This alert expired on 25 June 2026 at 02:18 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 6 May 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 24 at 8:08PM MDT until June 24 at 8:15PM MDT by NWS Denver CO
Nearby, since 6 May 2026
- June 24, 2026 · score 22 · 8.8 km
- May 9, 2026 · score 22 · 11.5 km
- June 3, 2026 · score 16 · 17.5 km
How we know
Confirmed by 9 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 69 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 69% |
| Coordinates | 40.6133, -103.9850 |
| Nearest City | Greeley (65 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-25T02:08:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.14461bc86bc018975fe94a3e3257bfdc1076ab44.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Weld, CO |
| Headline | Tornado Warning issued June 24 at 8:08PM MDT until June 24 at 8:15PM MDT by NWS Denver CO |
| Expires | 2026-06-24T20:18:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 2.5 |
| Iem Unit | Inch |
| Iem City | 4 N Adena School |
| Iem County | Morgan |
| Iem State | CO |
| Iem Wfo | BOU |
| MergedSources | [{"id":"iem_H_40.060_-103.600_1782342480000","source":"iem","severity":"low","severityValue":25,"timestamp":1782342480000,"latitude":40.06,"longitude":-103.6},{"id":"iem_H_40.290_-103.820_1782338940000","source":"iem","severity":"low","severityValue":25,"timestamp":1782338940000,"latitude":40.29,"longitude":-103.82},{"id":"iem_H_40.290_-103.780_1782339480000","source":"iem","severity":"low","severityValue":25,"timestamp":1782339480000,"latitude":40.29,"longitude":-103.78},{"id":"iem_H_40.250_-103.800_1782339240000","source":"iem","severity":"low","severityValue":25,"timestamp":1782339240000,"latitude":40.25,"longitude":-103.8},{"id":"iem_H_40.190_-103.790_1782340860000","source":"iem","severity":"low","severityValue":25,"timestamp":1782340860000,"latitude":40.19,"longitude":-103.79},{"id":"iem_H_40.290_-103.820_1782339300000","source":"iem","severity":"low","severityValue":25,"timestamp":1782339300000,"latitude":40.29,"longitude":-103.82},{"id":"iem_G_40.460_-103.430_1782339960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782339960000,"latitude":40.46,"longitude":-103.43},{"id":"iem_H_40.180_-103.800_1782340260000","source":"iem","severity":"low","severityValue":25,"timestamp":1782340260000,"latitude":40.18,"longitude":-103.8}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 46/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.