nowcasting applications of severe weather. Such applications include improving the accuracy of severe local storm warnings (including forecasts of storm initiation, evolution, and decay), providing reliable guidance for construction activities, providing better information on current and future road conditions, furthering the needs of the aviation system for improving safety and operational efficiency (both civil and military), and helping individuals plan recreational activities.

Recommendation2

The next generation of radars should be designed as part of an integrated observing system aimed at improving forecasts and warnings on relevant time and space scales.

2  

Recommendations in this report appear in italics. Those in bold-face deal with technological approaches that are deemed worthy of consideration in the development of the future replacement for the NEXRAD system; they are categorized as “near-term,” “far-term,” or visionary.” The committee uses the term “near term” for those technologies for which the capabilities exist currently and could be implemented even before the development of the replacement NEXRAD. “Far-term” technologies are those that could be available within the time period covered by this report (25–30 years), though they will require continued scientific and technological development before they could be implemented. “Visionary” technologies are those that may or may not be ready for operational use within the 25- to 30-year time frame. The other recommendations deal with the processes by which the future system is developed and deployed.



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