Piedmont Thunderstorm Corridor
10+"
Documented single-event rainfall in York County
Clover sits squarely in the South Carolina Piedmont thunderstorm belt, where warm Gulf moisture collides with cooler air masses moving across the Blue Ridge foothills. The SC State Hazard Mitigation Plan documents single-event rainfall exceeding 10 inches in York County — enough to overwhelm Clover's aging stormwater infrastructure in hours.