This alert expired on 24 June 2026 at 03:32 UTC. It is kept here as a record.
It is the 4th strongest of the 23 detections recorded within 20 km of this point since 21 May 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 23 at 9:22PM MDT until June 23 at 9:30PM MDT by NWS Denver CO
Nearby, since 21 May 2026
- June 24, 2026 · score 22 · 15.6 km
- July 11, 2026 · score 22 · 25.4 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 70 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 70% |
| Coordinates | 39.8152, -103.9166 |
| Nearest City | Aurora (79 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-24T03:22:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.e96ea3314820f4394fd34d059f1fb25c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Morgan, CO; Elbert, CO; Morgan, CO; Weld, CO and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 23 at 9:22PM MDT until June 23 at 9:30PM MDT by NWS Denver CO |
| Expires | 2026-06-23T21:32:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e96ea3314820f4394fd34d059f1fb25c3c7dfd04.001.1","noaa_urn:oid:2.49.0.1.840.0.f6f2d32d4e5e3b7ede39752e9afa4498c23a31a2.001.1","noaa_urn:oid:2.49.0.1.840.0.6d30472e73a90b41ce8d3c345f440dee361296f0.001.1","noaa_urn:oid:2.49.0.1.840.0.478c45e8e7e0cdc84e0c1a4324b6423135ad2ab1.001.1","noaa_urn:oid:2.49.0.1.840.0.e5ab4cbeab14fa7ab156c8fbd83c5aaec6c6c13d.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 7 S Agate |
| Iem County | Elbert |
| Iem State | CO |
| Iem Wfo | BOU |
| MergedSources | [{"id":"iem_H_39.350_-103.870_1782261120000","source":"iem","severity":"low","severityValue":25,"timestamp":1782261120000,"latitude":39.35,"longitude":-103.87},{"id":"iem_H_40.290_-104.070_1782269700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782269700000,"latitude":40.29,"longitude":-104.07},{"id":"iem_H_39.240_-104.180_1782258960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782258960000,"latitude":39.24,"longitude":-104.18},{"id":"iem_H_39.870_-103.600_1782264840000","source":"iem","severity":"low","severityValue":25,"timestamp":1782264840000,"latitude":39.87,"longitude":-103.6},{"id":"iem_H_39.610_-103.570_1782259140000","source":"iem","severity":"low","severityValue":25,"timestamp":1782259140000,"latitude":39.61,"longitude":-103.57},{"id":"iem_H_40.380_-104.090_1782268560000","source":"iem","severity":"low","severityValue":25,"timestamp":1782268560000,"latitude":40.38,"longitude":-104.09},{"id":"iem_H_40.380_-104.090_1782269040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782269040000,"latitude":40.38,"longitude":-104.09},{"id":"iem_H_39.370_-103.960_1782260820000","source":"iem","severity":"low","severityValue":25,"timestamp":1782260820000,"latitude":39.37,"longitude":-103.96}] |
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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.