Right now
The most recent data we hold from NOAA arrived 69 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 30 May 2026 at 02:45 UTC. It is kept here as a record.
It is the 20th strongest of the 64 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 22 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 29 at 9:19PM CDT until May 29 at 9:45PM CDT by NWS Goodland KS
Nearby, since 15 March 2026
- June 20, 2026 · score 46 · 25.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 68 % 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) | 22 / 100 |
| Our confidence | 68% |
| Coordinates | 39.8820, -100.6400 |
| Nearest City | North Platte (138 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-30T02:19:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.0a52ff4490cbab8cae2c9683ba0c7ac15bc21429.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Decatur, KS; Rawlins, KS; Red Willow, NE |
| Headline | Severe Thunderstorm Warning issued May 29 at 9:19PM CDT until May 29 at 9:45PM CDT by NWS Goodland KS |
| Expires | 2026-05-29T21:45:00-05:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.88 |
| Iem Unit | Inch |
| Iem City | 1 NE Gem |
| Iem County | Thomas |
| Iem State | KS |
| Iem Wfo | GLD |
| Iem Remark | Spotter reported dime to nickel size hail. |
| MergedSources | [{"id":"iem_G_39.440_-100.880_1780097400000","source":"iem","severity":"low","severityValue":25,"timestamp":1780097400000,"latitude":39.44,"longitude":-100.88},{"id":"iem_H_39.440_-100.880_1780097700000","source":"iem","severity":"low","severityValue":25,"timestamp":1780097700000,"latitude":39.44,"longitude":-100.88}] |
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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