Right now
The most recent data we hold from NOAA arrived 6 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 9 June 2026 at 01:15 UTC. It is kept here as a record.
It is the 23rd strongest of the 43 detections recorded within 20 km of this point since 28 April 2026. The last comparable one was on 3 June 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 8 at 6:23PM MDT until June 8 at 7:15PM MDT by NWS Cheyenne WY
Nearby, since 28 April 2026
- September 6, 2026 · score 28 · 6.3 km
- May 21, 2026 · score 22 · 7.1 km
- May 9, 2026 · score 22 · 7.5 km
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 | 40.8364, -103.6648 |
| Nearest City | Greeley (100 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-09T00:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.322c3c0f4b65891722635f85fff3aba3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Scotts Bluff, NE; Goshen, WY; Goshen, WY; Laramie, WY; Platte, WY; Scotts Bluff, NE and 6 more areas |
| Headline | Severe Thunderstorm Warning issued June 8 at 6:23PM MDT until June 8 at 7:15PM MDT by NWS Cheyenne WY |
| Expires | 2026-06-08T19:15:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| MergedCount | 10 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.322c3c0f4b65891722635f85fff3aba3cd797a43.001.1","noaa_urn:oid:2.49.0.1.840.0.214898c22cf6bd0fa39cb28dd1e18c32edad778c.001.1","noaa_urn:oid:2.49.0.1.840.0.8b4710bda57d129378950ee7a0813ac28acc5b60.001.1","noaa_urn:oid:2.49.0.1.840.0.f170c31c0098b032ea32b474485554c5238d0e70.001.1","noaa_urn:oid:2.49.0.1.840.0.a62d917b9ba46f472a8f74b02e5a580eae2d0c51.001.1","noaa_urn:oid:2.49.0.1.840.0.0a1b9e107b2624a4908ca765d9eb561e41578662.001.1","noaa_urn:oid:2.49.0.1.840.0.064e648eeb60ff4d8f6dba71affa6b0dba58b44e.002.1","noaa_urn:oid:2.49.0.1.840.0.a483adff71a6365b11e4389b4092252b4b5fa8ef.001.1","noaa_urn:oid:2.49.0.1.840.0.232a47284700ee1a3ee19d91abfa5ae485a9c451.001.1","noaa_urn:oid:2.49.0.1.840.0.2647d34f7dc4e8c418835cb376e98996ab1e7b8b.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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