Right now
The most recent data we hold from NOAA arrived 14 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 22 June 2026 at 22:00 UTC. It is kept here as a record.
No stronger detection stands among the 13 recorded within 20 km of this point since 21 June 2026 — 4 others scored the same. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 22 at 3:36PM MDT until June 22 at 4:00PM MDT by NWS Rapid City SD
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 46 out of 100, at 62 % 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 | Critical |
| Calamity Score (ours) | 46 / 100 |
| Our confidence | 62% |
| Coordinates | 43.1424, -105.0361 |
| Nearest City | Casper (108 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-22T21:36:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.fc0072c3dccea95036eef8b0d3717f0b |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Campbell, WY; Goshen, WY; Niobrara, WY |
| Headline | Tornado Warning issued June 22 at 3:36PM MDT until June 22 at 4:00PM MDT by NWS Rapid City SD |
| Expires | 2026-06-22T16:00:00-06:00 |
| SenderName | NWS Rapid City SD |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.fc0072c3dccea95036eef8b0d3717f0ba12c4604.001.1","noaa_urn:oid:2.49.0.1.840.0.95c95e97efcffbc2e7673155f83edaec3fa6b4d4.002.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 4 W Lusk |
| Iem County | Niobrara |
| Iem State | WY |
| Iem Wfo | CYS |
| MergedSources | [{"id":"iem_H_42.760_-104.530_1782163080000","source":"iem","severity":"low","severityValue":25,"timestamp":1782163080000,"latitude":42.76,"longitude":-104.53}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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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