Right now
The most recent data we hold from NOAA arrived 2 hours 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 31 May 2026 at 00:50 UTC. It is kept here as a record.
It is the strongest of the 28 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 17 May 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 30 at 6:40PM MDT until May 30 at 6:45PM MDT by NWS Denver CO
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 | 40.6507, -101.8153 |
| Nearest City | North Platte (102 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-31T00:40:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.1b3f719dcf8fd79b4237c8005157d3a4 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Phillips, CO; Phillips, CO; Sedgwick, CO; Lincoln, NE |
| Headline | Tornado Warning issued May 30 at 6:40PM MDT until May 30 at 6:45PM MDT by NWS Denver CO |
| Expires | 2026-05-30T18:50:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1b3f719dcf8fd79b4237c8005157d3a421a48cdf.001.1","noaa_urn:oid:2.49.0.1.840.0.f4a6dc03acad3c1a713e34e34308128a57f06d4d.001.1","noaa_urn:oid:2.49.0.1.840.0.26d392eaa44fc90fff0152648b5755b445c48633.001.1"] |
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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