Verified storm · closed
1.1" hail crossed Ontonagon County, MI — July 20, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | Ontonagon County, MI |
|---|---|
| Max hail (MESH) | 1.1" |
| Mean hail (MESH) | 1.1" |
| Swath area | 1.3 mi² (3 km²) |
| Radar cells (~1 km grid) | 4 |
| First radar detection | 2026-07-20 13:30 UTC |
| Last radar detection | 2026-07-20 14:28 UTC |
| Verified | 2026-07-20 13:31 UTC |
| Swath centroid | 46.6425, -89.4050 |
| Storm ID | sw_9a0f1bcc |
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Ontonagon County, MI — verified storm record
Swath has 11 radar-verified hail storms on record for Ontonagon County, MI going back to August 2025, the largest measuring 2.61″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.
