Right now
The most recent data we hold from NOAA arrived 2 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 10 May 2026 at 00:00 UTC. It is kept here as a record.
No stronger detection stands among the 55 recorded within 20 km of this point since 5 May 2026 — 20 others scored the same. 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 May 9 at 5:10PM MDT until May 9 at 6:00PM MDT by NWS Denver CO
An estimated 65,132 people live within 50 km of this point.
Nearby, since 5 May 2026
- May 9, 2026 · score 39 · 3.7 km
- June 7, 2026 · score 39 · 8.5 km
- July 30, 2026 · score 39 · 17.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 89 % 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) | 39 / 100 |
| Our confidence | 89% |
| Coordinates | 41.1225, -104.3408 |
| Nearest City | Cheyenne (40 km) |
| Population Exposed | 65.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-09T23:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.24641a46a06495f4c6072369a993284b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Logan, CO; Weld, CO; Kimball, NE; Laramie, WY; Logan, CO; Morgan, CO; Weld, CO and 2 more areas |
| Headline | Severe Thunderstorm Warning issued May 9 at 5:10PM MDT until May 9 at 6:00PM MDT by NWS Denver CO |
| Expires | 2026-05-09T18:00:00-06:00 |
| SenderName | NWS Denver CO |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.24641a46a06495f4c6072369a993284bc16b322b.001.1","noaa_urn:oid:2.49.0.1.840.0.86a047cda6a06b678428a56a184174af3dafa729.001.1","noaa_urn:oid:2.49.0.1.840.0.55c841a8b4a9cb84214d285759853bd6a1063561.001.1","noaa_urn:oid:2.49.0.1.840.0.7b69c95243966a801f8b51b5647214bf9bb5fa68.001.1","noaa_urn:oid:2.49.0.1.840.0.8320bf416f185e50aac0175c3a4ee5154c1f49fb.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 0.7 |
| Iem Unit | Inch |
| Iem City | 1 NNW Pine Bluffs |
| Iem County | Laramie |
| Iem State | WY |
| Iem Wfo | CYS |
| Iem Remark | Trained spotter reported dime-size hail 1 mile north of Pine Bluffs. |
| MergedSources | [{"id":"iem_H_41.200_-104.070_1778366760000","source":"iem","severity":"low","severityValue":25,"timestamp":1778366760000,"latitude":41.2,"longitude":-104.07},{"id":"iem_H_41.190_-104.070_1778367000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778367000000,"latitude":41.19,"longitude":-104.07}] |
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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.