Right now
The most recent data we hold from NOAA arrived 13 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 July 2026 at 00:15 UTC. It is kept here as a record.
It is the 10th strongest of the 53 detections recorded within 20 km of this point since 2 June 2026. The last comparable one was on 2 July 2026. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 9 at 5:21PM MDT until July 9 at 6:15PM MDT by NWS Goodland KS
Nearby, since 2 June 2026
- June 2, 2026 · score 46 · 15.6 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 | 0.59/1 |
| Coordinates | 41.7271, -102.6042 |
| Nearest City | North Platte (167 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-09T23:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.02391fd7d399c8885acd3b674884c0f1 |
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: 2026-07-09T23:21:00.000Z.
First archived: 2026-07-09T23:26:37.332Z. 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 | Cheyenne, CO; Kit Carson, CO; Logan, CO; Box Butte, NE and 3 more areas |
| Headline | Severe Thunderstorm Warning issued July 9 at 5:21PM MDT until July 9 at 6:15PM MDT by NWS Goodland KS |
| Expires | 2026-07-09T18:15:00-06:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.02391fd7d399c8885acd3b674884c0f10714a628.001.1","noaa_urn:oid:2.49.0.1.840.0.7d66127ae323baf85e5aabb8542db51cef9f732e.001.1","noaa_urn:oid:2.49.0.1.840.0.f9578661327024b0cd80a83211025c9e3bb41853.001.1","noaa_urn:oid:2.49.0.1.840.0.cbc52866ccb5840fe14cb0a19650648505c6b09a.002.1","noaa_urn:oid:2.49.0.1.840.0.fea993d57875c14ca872d73054db8e8849effec6.002.1","noaa_urn:oid:2.49.0.1.840.0.5078f23f61e768aac0a9e0a21b1179962b2ab438.001.1"] |
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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