Verified storm · closed
3.3–5.7" hail crossed St. Lawrence County, NY — April 1, 2026
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | St. Lawrence County, NY |
|---|---|
| Max hail (MESH) | 5.7" |
| Mean hail (MESH) | 3.3" |
| Swath area | 2 mi² (5 km²) |
| Radar cells (~1 km grid) | 6 |
| First radar detection | 2026-04-01 07:00 UTC |
| Last radar detection | 2026-04-01 07:00 UTC |
| Verified | 2026-04-01 07:00 UTC |
| Swath centroid | 44.4400, -75.3050 |
| Storm ID | sw_81a22e7a |
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St. Lawrence County, NY — verified storm record
Swath has 108 radar-verified hail storms on record for St. Lawrence County, NY going back to August 2025, the largest measuring 5.87″. Every one was measured against NOAA MRMS radar — not estimated, and not a forecast.