Author: United States. Congress. House. Committee on Science. Subcommittee on Energy and Environment
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 454

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Author:
Publisher:
ISBN:
Category : Radar meteorology
Languages : en
Pages : 128

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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 128

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 302

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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309066360
Category : Science
Languages : en
Pages : 26

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The Global Energy and Water Cycle Experiment (GEWEX) Panel was asked to assess the value of the NEXRAD data for answering key atmospheric and hydrological science questions (see the tasking letter in the appendix). In response, the panel reviewed the status of WSR-88D data collection, processing, and archival, as well as the accessibility of archived data (with an emphasis on Level II). For this purpose, the panel examined reports by R. Carbone (panel member) and G. Mandt, Director, NWS/Office of Meteorology (OM). It should be noted that, because an emphasis of the present review was in identifying areas for improving the utility of the NEXRAD data, the conclusions and recommendations presented in this report could be taken out of context to suggest that the data in their present form have little utility. On the contrary, the panel concluded that the NEXRAD data are valuable for both their real-time applications in weather forecasting, and their utility for studying atmospheric dynamics in greater detail than was previously possible. At the same time, the panel identified strategies that could significantly improve the utility and value of the data.

Author: United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Space
Publisher:
ISBN:
Category : Political Science
Languages : en
Pages : 384

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Distributed to some depository libraries in microfiche.

Author: United States. Department of Commerce
Publisher:
ISBN:
Category : Meteorological services
Languages : en
Pages : 318

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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309169453
Category : Science
Languages : en
Pages : 165

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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:
Publisher:
ISBN:
Category : Meteorology in aeronautics
Languages : en
Pages : 172

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Author: Douglas E. Forsyth
Publisher:
ISBN:
Category : Doppler radar
Languages : en
Pages : 72

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The Boston Area NEXRAD Demonstration (BAND) was formulated to assess the operational utility of Next Generation Weather Radar (NEXRAD) algorithms and display products in three seasons of New England weather. BAND was a cooperative effort which utilized the AFGL 10 cm Doppler weather radar and data processing systems and the staff of the NEXRAD Interim Operational Test Facility to remote NEXRAD-like weather radar products to future joint agency users of this data. Operational users of BAND information included both central forecast facilities such as the USAF Global Weather Central at Offut AFB, NE and the National Severe Storm Forecast Center at Kansas City, MO, as well as local forecast facilities including the Base Weather Station at Pease AFB, NH, the National Weather Service Forecast Office at Boston, MA, and the Federal Aviation Administration Air Traffic Control Center at Nashua, NH. The BAND demonstration began on 16 November 1983 and ended on 1 July 1984. During this period more than 450 hours of NEXRAD-like data on all types of New England weather were provided in real-time to the operational users for their evaluation. In this report, the performance of the NEXRAD algorithms in the variety of weather conditions encountered in the demonstration is summarized along with descriptions and evaluations of the NEXRAD-like products disseminated to the operational offices.