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 30 May 2026 at 22:35 UTC. It is kept here as a record.
It is the 64th strongest of the 91 detections recorded within 20 km of this point since 6 May 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 30 at 4:25PM MDT until May 30 at 4:30PM MDT by NWS Denver CO
Nearby, since 6 May 2026
- September 5, 2026 · score 28 · 13.0 km
- July 9, 2026 · score 22 · 16.1 km
- July 8, 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 16 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 | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 40.7331, -103.2492 |
| Nearest City | Evans (128 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-30T22:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.a0919ce264f706db7946af19dd320bb7 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Weld, CO; Chase, NE; Kimball, NE and 2 more areas |
| Headline | Severe Thunderstorm Warning issued May 30 at 4:25PM MDT until May 30 at 4:30PM MDT by NWS Denver CO |
| Expires | 2026-05-30T16:35:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a0919ce264f706db7946af19dd320bb719d8fa24.001.1","noaa_urn:oid:2.49.0.1.840.0.9c9efcc7e1dbe1e07bbb642b03153912437f618c.001.1","noaa_urn:oid:2.49.0.1.840.0.d68bef0c3547f3f28909617fdd146305cab01439.001.1","noaa_urn:oid:2.49.0.1.840.0.42e3e009691b61be68e0222314aa06d949bb0da2.001.1","noaa_urn:oid:2.49.0.1.840.0.462a901b5fe69e536c1816978a77fa43a8e514ba.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 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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