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 3 June 2026 at 01:15 UTC. It is kept here as a record.
No stronger detection stands among the 104 recorded within 20 km of this point since 15 March 2026 — 34 others scored the same. The last comparable one was on 31 May 2026. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 2 at 6:25PM MDT until June 2 at 7:15PM MDT by NWS Rapid City SD
An estimated 73,569 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 27, 2026 · score 39 · 9.1 km
- July 29, 2026 · score 39 · 9.4 km
- July 25, 2026 · score 39 · 12.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 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) | 39 / 100 |
| Our confidence | 80% |
| Coordinates | 44.3104, -103.0048 |
| Nearest City | Rapid City (31 km) |
| Population Exposed | 73.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-03T00:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.610238dbe1d9870a56606c6e1ce98b0f |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Crook, WY; Carter, MT; Oglala Lakota, SD and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 2 at 6:25PM MDT until June 2 at 7:15PM MDT by NWS Rapid City SD |
| Expires | 2026-06-02T19:15:00-06:00 |
| SenderName | NWS Rapid City SD |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.610238dbe1d9870a56606c6e1ce98b0f1a2abd28.001.1","noaa_urn:oid:2.49.0.1.840.0.8f9ed859c2fd21d28e7ee74f19e2208fac276e15.001.1","noaa_urn:oid:2.49.0.1.840.0.232b58f16e176b234e0ff65707d7b89f6af125a7.002.1","noaa_urn:oid:2.49.0.1.840.0.b9686cec166b423b76ef5defbffe818310d47c99.001.1"] |
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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