When hurricanes threaten coastal communities, storm surge is often the most dangerous aspect. This powerful rise in ocean water levels can cause devastating flooding, even far from the immediate shoreline. Thankfully, storm surge maps, also known as SLOSH (Sea, Lake, and Overland Surges from Hurricanes) maps, can help people prepare for this potential hazard.
What are SLOSH maps?
Developed by the National Oceanic and Atmospheric Administration (NOAA), SLOSH maps are computer simulations that predict storm surge inundation under various hurricane scenarios. These scenarios consider factors like the hurricane’s intensity, size, forward speed, and the specific characteristics of the coastline.
Why are SLOSH maps important?
SLOSH maps are crucial for hurricane preparedness. They help communities:
- Identify flood risk zones: By visualizing areas likely to be inundated by storm surge, residents can understand their risk and make informed decisions about evacuation or sheltering in place.
- Develop emergency plans: Emergency responders and local authorities use SLOSH maps to plan evacuation routes, identify critical infrastructure at risk, and allocate resources effectively.
- Promote mitigation strategies: SLOSH maps can help communities identify areas that need flood protection measures like seawalls or levees.
Limitations of SLOSH maps
While valuable, it’s important to understand SLOSH maps’ limitations:
- Generalities: They depict potential inundation for various hurricane categories, not specific storms.
- Dynamic factors: Real-time weather conditions and wave action can influence actual flooding.
- Accuracy: SLOSH models may not account for all local factors like levees or complex coastlines.
Finding SLOSH maps
SLOSH maps aren’t always publicly available, but you can access them through:
- Local emergency management agencies: These agencies often have resources tailored to your specific community.
- NOAA websites: Search for “SLOSH” or “storm surge risk maps” on National Weather Service (NWS) or National Hurricane Center (NHC) websites.
- State or county government websites: Many states and counties provide access to SLOSH maps for their coastal regions.
Remember:
SLOSH maps are a planning tool, not a guarantee. Stay informed during hurricane season by following official warnings and evacuation orders from local authorities. By understanding your community’s flood risk and taking necessary precautions, you can stay safe during a hurricane.