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Lamar County Multi- Jurisdictional Hazard Mitigation Plan <br />Chapter Three <br />Hazard Profile Work Sheet <br />Hazard : Thunderstorms (Including Wind & Lightning) <br />POTENTIAL SEVERITY OF IMPACT <br />SUBSTANTIAL - Multiple Deaths <br />- Complete shutdown of facilities for 30 days or more <br />- More than 50% of property destroyed or with major damage <br />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 />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 />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 />OCCURANCE <br />probable in the next <br />yr. <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 />SEASONAL PATTERN(S) <br />Thunderstorms can occur year- round. <br />SOURCE DOCUMENTS: <br />NOAH, Local News Media, www.thmp.info <br />PROBABLE DURATION: <br />Cold fronts can stall causing severe weather to threaten for a couple of days. <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 />Heavy downpours of rain can cause flash flooding. <br />Existing Warning System(s): <br />Local weather forecasts, Internet weather sites, NOAA weather alerts, and word of mouth. <br />109 <br />