Right now
The most recent data we hold from NOAA arrived 73 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 31 May 2026 at 02:00 UTC. It is kept here as a record.
It is the 5th strongest of the 37 detections recorded within 20 km of this point since 27 April 2026. 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: Severe Thunderstorm Warning issued May 30 at 7:14PM MDT until May 30 at 8:00PM MDT by NWS North Platte NE
An estimated 24,194 people live within 50 km of this point.
Nearby, since 27 April 2026
- June 25, 2026 · score 34 · 14.8 km
- August 29, 2026 · score 34 · 17.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 80 % 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) | 34 / 100 |
| Our confidence | 80% |
| Coordinates | 40.9690, -100.2580 |
| Nearest City | North Platte (46 km) |
| Population Exposed | 24.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-31T01:14:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.09c2fbdeabba3bd382b215e3d6dff03c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Arthur, NE; Deuel, NE; Garden, NE; Grant, NE; Keith, NE; Perkins, NE; Cherry, NE; Grant, NE; Hooker, NE; Logan, NE; McPherson, NE; Thomas, NE; Phillips, CO; Sedgwick, CO and 6 more areas |
| Headline | Severe Thunderstorm Warning issued May 30 at 7:14PM MDT until May 30 at 8:00PM MDT by NWS North Platte NE |
| Expires | 2026-05-30T20:00:00-06:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.09c2fbdeabba3bd382b215e3d6dff03c95403079.001.1","noaa_urn:oid:2.49.0.1.840.0.2fe2de52ffb4849a4aed6d93fbf0f1a6b5b5fffb.001.1","noaa_urn:oid:2.49.0.1.840.0.de2585fb2406ce07ad787ecff706b9b58036f096.001.1","noaa_urn:oid:2.49.0.1.840.0.804b9ecfc367aeda352990ffc859626487c33185.002.1","noaa_urn:oid:2.49.0.1.840.0.f87c8de102ee328772272f42252b1061af9d1ce3.001.1","noaa_urn:oid:2.49.0.1.840.0.985fe0e57249addf349b3971f602d974921ab468.001.1","noaa_urn:oid:2.49.0.1.840.0.8aeb5d57f7d9812cf315114345fdea489f207958.001.1","noaa_urn:oid:2.49.0.1.840.0.76ea4e8b79d99b16681be5332793fcd0d2ea727a.001.1","noaa_urn:oid:2.49.0.1.840.0.6a0f8faf3ba9cf381ad4c83c2eabcfc533f3714b.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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