ASSESSMENT OF NEXRAD COVERAGE AND ASSOCIATED WEATHER SERVICES -- Copyright -- Preface -- Contents -- Executive Summary -- 1 Introduction -- BACKGROUND: MODERNIZATION OF THE NATIONAL WEATHER SERVICE -- The NEXRAD -- CHARGE TO THE COMMITTEE -- STUDY PROCESS -- 2 Radar Network Configuration and Detection Capabilities -- NETWORK COVERAGE AT 10,000 FEET ABOVE SITE LEVEL -- CALCULATED VERSUS OBSERVED DETECTION RANGES -- COMPARISON OF DETECTION COVERAGE BY PRE-NEXRAD AND NEXRAD NETWORKS -- IMPACT OF NEXRAD COMMUNICATIONS LINKS AND FORECAST OFFICE STAFFING -- 3 Comparison of Weather Services: Pre-NEXRAD and NEXRAD -- COMPOSITE SYSTEM CONSIDERATIONS -- NETWORK CONSIDERATIONS -- WARNING PERFORMANCE -- Early Experience with NEXRAD -- Comments and Conclusions on Warning Performance -- 4 Guidelines for Assessing Possible Degradation of Service in Specific Areas -- CONSIDERATION OF PUBLIC CONCERNS -- ASSESSMENT CRITERIA -- 5 Conclusions and Recommendations -- CONCLUSIONS -- RECOMMENDATIONS -- References -- Acronyms -- Glossary -- APPENDIXES -- Appendix A Criteria for Evaluation of a Weather Radar System -- RADAR TECHNICAL ASPECTS -- System Description -- Radar Performance Specifications -- Spatial Coverage -- Resolution -- Sensitivity -- Doppler Coverage -- Availability Of Radars -- NEXRAD Technical Improvements -- Transmitter and Receiver -- Antenna -- Doppler Signal Processing -- Digital Information System -- WARNING PERFORMANCE -- PRODUCTS AND SERVICES OFFERED -- Appendix B Documents Requesting NRC Study -- STUDY GUIDELINES -- Appendix C National Research Council's Statement of Task for the Panel on the Adequacy of NEXRAD -- Appendix D Drawings and Descriptions of Weather Phenomena -- Appendix E Reviewers and Contributors to Detection Table 2-1 and Table 2-2.