Verified storm · closed
1.2–1.9" hail crossed San Bernardino County, CA — September 5, 2025
Measured against the NOAA MRMS national radar feed on its 2-minute cycle — a verified event, not a forecast.
Storm stats
| County | San Bernardino County, CA |
|---|---|
| Max hail (MESH) | 1.9" |
| Mean hail (MESH) | 1.2" |
| Swath area | 11 mi² (28 km²) |
| Radar cells (~1 km grid) | 27 |
| First radar detection | 2025-09-05 01:00 UTC |
| Last radar detection | 2025-09-05 02:00 UTC |
| Verified | 2025-09-05 01:00 UTC |
| Swath centroid | 34.3565, -115.1557 |
| Storm ID | sw_c7fb0953 |
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