DRAFT September 11, 2009 FLORIDA COMMISSION ON HURRICANE LOSS PROJECTION METHODOLOGY Post Office Box 13300 32317-3300 1801 Hermitage Boulevard, Suite 100 Tallahassee, Florida 32308 (850) 413-1349 Ruben Almaguer Interim Director, Florida Division of Emergency Management Kristen Bessette, FCAS, MAAA Actuary, Property and Casualty Industry Randy Dumm, Ph.D., Chair Insurance Finance Expert, Florida State University Scott Wallace, Vice Chair Executive Director, Citizens Property Insurance Corporation Howard Eagelfeld Actuary, Florida Office of Insurance Regulation Jack Nicholson, Ph.D. Chief Operating Officer, Florida Hurricane Catastrophe Fund Sean Shaw Insurance Consumer Advocate, Florida Department of Financial Services Hugh Willoughby, Ph.D. Meteorology Expert, Florida International University Jainendra Navlakha, Ph.D. Computer Systems Design Expert, Florida International University Vacant Statistics Expert Vacant Actuary, Florida Hurricane Catastrophe Fund Advisory Council November, 2009 The Honorable Charlie Crist, Chairman Governor Plaza Level 02, The Capitol Tallahassee, Florida 32399 The Honorable Bill McCollum, Secretary Attorney General Plaza Level 01, The Capitol Tallahassee, Florida 32399 The Honorable Alex Sink, Treasurer Chief Financial Officer Plaza Level 11, The Capitol Tallahassee, Florida 32399 Dear Trustees: As Chair of the Florida Commission on Hurricane Loss Projection Methodology (Commission), I am pleased to present to you the Report of Activities as of November 1, 2009. This report documents the fourteenth year of the Commission’s work. Section 627.0628, F.S., created the Commission as a panel of experts to be administratively housed in the State Board of Administration but requires the Commission to independently exercise its power and duties. The Commission is required to “…adopt revisions to previously adopted actuarial methods, principles, standards, models, or output ranges every odd year.” Such revisions were made in compliance with the statute. If you have any questions or comments regarding the work of the Commission, please call me at (850) 6447880. 1 DRAFT September 11, 2009 Sincerely, Randy E. Dumm, Ph.D. Chair 2 DRAFT September 11, 2009 Florida Commission on Hurricane Loss Projection Methodology P. O. Box 13300 Tallahassee, Florida 32317-3300 Staff: 850-413-1349 Fax: 850-413-1344 Commission Members: Randy Dumm, Ph.D., Chair Insurance Finance Expert, Florida State University Scott Wallace, Vice Chair Executive Director, Citizens Property Insurance Corporation Ruben Almaguer Jack Nicholson, Ph.D., CLU, CPCU Interim Director, Chief Operating Officer, Florida Division of Emergency Management Florida Hurricane Catastrophe Fund Kristen Bessette, FCAS, MAAA Actuary, Property and Casualty Industry Sean Shaw Consumer Advocate, Florida Department of Financial Services Howard Eagelfeld, FCAS Actuary, Florida Office of Insurance Regulation Jainendra Navlakha, Ph.D. Computer System Design Expert, Florida International University Vacant Statistics Expert Hugh Willoughby, Ph.D. Meteorology Expert, Florida International University Vacant Actuary, Florida Hurricane Catastrophe Fund Advisory Council Professional Team Members: Staff Members: Mark Brannon, FCAS, MAAA, CPCU, Actuary Jenni Evans, Ph.D., Meteorologist Paul Fishwick, Ph.D., Computer Scientist Ronald Iman, Ph.D., Statistician Mark Johnson, Ph.D., Statistician, Team Leader Richard Nance, Ph.D., Computer Scientist Tom Schroeder, Ph.D., Meteorologist Martin Simons, ACAS, Actuary Masoud Zadeh, Ph.D., P.E., Structural Engineer Tracy Allen Anne Bert Emily Moore Donna Sirmons Ramona Worley 3 DRAFT September 11, 2009 Note: Page References to be updated; Changes adopted during September meetings to be updated. TABLE OF CONTENTS PAGE I. Introduction II. Principles 14 III. Commission Structure 17 IV. Findings of the Commission 33 1. Concerning Model Accuracy and Reliability 34 2. Concerning Trade Secrets 36 Process for Determining the Acceptability of a Computer Simulation Model 37 1. Trade Secret List 46 2. Model Submission Checklist 49 VI. On-Site Review 50 VII. 2009 Standards, Disclosures, and Forms 57 1. Model Identification 58 2. Submission Data 59 3. Comparison of 2009 Standards to 2008 Standards 65 4. General Standards G-1 Scope of the Computer Model and Its Implementation G-2 Qualifications of Modeler Personnel and Consultants G-3 Risk Location G-4 Independence of Model Components G-5 Editorial Compliance Form G-1 General Standards Expert Certification Form G-2 Meteorological Standards Expert Certification Form G-3 Vulnerability Standards Expert Certification Form G-4 Actuarial Standards