Right now
The most recent data we hold from NOAA arrived 40 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 21 May 2026 at 22:45 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 15 March 2026 — 14 others scored the same. The last comparable one was on 15 March 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 21 at 5:21PM CDT until May 21 at 5:45PM CDT by NWS Amarillo TX
Nearby, since 15 March 2026
- May 21, 2026 · score 22 · 2.7 km
- June 30, 2026 · score 22 · 15.2 km
- August 5, 2026 · score 16 · 19.2 km
How we know
2 recorded sources include NOAA; independence is not established by this count.
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 | 0.63/1 |
| Coordinates | 36.9937, -102.7989 |
| Nearest City | Dumas (145 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-05-21T22:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d54e5c98392cda0678c86823a2138e9a |
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: 2026-05-21T22:21:00.000Z.
First archived: 2026-05-21T22:33:09.711Z. 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 | Cimarron, OK; Baca, CO |
| Headline | Severe Thunderstorm Warning issued May 21 at 5:21PM CDT until May 21 at 5:45PM CDT by NWS Amarillo TX |
| Expires | 2026-05-21T17:45:00-05:00 |
| SenderName | NWS Amarillo TX |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d54e5c98392cda0678c86823a2138e9a4eada7c5.001.1","noaa_urn:oid:2.49.0.1.840.0.43a2478cba288cb9a9fbc3ddce0b6a7c0ae9e674.001.1"] |
| Iem TypeSummary | W |
| Iem City | 6 NNW Pritchett |
| Iem County | Baca |
| Iem State | CO |
| Iem Wfo | PUB |
| Iem Remark | Brief landspout. |
| MergedSources | [{"id":"iem_W_37.450_-102.900_1779399900000","source":"iem","severity":"low","severityValue":25,"timestamp":1779399900000,"latitude":37.45,"longitude":-102.9}] |
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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