Verified storm · closed
1.1–1.2" hail crossed Edmunds County, SD — August 17, 2025
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Edmunds County, SD |
|---|---|
| Max hail (MESH) | 1.2" |
| Mean hail (MESH) | 1.1" |
| Swath area | 12 mi² (30 km²) |
| Radar cells (~1 km grid) | 41 |
| First radar detection | 2025-08-17 11:00 UTC |
| Last radar detection | 2025-08-17 12:00 UTC |
| Verified | 2025-08-17 11:00 UTC |
| Swath centroid | 45.4526, -99.2630 |
| Storm ID | sw_cc8ca0a7 |
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