International Weather Radar Networking

Author : C.G. Collier
Publisher : Springer Science & Business Media
ISBN 13 : 9401124043
Total Pages : 323 pages
Book Rating : 4.41/5 ( download)

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Download or read book International Weather Radar Networking written by C.G. Collier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: International Weather Radar Networking covers all aspects of the subject in a collection of contributions drawn from all over the world. Of particular interest are the papers describing work in Eastern Europe and papers reviewing of the achievements of the Commission of the European Communities COST-73 project. During the last twenty years there has been a rapid growth in the number of digital radars deployed for operational use in Western Europe. There are now around 100, of which about half have a Doppler capability, providing wind as well as reflectivity information. The international exchange of the data from these systems promises a great enhancement of the benefits to weather forecasting and commercial users. This volume reports work being undertaken to realize those benefits and points the way to future developments of radar technology.

Author : D.H. Newsome
Publisher : Springer Science & Business Media
ISBN 13 : 9401127026
Total Pages : 268 pages
Book Rating : 4.28/5 ( download)

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Download or read book Weather Radar Networking written by D.H. Newsome and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past twenty years, there has been a rapid expansion in the number of opera tional, digital weather radars in Europe. Work within COST 73 stimulated the use of data from these radars and also demonstrated the potential of the international exchange of weather radar data in near real-time. The Management Committee of the COST 73 Project have laid the foun dations upon which future international operational radar networking may be built in Europe, and has indicated the directions that future weather radar technological developments might take. Throughout this five year Project, it has been possible to achieve success o~ through the goodwill of the participants. The considerable international co-operation is, in no smaIl measure, the underpinning reason why the Management Committee of COST 73 have been able to address such a wide range of topics within the general category of international weather radar networking. It has been an honour to have had the opportunity to act as Chairman of a group of meteorolo gists, engineers and managers possessing such a wide variety of talents and experience. I would like to take this opportunity to thank them all for their many and varied contributions.

Author : C.G. Collier
Publisher : Springer Science & Business Media
ISBN 13 : 9400905513
Total Pages : 590 pages
Book Rating : 4.11/5 ( download)

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Download or read book Weather Radar Networking written by C.G. Collier and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meteorology is by nature a multidisciplinary and transnational subject and COST cooperation has proved to be a flexible and suitable framework at European level for meteorological activities such as the standardisation of observation techniques and harmonised transmission of meteorological data. Although meteorology is not covered by a specific Community programme as such, various Community actions dealing with meteorology are now included in the EEC research programme on climatology (the "EPOCH" programme - 1989-92) of mechanisms of extreme and sudden concerning particularly the study meteorological events, in order to predict catastrophies and consequently to reduce human and material losses. In the context of COST cooperation, which is supported by the Commission of the European Communities, the COST 73 project (1986-1991) associates 16 countries in Western Europe with the aim of setting up a weather radar network providing real-time measurements of rain, snow or hail precipitations. In this project, radar data are transmitted and combined if appropriate with satellite data - in one or more "compositing centres" of the participating countries, in order to improve weather forecasting. Together with the COST 73 Management Committee, the Commission of the European Communities organized a seminar on this matter, in Brussels on 5-8 September 1989, at the half-way stage of the project.

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309084660
Total Pages : 181 pages
Book Rating : 4.66/5 ( download)

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Download or read book Weather Radar Technology Beyond NEXRAD written by National Research Council and published by National Academies Press. This book was released on 2002-08-31 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weather radar is a vital instrument for observing the atmosphere to help provide weather forecasts and issue weather warnings to the public. The current Next Generation Weather Radar (NEXRAD) system provides Doppler radar coverage to most regions of the United States (NRC, 1995). This network was designed in the mid 1980s and deployed in the 1990s as part of the National Weather Service (NWS) modernization (NRC, 1999). Since the initial design phase of the NEXRAD program, considerable advances have been made in radar technologies and in the use of weather radar for monitoring and prediction. The development of new technologies provides the motivation for appraising the status of the current weather radar system and identifying the most promising approaches for the development of its eventual replacement. The charge to the committee was to determine the state of knowledge regarding ground-based weather surveillance radar technology and identify the most promising approaches for the design of the replacement for the present Doppler Weather Radar. This report presents a first look at potential approaches for future upgrades to or replacements of the current weather radar system. The need, and schedule, for replacing the current system has not been established, but the committee used the briefings and deliberations to assess how the current system satisfies the current and emerging needs of the operational and research communities and identified potential system upgrades for providing improved weather forecasts and warnings. The time scale for any total replacement of the system (20- to 30-year time horizon) precluded detailed investigation of the designs and cost structures associated with any new weather radar system. The committee instead noted technologies that could provide improvements over the capabilities of the evolving NEXRAD system and recommends more detailed investigation and evaluation of several of these technologies. In the course of its deliberations, the committee developed a sense that the processes by which the eventual replacement radar system is developed and deployed could be as significant as the specific technologies adopted. Consequently, some of the committee's recommendations deal with such procedural issues.

