Verified storm · active
1.1–4.8" hail crossed Charles Mix County, SD — September 1, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Charles Mix County, SD |
|---|---|
| Max hail (MESH) | 4.8" |
| Mean hail (MESH) | 1.1" |
| Swath area | 1,832 mi² (4,745 km²) |
| Radar cells (~1 km grid) | 5,227 |
| First radar detection | 2026-09-01 20:18 UTC |
| Last radar detection | 2026-09-02 04:16 UTC |
| Verified | 2026-09-01 20:20 UTC |
| Swath centroid | 42.8745, -98.1989 |
| Storm ID | sw_c0e18c78 |
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Charles Mix County, SD — verified storm record
Swath has 17 radar-verified hail storms on record for Charles Mix County, SD going back to July 2025, the largest measuring 4.83″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
