Right now
The most recent data we hold from NOAA arrived 5 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 5 June 2026 at 04:30 UTC. It is kept here as a record.
No stronger detection stands among the 42 recorded within 20 km of this point since 28 March 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 4 at 10:52PM CDT until June 4 at 11:30PM CDT by NWS North Platte NE
Nearby, since 28 March 2026
- July 6, 2026 · score 22 · 6.7 km
- July 30, 2026 · score 22 · 15.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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 | 61% |
| Coordinates | 43.4595, -99.9646 |
| Nearest City | Mitchell (158 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-05T03:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f118605c51dbb61c9815410249e839aa |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Brown, NE; Cherry, NE; Keya Paha, NE; Hughes, SD; Lyman, SD; Stanley, SD; Hughes, SD and 2 more areas |
| Headline | Severe Thunderstorm Warning issued June 4 at 10:52PM CDT until June 4 at 11:30PM CDT by NWS North Platte NE |
| Expires | 2026-06-04T23:30:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f118605c51dbb61c9815410249e839aab8adc1f6.001.1","noaa_urn:oid:2.49.0.1.840.0.661c528a2ed94c391335b859549a12851f615477.002.1","noaa_urn:oid:2.49.0.1.840.0.0ec404b7c4afa798f81a3bfa0de0cf59c63557fc.001.1","noaa_urn:oid:2.49.0.1.840.0.1790ef73e212751fc40e3f66b723c7d59b2eaf78.001.1","noaa_urn:oid:2.49.0.1.840.0.fb49aae805ab64b82f10305b51725e4a5f7c500e.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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