Author : Peter Meischner
Publisher : Springer Science & Business Media
ISBN 13 : 3662052024
Total Pages : 360 pages
Book Rating : 4.20/5 ( download)

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Download or read book Weather Radar written by Peter Meischner and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: With their images practically ubiquitious in the daily media, weather radar systems provide data not only for understanding weather systems and improving forecasts (especially critical for severe weather), but also for hydrological applications, flood warnings and climate research in which ground verification is needed for global precipitation measurements by satellites. This book offers an accessible overview of advanced methods, applications and modern research from the European perspective. An extensive introductory chapter summarizes the principles of weather radars and discusses the potential of modern radar systems, including Doppler and polarisation techniques, data processing, and error-correction methods. Addressing both specialist researchers and nonspecialists from related areas, this book will also be useful for graduate students planning to specialize in this field

Author : S. Raghavan
Publisher : Springer Science & Business Media
ISBN 13 : 9401702012
Total Pages : 557 pages
Book Rating : 4.10/5 ( download)

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Download or read book Radar Meteorology written by S. Raghavan and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: As we all know, weather radar came into existence during the Second World War when aircraft detection radars had their vision limited by echoes from rain bearing clouds. What was often considered to be of nuisance value by the air force personnel trying to locate enemy aircraft was seen as an opportunity by the weather men. Thus adversity in one field was converted into an opportunity in another. Since then weather radar has found myriad applications with the increased sophistication of technology and processing systems. It has now become an indispensable tool for the operational forecasters, cloud physicists and atmospheric scientists. The current generation radar is but a distant echo of the radars of the 1940s. As a result, its operation and maintenance have become very complex, like the technology it uses. Therefore, there is a definite requirement of focussing our special attention not only on the science of radar meteorology but also on its operational aspects. The present book, as pointed out by the author, attempts to fill this gap. The author has presented the subject with a balanced blend of science, technology and practice. The canvas is indeed very broad. Starting with the history of weather radar development the book goes on to discuss in a lucid style the physics of the atmosphere related to radar observation, radar technology, echo interpretation, different applications and finally attempts to look into the future to indicate potential new opportunities in this field.

Author : Patricia Altube Vázquez
Publisher :
ISBN 13 :
Total Pages : 197 pages
Book Rating : 4.55/5 ( download)

