This alert expired on 27 June 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 16 recorded within 20 km of this point since 15 March 2026 — 3 others scored the same. The last comparable one was on 26 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 26 at 6:00PM MDT until June 26 at 6:15PM MDT by NWS Denver CO
Nearby, since 15 March 2026
- June 26, 2026 · score 22 · 0.2 km
- August 13, 2026 · score 22 · 16.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 57 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 57% |
| Coordinates | 38.7228, -103.1615 |
| Nearest City | Fountain (134 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-27T00:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.0b8a9098489432715cc3f71d8a36e18d |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lincoln, CO; Otero, CO; Cheyenne, CO and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 26 at 6:00PM MDT until June 26 at 6:15PM MDT by NWS Denver CO |
| Expires | 2026-06-26T18:15:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.0b8a9098489432715cc3f71d8a36e18dbcfadad1.001.1","noaa_urn:oid:2.49.0.1.840.0.eb549ab385d142d3510e5e3355de6470f75ac131.001.1","noaa_urn:oid:2.49.0.1.840.0.05c9ebec194c673fe20622037a4a8d0263085f6a.001.1","noaa_urn:oid:2.49.0.1.840.0.8ca5757f7e18e6e76c3152b436d7302f06fffd26.001.1"] |
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 10 February 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.
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 188 scientific monitoring sources.