Right now
The most recent data we hold from NOAA arrived 68 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 1 June 2026 at 22:15 UTC. It is kept here as a record.
No stronger detection stands among the 31 recorded within 20 km of this point since 21 May 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 1 at 3:36PM MDT until June 1 at 4:15PM MDT by NWS Denver CO
Nearby, since 21 May 2026
- June 24, 2026 · score 22 · 9.0 km
- June 24, 2026 · score 22 · 14.4 km
- September 7, 2026 · score 16 · 25.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 out of 100, at 60 % 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 | 60% |
| Coordinates | 39.7892, -104.0167 |
| Nearest City | Aurora (70 km) |
| Impact Tier | minor |
| Date | 2026-06-01 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.3e02aedfc72f92a349354f5d25aadde0 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Adams, CO; Washington, CO; Adams, CO; Central Arapahoe, CO |
| Headline | Tornado Warning issued June 1 at 3:36PM MDT until June 1 at 4:15PM MDT by NWS Denver CO |
| Expires | 2026-06-01T16:15:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3e02aedfc72f92a349354f5d25aadde05a6f1df9.001.1","noaa_urn:oid:2.49.0.1.840.0.637c179d98c971eb9d9edf18dd3805318b150bf5.001.1"] |
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.
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