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Download or read book Procedures for Improved Weather Radar Data Quality Control written by Patricia Altube Vázquez and published by . This book was released on 2016 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weather radar data and its downstream products are essential elements in weather surveillance and key parameters in the initialisation and validation of hydrological and meteorological models, among other downstream applications. Following the quality standards established by the European and global weather radar networking referents, the present thesis aims for the improvement of the base data quality control in the regional weather radar network operated by the Meteorological Service of Catalonia, the XRAD. This objective is accomplished through the analysis, development and implementation of new or existing procedures and algorithms for radar data quality assessment and improvement. Attending to the current radar technology and to the already implemented quality control procedures for the XRAD, the work is focused on the continuous evaluation of the radar system calibration status and on the correction of Doppler velocity data. The quality control algorithms and recommendations presented are easily translatable to any other operative weather radar networking environment. A Sun-based, fully automatic procedure for online monitoring the antenna alignment and the receiver chain calibration is adapted and operationally implemented for the XRAD. This Sun-monitoring technique was developed at the Royal Netherlands and Finnish Meteorological Institutes and is included in the quality control flow of numerous weather radar networks around the world. The method is modified for a robust detection and characterisation of solar interferences in raw data at all scan elevations, even when only data at relatively short ranges is available. The modified detection algorithm is also suitable for detecting interferences from wireless devices, which are stored for monitoring their incidence in the XRAD. The solar interferences detected, in turn, are input observations for the inversion of a two-dimensional Gaussian model that yields estimates of the calibration parameters of interest. A complete theoretical derivation of the model establishes its validity limits and provides analytical estimates of the effective solar widths directly from radar parameters. Results of application of this Sun-monitoring methodology to XRAD data reveal its ability to determine the accuracy of the antenna pointing and to detect changes in receiver calibration and radar system operation status. In order to facilitate the usage of the Sun-monitoring technique and the interpretation of its estimates, the methodology is reproduced under controlled conditions based on the distributions of solar observations collected by two of the XRAD radars. The analysis shows that the accuracy of the estimated calibration parameters is conditioned by the precision, number and distribution of the solar observations which constitute key variables that need to be controlled to ensure reliable estimates. In addition, the Sun-monitoring technique is compared under actual operative conditions with two other common techniques for quantifying the antenna azimuth and elevation pointing offsets. Pointing bias estimates gathered in a dedicated short-term campaign are studied in a direct inter- comparison of the methods that reflects the advantages and limitations in each case. The analysis of the bias estimates reported by the methods in the course of a one-year period reveals that the performance of the techniques depends on the antenna position at the time of the measurement. After this study, a reanalysis of the Sun-monitoring method results is proposed, which allows to additionally quantify the antenna pedestal levelling error. Finally, a post-processing, spatial image filtering algorithm for identification and correction of unfolding errors in dual-PRF Doppler velocity data is proposed. The correction of these errors benefits the usage of radar velocity data in downstream applications such as wind- shear and mesocyclone detection algorithms or assimilation in numerical weather prediction models. The main strengths of the proposed algorithm, in comparison with existing correction techniques, are its robustness to the presence of clustered unfolding errors and that it can be employed independently of post-processing dealiasing algorithms. By means of simulated dual-PRF velocity fields, the correction ability of the algorithm is quantitatively analysed and discussed with particular emphasis on the correction of clustered errors. The quality improvement in real dual-PRF data brought out by the new algorithm is illustrated through application to three selected severe weather events registered by the XRAD.

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.49/5 ( download)

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Download or read book Weather Radar Networking: COST 73 Project written by and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Kevin Anthony Teague
Publisher : John Wiley & Sons
ISBN 13 : 1119136156
Total Pages : 278 pages
Book Rating : 4.56/5 ( download)

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Download or read book The Evolution of Meteorology written by Kevin Anthony Teague and published by John Wiley & Sons. This book was released on 2017-05-12 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The essential guide to the history, current trends, and the future of meteorology This comprehensive review explores the evolution of the field of meteorology, from its infancy in 3000 bc, through the birth of fresh ideas and the naming of the field as a science, to the technology boom, to today. The Evolution of Meteorology reveals the full story of where meteorology was then to where it is now, where the field is heading, and what needs to be done to get the field to levels never before imagined. Authored by experts of the topic, this book includes information on forecasting technologies, organizations, governmental agencies, and world cooperative projects. The authors explore the ancient history of the first attempts to understand and predict weather and examine the influence of the very early birth of television, computers, and technologies that are useful to meteorology. This modern-day examination of meteorology is filled with compelling research, statistics, future paths, ideas, and suggestions. This vital resource: Examines current information on climate change and recent extreme weather events Starts with the Ancient Babylonians and ends with the largest global agreement of any kind with the Paris Agreement Includes current information on the most authoritative research in the field of meteorology Contains data on climate change theories and understanding, as well as extreme weather statistics and histories This enlightening text explores in full the history of the study of meteorology in order to bring awareness to the overall path and future prospects of meteorology.

Author : A. Saul
Publisher : Springer Science & Business Media
ISBN 13 : 940111630X
Total Pages : 585 pages
Book Rating : 4.05/5 ( download)

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Download or read book Floods and Flood Management written by A. Saul and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years there have been a number of catastrophic floods that have resulted in a tragic loss of life. These natural disasters highlight the need to further understand the occurrence phenomena, to improve forecasting techniques, and to develop procedures and contingency plans to minimise the flood impact. This volume contains contributions from the 3rd International Conference on Floods and Flood Management held in Florence in November 1992. The volume is timely and provides an important overview for engineers, scientists, managers and researchers of the latest developments in technology, analysis and management.