Expert Certification Form G-5 Statistical Standards Expert Certification Form G-6 Computer Standards Expert Certification Form G-7 Editorial Certification 66 66 68 71 72 73 74 75 76 77 78 79 80 5. Meteorological Standards M-1 Base Hurricane Storm Set M-2 Hurricane Parameters and Characteristics M-3 Hurricane Probabilities M-4 Hurricane Windfield Structure M-5 Landfall and Over-Land Weakening Methodologies M-6 Logical Relationships of Hurricane Characteristics Form M-1 Annual Occurrence Rates 81 81 83 85 86 88 90 91 V. 8 4 DRAFT September 11, 2009 Note: Page References to be updated; Changes adopted during September meetings to be updated. TABLE OF CONTENTS PAGE Form M-2 Form M-3 Maps of Maximum Winds 94 Radius of Maximum Winds and Radii of Standard Wind Thresholds 95 6. Vulnerability Standards V-1 Derivation of Vulnerability Functions V-2 Mitigation Measures Form V-1 One Hypothetical Event Form V-2 Mitigation Measures – Range of Changes in Damage Form V-3 Mitigation Measures – Mean Damage Ratio (Trade Secret List) 96 96 99 101 104 106 7. Actuarial Standards 108 A-1 Modeled Loss Costs and Probable Maximum Loss Levels 108 A-2 Underwriting Assumptions 109 A-3 Loss Cost Projections and Probable Maximum Loss Levels 111 A-4 Demand Surge 112 A-5 User Inputs 113 A-6 Logical Relationship to Risk 114 A-7 Deductibles, Policy Limits, and Coinsurance 116 A-8 Contents 118 A-9 Time Element Coverage 119 A-10 Output Ranges 121 A-11 Probable Maximum Loss 123 Form A-1 Personal Residential Loss Costs 124 Form A-2 Zero Deductible Personal Residential Loss Costs by ZIP Code 126 Form A-3 Base Hurricane Storm Set Statewide Personal Residential Loss Costs127 Form A-4 Hurricane Andrew (1992) Percent of Personal Residential Losses 129 Form A-5 Cumulative Personal Residential Losses from the 2004 130 Hurricane Season Form A-6 Personal Residential Output Ranges 131 Form A-7 Percentage Change in Personal Residential Output Ranges 136 Form A-8 Percentage Change in Personal Residential Output Ranges by 138 County Form A-9 Personal Residential Probable Maximum Loss for Florida 139 8. Statistical Standards S-1 Modeled Results and Goodness-of-Fit S-2 Sensitivity Analysis for Model Output S-3 Uncertainty Analysis for Model Output S-4 County Level Aggregation S-5 Replication of Known Hurricane Losses S-6 Comparison of Projected Hurricane Loss Costs Form S-1 Probability and Frequency of Florida Landfalling Hurricanes per Year Form S-2 Examples of Loss Exceedance Estimates TABLE OF CONTENTS 5 142 142 144 146 148 149 151 152 153 DRAFT September 11, 2009 Note: Page References to be updated; Changes adopted during September meetings to be updated. PAGE Form S-3 Form S-4 Form S-5 Form S-6 Distributions of Stochastic Hurricane Parameters Validation Comparisons Average Annual Zero Deductible Statewide Personal Residential Loss Costs – Historical versus Modeled Hypothetical Events for Sensitivity and Uncertainty Analysis 154 155 156 157 9. Computer Standards C-1 Documentation C-2 Requirements C-3 Model Architecture and Component Design C-4 Implementation C-5 Verification C-6 Model Maintenance and Revision C-7 Security 165 165 167 169 170 172 174 175 10. Working Definitions of Terms Used in the Report of Activities 176 11. References 192 VIII. Inquiries or Investigations 194 IX. Appendices 211 1. Florida Statutes, 2009 212 2. Meeting Schedule and Topics of Discussion 215 3. Transcript Information 219 4. Commission Documentation 222 Figures Figure 1 Florida County Codes 63 Figure 2 State of Florida Map by County 64 Figure 3 State of Florida and Neighboring States Map by Region 93 Figure 4 State of Florida Map by North/Central/South Regions 136 Figure 5 State of Florida Map by Coastal/Inland Counties 136 Figure 6 Probability 158 Distributions for Model Input Variables TABLE OF CONTENTS PAGE 6 DRAFT September 11, 2009 Note: Page References to be updated; Changes adopted during September meetings to be updated. Figure 7 Uncertainty Envelope for the Conversion Factor 159 Figure 8 Grid for Calculating Hourly Wind Velocities 161 Figure 9 161 Map Version of Grid for Calculating Hourly Wind Velocities Figure 10 162 Comparison of Cumulative Empirical Distribution Functions for all Storm Categories Figure 11 163 Contour Plot of Loss Cost for a Category 1 Storm Figure 12 163 Contour Plot of Loss Cost for a Category 3 Storm Figure 13 164 Contour Plot of Loss Cost For a Category 5 Storm Figure 14 164 Standardized Regression Coefficients For Expected Loss Cost for all Input Variables for all Storm Categories Figure 15 Expected Percentage Reduction for Expected Loss Cost for all Input 165 Variables for all Storm Categories 7