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Lamar County Multi- Jurisdictional Hazard Mitigation Plan <br />Chapter Three <br />obtaining opinion and information furnished by local residents, emergency <br />responders, and the county and city Emergency Management Coordinators. <br />TABLE 4 EXTENT OR SEVERITY OF HAZARDS <br />Potential <br />Severity Of Impact: (45% of Priority Risk Index) <br />More than a week <br />• <br />Multiple Deaths <br />Substantial <br />. <br />Complete shutdown of facilities for 30 days or more. <br />Index Value = <br />• More than 24 hours <br />4 <br />. <br />More than 50 percent of property destroyed or with major <br />damage. <br />• <br />Injuries and /or illnesses result in permanent disability. <br />Major <br />. <br />Complete shutdown of critical facilities for at least 2 weeks <br />Index Value = <br />3 <br />, <br />More than 25 percent of property destroyed or with major <br />damage. <br />• <br />Injuries and /or illnesses do not result in permanent disability. <br />Minor <br />. <br />Shutdown of critical facilities and services for more than 1 week. <br />Index Value = <br />2 <br />. <br />More than 10 percent of property destroyed or with major <br />damage. <br />Limited <br />• <br />Injuries and /or illnesses are treatable with first aid. <br />Index Value = <br />• <br />Shutdown of critical facilities and services for 24 hours or less <br />1 <br />Less than 10 percent of property destroyed or with major damage. <br />Warning Time: <br />(15% of Priority Risk Index) <br />More than a week <br />• Less than 6 hours <br />Index Value = 3 <br />• 6 to 12 hours <br />Index Value = 2 <br />• 12 to 24 hours <br />• Less than 6 hours <br />• More than 24 hours <br />Duration: (10% of Priority Risk Indexl <br />More than a week <br />Index Value = 3 <br />• Less than a week <br />Index Value = 2 <br />• Less than 24 hours <br />Index Value =1 <br />• Less than 6 hours <br />4. Previous occurrences: Previous Occurrences describes the hazard in terms of <br />what, when, and where past events have occurred and the extent of damages. Maps <br />are used to identify affected areas and illustrate the severity of damages. <br />S. Probability of Future Events: Probability of Future Events describes the <br />probability that the hazard will occur within the County and six jurisdictions. Each <br />hazard is assigned a Probability of Future Events rating based on the criteria and <br />methods described Below: <br />51 <br />