Verified storm · closed

1–1.1" hail crossed Chester County, SC — August 21, 2026

Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.

Storm stats

CountyChester County, SC
Max hail (MESH)1.1"
Mean hail (MESH)1"
Swath area2 mi² (5 km²)
Radar cells (~1 km grid)5
First radar detection2026-08-21 19:24 UTC
Last radar detection2026-08-21 20:22 UTC
Verified2026-08-21 19:26 UTC
Swath centroid34.5890, -81.3890
Storm IDsw_45ba1c65

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Chester County, SC — verified storm record

Swath has 3 radar-verified hail storms on record for Chester County, SC going back to July 2025, the largest measuring 1.48″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.