Updated: June 2024
Storm Surge Hazard
We continue our coverage of the 2024 Hurricane Preparedness Week by looking at some of the hurricane hazards. In particular, we'll start by examining the greatest potential for loss of life related to a hurricane, the storm surge.
Simply put, it is a dome of water that is pushed toward the shore by the force of the winds swirling around the storm. The advancing water, combined with the normal tides, can increase the mean water level by 15 feet or more. The threat is increased if it combines with high tide. Along the Atlantic and Gulf coasts of the United States, the mean sea level is around 10 feet, so a storm surge above that level could cause catastrophic damage.
The Many Factors that Influence Storm Surge
- Central Pressure
- Storm Intensity
- Storm Forward Speed
- Size
- Angle of Approach to Coast
- Shape of the Coastline
- Width and Slope of Ocean Bottom
- Local Features
For those in danger areas, it is wise to plan in advance of hurricane season. Be sure you know areas that would be safe when a storm approaches. You should be able to get to these safe zones quickly so that you don't risk being trapped by road congestion.
Hurricanes usually provide advance warning. When local officials recommend evacuation, heed their warnings and put your plan into action. Structures can be replaced, but lives cannot.
We'll continue our Hurricane Preparedness Week coverage by looking at additional hazards next. Consult the NHC and other websites for additional information about storm surges.
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| Read entire series (click here) |
More links and information about tropical storms and other weather conditions can be found in the Weather & Hurricane Zone tabs above.
If you live in, or plan to vacation in, an area where hurricanes are prevalent, please prepare in advance by reading our series.
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