbulence
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Author : Harley Peyton Wilson
language : en
Publisher:
Release Date : 1968
On Forecasting Clear Air Turbulence written by Harley Peyton Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Clear air turbulence categories.