Right now
The most recent data we hold from NOAA arrived 47 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 22 June 2026 at 03:30 UTC. It is kept here as a record.
It is the 7th strongest of the 24 detections recorded within 20 km of this point since 22 May 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 21 at 8:56PM MDT until June 21 at 9:30PM MDT by NWS Denver CO
Nearby, since 22 May 2026
- June 22, 2026 · score 22 · 16.3 km
- June 23, 2026 · score 22 · 18.6 km
How we know
7 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 | 0.69/1 |
| Coordinates | 40.3283, -102.6211 |
| Nearest City | Evans (175 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-22T02:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.1f02b99cf09fd43231eb3c7c7710eb0e |
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: 2026-06-22T02:56:00.000Z.
First archived: 2026-06-22T03:09:35.976Z. 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 | Phillips, CO; Yuma, CO; Washington, CO |
| Headline | Severe Thunderstorm Warning issued June 21 at 8:56PM MDT until June 21 at 9:30PM MDT by NWS Denver CO |
| Expires | 2026-06-21T21:30:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1f02b99cf09fd43231eb3c7c7710eb0e6ab43d5f.001.1","noaa_urn:oid:2.49.0.1.840.0.82d94b94a360b6d64db2b9cbb5fdfd5616d19fab.001.1","noaa_urn:oid:2.49.0.1.840.0.2af89500b31577242621b37055a93b9f0588b4b8.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 2 |
| Iem Unit | Inch |
| Iem City | 3 ENE Highland Center |
| Iem County | Phillips |
| Iem State | CO |
| Iem Wfo | BOU |
| MergedSources | [{"id":"iem_H_40.530_-102.990_1782091800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782091800000,"latitude":40.53,"longitude":-102.99},{"id":"iem_G_39.970_-102.200_1782076500000","source":"iem","severity":"low","severityValue":25,"timestamp":1782076500000,"latitude":39.97,"longitude":-102.2},{"id":"iem_G_40.020_-101.920_1782076620000","source":"iem","severity":"low","severityValue":25,"timestamp":1782076620000,"latitude":40.02,"longitude":-101.92},{"id":"iem_H_40.510_-102.990_1782091800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782091800000,"latitude":40.51,"longitude":-102.99},{"id":"iem_H_40.540_-102.840_1782092580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782092580000,"latitude":40.54,"longitude":-102.84},{"id":"iem_H_40.550_-102.520_1782095700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782095700000,"latitude":40.55,"longitude":-102.52}] |
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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