Right now
The most recent data we hold from NOAA arrived 10 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 2 July 2026 at 09:15 UTC. It is kept here as a record.
It is the 6th strongest of the 140 detections recorded within 20 km of this point since 23 April 2026. The last comparable one was on 1 July 2026. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 2 at 2:29AM MDT until July 2 at 3:15AM MDT by NWS Cheyenne WY
Nearby, since 23 April 2026
- July 2, 2026 · score 22 · 5.1 km
- July 4, 2026 · score 22 · 19.7 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 | 0.61/1 |
| Coordinates | 41.1877, -103.0175 |
| Nearest City | Cheyenne (151 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-02T08:29:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.905e6a7e176730ffd17f97a41f066c17 |
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: 2026-07-02T08:29:00.000Z.
First archived: 2026-07-02T08:31:15.536Z. 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 | Morrill, NE; Logan, CO |
| Headline | Severe Thunderstorm Warning issued July 2 at 2:29AM MDT until July 2 at 3:15AM MDT by NWS Cheyenne WY |
| Expires | 2026-07-02T03:15:00-06:00 |
| SenderName | NWS Cheyenne WY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.905e6a7e176730ffd17f97a41f066c17884c84c3.001.1","noaa_urn:oid:2.49.0.1.840.0.293a3807aa001061e84673beb663dc15d43d56f8.001.1","noaa_urn:oid:2.49.0.1.840.0.79af00cdb84cb2e014de1f2c436d2de147ece7f1.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
Want to know when something happens in this area?