The flood that greeted the new year in 1988 brought home the uncomfortable realization that many suburban areas of eastern Oahu are at risk from sudden and, in some cases, unpredictable flooding. Torrential rains fell over the southeastern portion of the island on New Year's Eve, precipitating major flooding in several suburban neighborhoods and resulting in $34 million in damages. Neither the current meteorological capabilities nor the present flood control structures for the Oahu area proved adequate to predict or control the deluge.
This book documents and analyzes the meteorological conditions leading to the torrential rains, the causes and patterns of flooding, the performance of flood control structures in affected areas, the extent of damages, and the effectiveness of the local emergency response and recovery actions. Conclusions and recommendations are drawn from the analyses.
- THE NEW YEAR'S EVE FLOOD ON OAHU, HAWAII DECEMBER 31, 1987-JANUARY 1, 1988
- Copyright
- NATURAL DISASTER STUDIES
- INVITATION FOR DISCUSSION
- Acknowledgments
- Preface
- Contents
- Executive Summary
- CONCLUSIONS AND RECOMMENDATIONS
- 1—Introduction
- FLOODS AS NATURAL DISASTERS
- EXPECTED LEVEL OF FLOOD PROTECTION
- 2—Management of the Disaster Event
- EMERGENCY WARNING PROCEDURES
- THE PREDISASTER PERIOD
- THE NEW YEAR'S EVE STORM
- EMERGENCY MANAGEMENT AND HAZARD-MITIGATION CONCERNS
- 3—Meteorology
- INTRODUCTION
- METEOROLOGICAL CONDITIONS ON DECEMBER 31, 1987
- RADAR AND SOUNDING ANALYSIS
- RAINFALL DISTRIBUTION
- RAINFALL RECURRENCE INTERVALS
- A MODEL OF THE NEW YEAR'S EVE STORM
- WIND DAMAGE
- 4—Hydrology and Hydraulics
- STREAM RUNOFF DATA AND RECURRENCE INTERVALS
- KAWAINUI MARSH FLOODING
- SEDIMENT, DEBRIS, AND LANDSLIDES FROM THE STORM
- STORM DRAINAGE STANDARDS
- POSTDISASTER STUDIES
- 5—Floodplain Mapping
- FLOODPLAIN MANAGEMENT ON OAHU
- DAMAGE FROM THE NEW YEAR'S EVE FLOOD EVENT
- 6—Lifelines
- TRANSPORTATION AND ROADS
- AIR TRANSPORTATION
- ELECTRIC POWER
- COMMUNICATIONS
- WATER SUPPLY
- SEWER SYSTEMS
- KAHENA STREET
- 7—Disaster Recovery
- THE RECOVERY PERIOD
- THE EMERGENCE OF CONFLICT
- 8—Conclusions
- WEATHER FORECAST AND STORM WARNING PERFORMANCE
- CAUSE OF THE FLOOD EVENT
- EMERGENCY RESPONSE AND INITIAL RECOVERY
- FLOODPLAIN MANAGEMENT
- 9—Recommendations
- METEOROLOGY
- HYDROLOGY
- THE WARNING SYSTEM
- FLOODPLAIN MANAGEMENT AND THE FLOOD INSURANCE PROGRAM
- References
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