Report on Wind Chill Temperature and Extreme Heat Indices:
Evaluation and Improvement Projects

FCM-R19-2003
This report describes the U.S. and Canadian project to jointly evaluate NOAA’s National Weather Service, Environment Canada’s Meteorological Service of Canada and U.S. Department of Defense operational temperature indices, to work together on any upgrades and/or replacements, and to implement these changes as necessary.
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The Entire Report (1,108 KB)
  By Section
  Cover, Foreword, Executive Summary,Table of Contents (218 KB)
  CHAPTER 1 INTRODUCTION (81 KB)
    1.1 Introduction
    1.2 Definitions
    1.3 Wind Chill Historical Background
    1.4 Joint Action Group for Temperature Indices (JAG/TI)
  CHAPTER 2 SCIENCE REVIEW AND RECOMMENDATIONS (153 KB)
    2.1 Introduction
    2.2 Science Review
    2.3 Descriptions of National Weather Service and the Meteorological Service of Canada Operational Programs
    2.4 Science Review Results
    2.5 Wind Chill Temperature (WCT) Advanced Development Guidance
  CHAPTER 3 WCT INDEX ALGORITHM ADVANCED DEVELOPMENT, VERIFICATION, AND VALIDATION (230 KB)
    3.1 Introduction
    3.2 Advanced Development and Verification Report
    3.3 Validation of WCT Algorithms Through Human Studies
    3.4 WCT Algorithms - Revalidation and Reverification
    3.5 Summary Discussion
  CHAPTER 4 WCT INDEX: TRANSITION FROM ADVANCED DEVELOPMENT TO OPERATIONS (101 KB)
   

4.1 Introduction
    4.2 Agencies’ Implementation
    4.3 Summary of JAG/TI Implementation Actions
  CHAPTER 5 FOLLOW-ON DEVELOPMENT AND EVALUATION (78 KB)
    5.1 Introduction
    5.2 WCT Index Follow-on Development
    5.3 Status of Heat Index Update
    5.4 ISB Commission 6 Progress
    5.5 Summary of Future Tasks
  APPENDIX A REFERENCES (86 KB)
  APPENDIX B U.S. POSITION PAPERS ON TEMPERATURE INDICES PROVIDED TO THE ISB COMMISSION 6 (100 KB)
    U.S. Position Paper: WCTI
    U.S. Position Paper: Heat Index
  APPENDIX C ACRONYM AND ABBREVIATION LISTING (54 KB)
  Inside Back Cover and Back Cover (35 KB)
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