This alert expired on 11 July 2026 at 01:20 UTC. It is kept here as a record.
It is the 2nd strongest of the 29 detections recorded within 20 km of this point since 21 May 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 10 at 7:11PM MDT until July 10 at 7:15PM MDT by NWS Goodland KS
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 60 % 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 | 60% |
| Coordinates | 39.5663, -103.6414 |
| Nearest City | Parker (96 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-11T01:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.908b63b2e332c895f97777cc5c3ac0e6 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cheyenne, CO; Adams, CO; Central Arapahoe, CO; Eastern Arapahoe, CO; Weld, CO |
| Headline | Severe Thunderstorm Warning issued July 10 at 7:11PM MDT until July 10 at 7:15PM MDT by NWS Goodland KS |
| Expires | 2026-07-10T19:20:00-06:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.908b63b2e332c895f97777cc5c3ac0e63fbd459d.001.1","noaa_urn:oid:2.49.0.1.840.0.0669d560d15a42d4c41f6c37949319997e786072.001.1","noaa_urn:oid:2.49.0.1.840.0.df618748ce9963902a0c9f38b17cc35cffbda164.001.1"] |
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.