Right now
The most recent data we hold from NOAA arrived 3 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 25 June 2026 at 03:51 UTC. It is kept here as a record.
It is the 6th strongest of the 40 detections recorded within 20 km of this point since 18 April 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 24 at 9:41PM MDT until June 24 at 9:45PM MDT by NWS Denver CO
Nearby, since 18 April 2026
- June 1, 2026 · score 46 · 4.0 km
- July 9, 2026 · score 22 · 7.5 km
- June 22, 2026 · score 22 · 16.0 km
How we know
15 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 | 40.1153, -102.8724 |
| Nearest City | Evans (157 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-25T03:41:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.4e536e94da75d8d6f57427da8cf29f08 |
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: 2026-06-25T03:41:00.000Z.
First archived: 2026-06-25T03:44:46.365Z. 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 | Washington, CO; Jefferson, CO; Adams, CO and 8 more areas |
| Headline | Severe Thunderstorm Warning issued June 24 at 9:41PM MDT until June 24 at 9:45PM MDT by NWS Denver CO |
| Expires | 2026-06-24T21:51:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4e536e94da75d8d6f57427da8cf29f08f0a5c8b9.001.1","noaa_urn:oid:2.49.0.1.840.0.e4578a1b82c51aa674d72205093d74790f314da2.002.1","noaa_urn:oid:2.49.0.1.840.0.f9e3706232198201b324ddfa718d96de59e82d54.001.1","noaa_urn:oid:2.49.0.1.840.0.84d51f00fcc59e9511c39b2e78b9464af73c5157.001.1","noaa_urn:oid:2.49.0.1.840.0.0e983dba633aa983a261e1ffe345327c46a2045f.001.1","noaa_urn:oid:2.49.0.1.840.0.5b142cf9de136d70fd45fba400823f392e5ad5bf.001.1","noaa_urn:oid:2.49.0.1.840.0.a3bca06230fb95f9d45796aa7a78b1be9cf90eeb.001.1","noaa_urn:oid:2.49.0.1.840.0.afa9956fc09f3c02aef9e45fdb8af4e406d6ff1e.001.1","noaa_urn:oid:2.49.0.1.840.0.016c73249651de12becf90cf92e9f538fb424f04.001.1","noaa_urn:oid:2.49.0.1.840.0.957e0f58c9f00bd18f12974e6e2e387279710ccf.001.1","noaa_urn:oid:2.49.0.1.840.0.c5142b9313b12a3cb7ae9e2b97f72667d824b75f.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.25 |
| Iem Unit | Inch |
| Iem City | Brush |
| Iem County | Morgan |
| Iem State | CO |
| Iem Wfo | BOU |
| MergedSources | [{"id":"iem_H_40.000_-103.460_1782343800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782343800000,"latitude":40,"longitude":-103.46},{"id":"iem_H_40.000_-103.440_1782344100000","source":"iem","severity":"low","severityValue":25,"timestamp":1782344100000,"latitude":40,"longitude":-103.44},{"id":"iem_H_39.900_-103.220_1782346560000","source":"iem","severity":"low","severityValue":25,"timestamp":1782346560000,"latitude":39.9,"longitude":-103.22},{"id":"iem_H_40.580_-102.720_1782349200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782349200000,"latitude":40.58,"longitude":-102.72},{"id":"iem_H_40.060_-103.600_1782342480000","source":"iem","severity":"low","severityValue":25,"timestamp":1782342480000,"latitude":40.06,"longitude":-103.6},{"id":"iem_H_40.270_-103.700_1782355560000","source":"iem","severity":"low","severityValue":25,"timestamp":1782355560000,"latitude":40.27,"longitude":-103.7},{"id":"iem_G_40.160_-103.230_1782344280000","source":"iem","severity":"low","severityValue":25,"timestamp":1782344280000,"latitude":40.16,"longitude":-103.23},{"id":"iem_G_40.170_-103.220_1782343740000","source":"iem","severity":"low","severityValue":25,"timestamp":1782343740000,"latitude":40.17,"longitude":-103.22},{"id":"iem_H_39.940_-103.280_1782346320000","source":"iem","severity":"low","severityValue":25,"timestamp":1782346320000,"latitude":39.94,"longitude":-103.28},{"id":"iem_H_40.570_-102.680_1782348840000","source":"iem","severity":"low","severityValue":25,"timestamp":1782348840000,"latitude":40.57,"longitude":-102.68},{"id":"iem_H_40.530_-102.630_1782349440000","source":"iem","severity":"low","severityValue":25,"timestamp":1782349440000,"latitude":40.53,"longitude":-102.63},{"id":"iem_T_40.700_-102.860_1782347100000","source":"iem","severity":"low","severityValue":25,"timestamp":1782347100000,"latitude":40.7,"longitude":-102.86},{"id":"iem_G_40.460_-103.430_1782339960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782339960000,"latitude":40.46,"longitude":-103.43},{"id":"iem_H_40.260_-103.620_1782356220000","source":"iem","severity":"low","severityValue":25,"timestamp":1782356220000,"latitude":40.26,"longitude":-103.62}] |
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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