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Weather Radar Technology Beyond Nexrad (Paperback)
Loot Price: R1,243
Discovery Miles 12 430
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Weather Radar Technology Beyond Nexrad (Paperback)
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Total price: R1,263
Discovery Miles: 12 630
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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.
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