Right now
The most recent data we hold from NOAA arrived 9 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 04:00 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 — 15 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 4 at 10:34PM CDT until June 4 at 11:00PM CDT by NWS North Platte NE
Nearby, since 28 March 2026
- July 30, 2026 · score 22 · 8.7 km
- July 6, 2026 · score 22 · 10.1 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 | 43.3814, -100.1417 |
| Nearest City | Mitchell (174 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-05T03:34:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.fb49aae805ab64b82f10305b51725e4a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cherry, NE; Hughes, SD; Jones, SD; Lyman, SD; Stanley, SD; Mellette, SD; Todd, SD; Tripp, SD |
| Headline | Severe Thunderstorm Warning issued June 4 at 10:34PM CDT until June 4 at 11:00PM CDT by NWS North Platte NE |
| Expires | 2026-06-04T23:00:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fb49aae805ab64b82f10305b51725e4a5f7c500e.001.1","noaa_urn:oid:2.49.0.1.840.0.38f2d1cff9bc8184ec1f4724ca207ee64e8c816e.001.1","noaa_urn:oid:2.49.0.1.840.0.d91cb9be31beb8d87f8234a7f0682056265c3c41.001.1"] |
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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