Coastal Flooding Impact of Hurricane Zwieback: This is an example, NOT a real hurricane.
| Coastal flooding is a result of the storm surge where local sea levels to rise often resulting in weakening or destruction of coastal structures. As the sea level rises from the storm surge, the constant battering waves and floating debris damage structures. It is these battering waves that cause most beach erosion and extensive damage to coastal structures. Learn more about coastal flooding and impacts. |
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 Wind |
 Tornadoes |
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 Inland Flooding |
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 Coastal Flooding |
| Low | Prepare for the likelihood of minor flooding of low lying areas, with little or no damage. Moderate erosion and high waves may cause immediate waterfront roads to close.. |
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| Moderate | Prepare for the likelihood of some coastal flooding of immediate beachfront property and structures. Significant erosion, high waves, and inundation may cause waterfront and coastal access roads to close. |
| High | Prepare for the likelihood of significant and life-threatening storm surge. Extensive inundation and extreme damage to roads, infrastructure, and buildings is likely. Surge flooding will also affect tidal bays and rivers. Many waterfront and coastal access roads will be closed, some potentially for an extended period of time. |
| Extreme | Prepare for the likelihood of extreme, life-threatening storm surge. Complete inundation and extreme damage to roads, infrastructure and buildings likely. Nearly all waterfront and coastal access raods will be closed. Many road closures will last for days or weeks. |
