Right now
The most recent data we hold from NOAA arrived 1 minute ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
4 other detections within 20 km in the last 24 hours, the nearest 2 km from here.
This alert expired on 19 September 2026 at 00:45 UTC. It is kept here as a record.
It is the 20th strongest of the 45 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 18 September 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued September 18 at 7:11PM CDT until September 18 at 7:45PM CDT by NWS Goodland KS
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 16 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 v5. 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 |
| Legacy data-support index | 0.70/1 |
| Coordinates | 39.7614, -101.1829 |
| Nearest City | North Platte (155 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-19T00:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.414d01045e5079624378f857fe5c35676c7ca9fd.001.1 |
Physical priority index · v5. 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: 2026-09-19T00:11:00.000Z.
First archived: 2026-09-19T00:15:20.775Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
2026-09-19T00:26:16.357Z · data_change
Index 16 → 16; severity medium → medium; version 5 → 5.
2026-09-19T00:20:55.397Z · data_change
Index 16 → 16; severity medium → medium; version 5 → 5.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cheyenne, KS; Rawlins, KS |
| Headline | Severe Thunderstorm Warning issued September 18 at 7:11PM CDT until September 18 at 7:45PM CDT by NWS Goodland KS |
| Expires | 2026-09-18T19:45:00-05:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 13 S Wheeler |
| Spc County | Cheyenne |
| Spc State | KS |
| Spc Comments | Delayed relayed report of signs down at KS-27 just north of Cheyenne/Sherman county line. (GLD) |
| Iem TypeSummary | D |
| Iem City | 13 S Wheeler |
| Iem County | Cheyenne |
| Iem State | KS |
| Iem Wfo | GLD |
| Iem Remark | Delayed relayed report of signs down at KS-27 just north of Cheyenne/Sherman county line. |
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?