Weather Data Source: South Carolina Weather

Charleston Faces Increased Coastal Flooding Threats

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Flooded street in Charleston due to coastal flooding

News Summary

Charleston, SC is experiencing rising coastal flooding incidents attributed to escalating sea levels and local geography. Recent advisories warn citizens of imminent flooding risks, which have significantly increased over the last decade, necessitating better preparation and community awareness.

Charleston Faces Increased Coastal Flooding Threats

Charleston, SC, is grappling with escalating incidents of coastal flooding, a troubling trend linked to rising sea levels and the city’s unique geography featuring marshes, creeks, and coastal waters. A recent coastal flooding advisory was issued for parts of Charleston County after moderate flooding impacted the area on the evening prior.

Blair Halloway, the Lead Forecaster for the National Weather Service in Charleston, indicated that flooding events are expected to grow more frequent due to various natural factors. Tidal flooding is influenced by gravitational effects from celestial bodies like the moon and sun, combined with wind patterns that can exacerbate the situation.

Over the last ten years, the frequency of coastal flooding has significantly increased. Recent data shows that minor flood events have surged by at least three times compared to the previous decade. A study conducted by Lending Tree has highlighted South Carolina ranking third out of 41 coastal states in terms of increased coastal flood events, revealing a staggering 580.3% rise in flooding occurrences.

The National Weather Service has provided historical data that confirms an upward trend in flood events since 2015. The reports indicate a clear increase in minor, moderate, and major flood events, with a graphical representation illustrating this growth. Notably, there have been a total of 52 recorded instances of tides exceeding eight feet, with 38 (73%) of these incidents occurring since 2015.

Flood Risks and Damage

Coastal flooding poses significant risks to homeowners, often leading to costly damages that require the replacement of rotted materials and mold prevention measures. Rob Bhatt, an Insurance Analyst for Lending Tree, emphasized the vital importance of having flood insurance and implementing protective measures for homes, which may include elevating HVAC systems and installing flood vents.

Earlier this week, a Coastal Flood Warning was in effect, forecasting 1-2 feet of flooding along shorelines and tidal waterways, rendering certain roads impassable. A Coastal Flood Advisory was also issued for coastal Colleton and Charleston counties, with predictions of half a foot of above-ground flooding.

Latest Flooding Incidents

Forecasts projected saltwater inundation could impact roads one to two hours before and after the high tide scheduled at 8:33 PM for Charleston Harbor. Residents were advised to stay alert for potential road closures and avoid driving through any flooded areas for safety concerns. Specifically, the Highway 61 ramp from US 17 SB in West Ashley was closed due to flooding at approximately 7:30 AM, along with other affected roads such as Lockwood Drive, Fishburne Street, and Hagood Avenue.

Authorities stressed the importance of adhering to safety measures, advising drivers to never bypass barricades surrounding flooded roadways. The increase in coastal flooding not only raises the urgency for protective measures but also highlights the need for communities to remain vigilant in the face of changing environmental conditions.

Conclusion

As Charleston faces these challenges, understanding the underlying causes and risks of coastal flooding becomes critical for residents and local authorities. Preparedness is essential, as the trend of increasing flooding events will undoubtedly continue to pose threats to the community and its infrastructure.

Deeper Dive: News & Info About This Topic

HERE Resources

Charleston and Colleton Counties Brace for Coastal Flooding
Charleston Prepares for Major King Tides This Weekend
Charleston Mourns Resilience Advocate Dale Morris
Charleston Launches New Sustainability Initiative: The Just Corridor
Charleston Mourns Chief Resiliency Officer Dale Morris
Charleston Announces Road Closures for Low Battery Project
Charleston Braces for Major King Tides This Weekend
Charleston Begins Final Phase of Low Battery Seawall Repair
Charleston Launches New ‘Connect Charleston’ Camera Network
Florida Braces for Hurricane Milton: Impact Expected

Additional Resources

Charleston Faces Increased Coastal Flooding Threats

HERE Charleston
Author: HERE Charleston

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