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Storm surge PowerPoint Presentation
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Storm surge

Storm surge

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Storm surge

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  1. Hurricane Katrina Vs. Isaac-----impact in the state of Mississippi 3 damage categories Storm surge High Winds Inland Flooding Katrina: • -As a category5 storm, the highest winds speed is about 175 mph (280 km/h); and then drop to 120 mph winds upon landfall as a category 3 storm; -Covered several counties; wind speed increased hurricane force when reaching landfall Isaac: • - Maximum winds 80 mph (130 km/h)as a category 1 storm. Katrina : 2 day path through central Mississippi ,27 ft. • Roads were impassable due to the damage of surge; • Isaac: Isaac rolled in straight from the southeast, the flow around the storm has driven a surge, about 8.3-foot (2.5 m) Katrina: - Over 6 miles of flooding - Coastal towns - Property damages and economic losses (about 1/2 can be attributed to flooding) - Cost $22.6 billion (Flooding alone) -60 Billion is insurance claims alone Isaac: - Reversed flow of Mississippi River for 24 hrs - Drove upriver 50% faster than downstream crest 10 ft high - Excess rainfall balanced out summer drought - Flooding in Gulf Economic impact ISAAC KATRINA - Caused insurance companies $60 billion - Roads, infrastructure, utility systems $10 billion - Damage to 300,000 homes -Consumer durable good: loss of about 7 billion - Damages to fishing assets: 27% of investment - Energy Corp. had 1.1 million customers out of power • Energy Corp had 787,000 customers out of power; cost $30-40 million • Shutdown most of gulf coast oil and natural gas drilling platform and refineries • 770 billion dollar loss in oil and natural gas prodcution