This alert expired on 10 July 2026 at 00:15 UTC. It is kept here as a record.
It is the 11th strongest of the 72 detections recorded within 20 km of this point since 9 April 2026. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 9 at 5:56PM MDT until July 9 at 6:15PM MDT by NWS Denver CO
Nearby, since 9 April 2026
- May 21, 2026 · score 46 · 11.7 km
- June 23, 2026 · score 46 · 16.9 km
- June 25, 2026 · score 46 · 24.7 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, at 59 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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 |
| Our confidence | 59% |
| Coordinates | 39.6489, -102.8677 |
| Nearest City | Parker (163 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-09T23:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.f2d35d316d9646cd513898de5f6a2327 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Washington, CO; Adams, CO; Morgan, CO; Washington, CO; Cheyenne, CO; Kit Carson, CO and 3 more areas |
| Headline | Severe Thunderstorm Warning issued July 9 at 5:56PM MDT until July 9 at 6:15PM MDT by NWS Denver CO |
| Expires | 2026-07-09T18:15:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f2d35d316d9646cd513898de5f6a23272348789c.001.1","noaa_urn:oid:2.49.0.1.840.0.b98bb4bbfc52357ef3043d13788b5b0bf1900c27.001.1","noaa_urn:oid:2.49.0.1.840.0.eda1f874462f5fc8cb14795b21ca0ad0a504f009.001.1","noaa_urn:oid:2.49.0.1.840.0.b238ce7fb2594ab91ce2f589ce4f2c54dfe8c058.001.1","noaa_urn:oid:2.49.0.1.840.0.335372797a191f551800b6072ee1e12d8b79cc41.001.1","noaa_urn:oid:2.49.0.1.840.0.0c93286258b33e5029e3978ab568852a48c6c9dd.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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.