Right now
The most recent data we hold from NOAA arrived 1 minute ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
2 other detections within 20 km in the last 24 hours, the nearest 17 km from here.
This alert expired on 19 September 2026 at 22:00 UTC. It is kept here as a record.
It is the 6th strongest of the 46 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 19 at 3:14PM MDT until September 19 at 4:00PM MDT by NWS Denver CO
Nearby, since 15 March 2026
- June 9, 2026 · score 46 · 10.9 km
- July 11, 2026 · score 22 · 11.7 km
- June 8, 2026 · score 16 · 17.5 km
How we know
3 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 | 0.68/1 |
| Coordinates | 39.2340, -103.6240 |
| Nearest City | Cimarron Hills (102 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-19T21:14:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.5ffe59cd4c0817d21484ce3d1190b68795093ee0.001.1 |
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: 2026-09-19T21:14:00.000Z.
First archived: 2026-09-19T21:17:45.245Z. 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 | Lincoln, CO; Elbert, CO; Lincoln, CO |
| Headline | Severe Thunderstorm Warning issued September 19 at 3:14PM MDT until September 19 at 4:00PM MDT by NWS Denver CO |
| Expires | 2026-09-19T16:00:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5ffe59cd4c0817d21484ce3d1190b68795093ee0.001.1","noaa_urn:oid:2.49.0.1.840.0.b8b6dfac5ea51d7036733c640c64238c7d8a8bca.001.1"] |
| Spc ReportType | hail |
| Spc Speed | 125 |
| Spc Location | 5 N Matheson |
| Spc County | Elbert |
| Spc State | CO |
| Spc Comments | (BOU) |
| Iem TypeSummary | G |
| Iem Magnitude | 59 |
| Iem Unit | MPH |
| Iem City | 2 SSE Byers |
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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