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Lamar County Multi- Jurisdictional Hazard Mitigation Plan <br />Chapter Three <br />Hazard Profile Work Sheet <br />Hazard : Tornado <br />POTENTIAL SEVERITY OF IMPACT <br />SUBSTANTIAL - Multiple Deaths <br />X Complete shutdown of facilities for 30 days or more <br />More than 50% of property destroyed or with major damage <br />MAJOR Injuries and /or illnesses result in permanent disability <br />Complete shutdown of critical facilities for at least 2 weeks <br />More than 25% of property destroyed or with major damage <br />MINOR - Injuries and /or illnesses do not result in permanent disability <br />- Complete shutdown of critical facilities for at least 1 week <br />- More than 10% of property destroyed or with major damage <br />LIMITIED Injuries and /or illnesses that are treatable with first aid <br />- Minor quality of life lost <br />Shutdown of critical facilities and services for 24 hours or less <br />Less than 10% of property destroyed or with major damage <br />FREQUENCY OF OCCURANCE SEASONAL PATTERN(S) <br />_X_ Highly Likely: Event probable in the next yr. Most Common in Spring but can occur anytime. <br />_ Likely: Event probable in the next 3 yrs. <br />_ Occasional : Event possible in next 5 yrs. <br />Unlikely : Event possible in next 10 yrs. <br />SOURCE DOCUMENTS: <br />NOAA, Texas Hazard Mitigation Plan,Local Media, Local Area News Papers <br />PROBABLE DURATION: <br />Duration is less than 6 hours <br />WARNING TIME (potential speed of onset): <br />X_ Less than 6 hours <br />6 to 12 hours <br />12 to 24 hours <br />more than 24 hours <br />CASCADING POTENTIAL: <br />Power and communications failure, destroyed infrastructure, gas leaks from damaged lines, and <br />displaced home owners. <br />Existing Warning System(s): <br />Local weather broadcasts via the media, internet weather sites, and limited warning sirens. <br />63 <br />