Right now
The most recent data we hold from NOAA arrived 59 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 8 July 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 42 recorded within 20 km of this point since 28 April 2026 — 8 others scored the same. The last comparable one was on 2 July 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 8 at 4:19PM MDT until July 8 at 5:00PM MDT by NWS Cheyenne WY
Nearby, since 28 April 2026
- June 8, 2026 · score 22 · 18.8 km
- July 21, 2026 · score 16 · 20.6 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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 42.0969, -104.2888 |
| Nearest City | Cheyenne (115 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-08T22:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.9c54639cc553e462569275f69e9fcc22 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-08T22:19:00.000Z.
First archived: 2026-07-08T22:23:15.046Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Kimball, NE; Laramie, WY; Goshen, WY; Morgan, CO; Weld, CO and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 8 at 4:19PM MDT until July 8 at 5:00PM MDT by NWS Cheyenne WY |
| Expires | 2026-07-08T17:00:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9c54639cc553e462569275f69e9fcc22467c1fbd.001.1","noaa_urn:oid:2.49.0.1.840.0.7da7c2bb37411020f5410ac813db17ec9ea84407.001.1","noaa_urn:oid:2.49.0.1.840.0.6b557c0401a06749a6379c3989d5efa38525eff5.001.1","noaa_urn:oid:2.49.0.1.840.0.1c7673f89b68d28456f51674da6fd181cb4bb798.002.1","noaa_urn:oid:2.49.0.1.840.0.0cf8bd4ef143bc30c88781635db155fafe5e976c.001.1","noaa_urn:oid:2.49.0.1.840.0.54ce80531ed975d82d448c0aad35bb5f6b1e7f35.001.1"] |
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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