Right now
The most recent data we hold from NOAA arrived 9 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 21 September 2026 at 07:15 UTC. It is kept here as a record.
No stronger detection stands among the 18 recorded within 20 km of this point since 24 June 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 21 at 12:28AM MDT until September 21 at 1:15AM MDT by NWS Denver CO
Nearby, since 24 June 2026
- July 23, 2026 · score 22 · 15.4 km
- September 19, 2026 · score 28 · 16.9 km
- July 10, 2026 · score 22 · 24.3 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
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 | 0.67/1 |
| Coordinates | 38.8460, -103.6680 |
| Nearest City | Cimarron Hills (89 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-21T06:28:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.78fe70ca989de0d4b7a3f7801ae9a1ce167ab2c6.001.1 |
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: noaa. Occurrence: 2026-09-21T06:28:00.000Z.
First archived: 2026-09-21T06:35:44.183Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Elbert, CO; Lincoln, CO |
| Headline | Severe Thunderstorm Warning issued September 21 at 12:28AM MDT until September 21 at 1:15AM MDT by NWS Denver CO |
| Expires | 2026-09-21T01:15:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 275 |
| Spc Location | 3 E Wild Horse |
| Spc County | Cheyenne |
| Spc State | CO |
| Spc Comments | Spotter reported baseball size hail near Wild Horse... CO. (GLD) |
| MergedSources | [{"id":"spc_hail_39.29_-103.55_42","source":"spc","severity":"high","severityValue":65,"timestamp":1789973023994,"latitude":39.29,"longitude":-103.55},{"id":"spc_hail_39.26_-103.49_44","source":"spc","severity":"high","severityValue":65,"timestamp":1789973023994,"latitude":39.26,"longitude":-103.49},{"id":"spc_hail_39.07_-103.28_46","source":"spc","severity":"high","severityValue":65,"timestamp":1789973023994,"latitude":39.07,"longitude":-103.28},{"id":"spc_hail_38.86_-102.95_47","source":"spc","severity":"high","severityValue":65,"timestamp":1789973023994,"latitude":38.86,"longitude":-102.95},{"id":"spc_hail_38.90_-103.00_48","source":"spc","severity":"high","severityValue":65,"timestamp":1789973023994,"latitude":38.9,"longitude":-103},{"id":"spc_hail_38.82_-102.94_49","source":"spc","severity":"high","severityValue":65,"timestamp":1789973023994,"latitude":38.82,"longitude":-102.94}] |
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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