Right now
The most recent data we hold from NOAA arrived 3 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 10 June 2026 at 01:00 UTC. It is kept here as a record.
It is the 41st strongest of the 49 detections recorded within 20 km of this point since 5 June 2026. The last comparable one was on 5 June 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 9 at 6:19PM MDT until June 9 at 7:00PM MDT by NWS North Platte NE
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 60 % 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) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 42.8081, -101.9339 |
| Nearest City | Rapid City (176 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-10T00:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.58b4d646eae1d31cabc6313b07934681 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Garden, NE; Grant, NE; Sheridan, NE; Arthur, NE; Garden, NE; Grant, NE; Hooker, NE; Keith, NE; McPherson, NE; Bennett, SD; Jackson, SD; Oglala Lakota, SD and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 9 at 6:19PM MDT until June 9 at 7:00PM MDT by NWS North Platte NE |
| Expires | 2026-06-09T19:00:00-06:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.58b4d646eae1d31cabc6313b079346815725519f.001.1","noaa_urn:oid:2.49.0.1.840.0.a8f3180f9c0d11a71d03e57d159d5ae3fad45a2e.001.1","noaa_urn:oid:2.49.0.1.840.0.873e95e978190fb4a607c11af05827a8aadc9336.001.1","noaa_urn:oid:2.49.0.1.840.0.5d2706693ff215a621c8fed5a14a9bab7ada23bd.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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