Right now
The most recent data we hold from SPC arrived 2 minutes ago, and this point is in it.
101 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
Reported by SPC today.
No stronger detection stands among the 123 recorded within 20 km of this point since 15 March 2026 — 99 others scored the same. Another comparable one was recorded here earlier the same day. 101 more were recorded here in the fortnight before it.
What the source measured
SPC reported: Hail 275 in near 3 E Wild Horse, Cheyenne, CO. Spotter reported baseball size hail near Wild Horse... CO. (GLD)
Nearby, since 15 March 2026
- September 20, 2026 · score 28 · 6.2 km
- September 20, 2026 · score 28 · 16.3 km
- June 27, 2026 · score 22 · 22.0 km
How we know
One source: SPC. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | High |
| Calamity Score (ours) | 28 / 100 |
| Legacy data-support index | 0.47/1 |
| Coordinates | 38.8200, -102.9400 |
| Nearest City | Cimarron Hills (152 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-21T09:37:12.982Z |
| Source | https://www.spc.noaa.gov/climo/reports/today.html |
Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: spc. Occurrence: 2026-09-21T09:37:12.982Z.
First archived: 2026-09-21T08:28:54.781Z. Material modification: 2026-09-21T09:39:16.235Z.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-21T09:39:16.235Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T09:33:54.254Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T09:28:31.538Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T09:23:07.419Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T09:17:45.421Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T09:07:01.617Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T09:01:41.238Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T08:56:19.200Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T08:50:54.789Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T08:45:32.276Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T08:40:09.028Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
2026-09-21T08:34:43.993Z · data_change
Index 28 → 28; severity high → high; version 5 → 5.
Score Breakdown
Technical Details
| ReportType | hail |
| Speed | 275 |
| Location | 3 E Wild Horse |
| County | Cheyenne |
| State | CO |
| Comments | Spotter reported baseball size hail near Wild Horse... CO. (GLD) |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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