This alert expired on 10 May 2026 at 04:00 UTC. It is kept here as a record.
It is the 5th strongest of the 36 detections recorded within 20 km of this point since 22 March 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 May 9 at 9:50PM MDT until May 9 at 10:00PM MDT by NWS Goodland KS
Nearby, since 22 March 2026
- May 17, 2026 · score 46 · 17.4 km
- May 18, 2026 · score 46 · 18.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 71% |
| Coordinates | 39.0862, -101.6813 |
| Nearest City | Garden City (143 km) |
| Impact Tier | minor |
| Timestamp | 2026-05-10T03:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5910af98be05a324b47feb92361af8288ef17c3d.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Sherman, KS; Wallace, KS |
| Headline | Severe Thunderstorm Warning issued May 9 at 9:50PM MDT until May 9 at 10:00PM MDT by NWS Goodland KS |
| Expires | 2026-05-09T22:00:00-06:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 58 |
| Iem Unit | MPH |
| Iem City | 1 E Bethune |
| Iem County | Kit Carson |
| Iem State | CO |
| Iem Wfo | GLD |
| Iem Remark | WeatherLink. BrewerWX. |
| MergedSources | [{"id":"iem_G_39.230_-102.280_1778381400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778381400000,"latitude":39.23,"longitude":-102.28},{"id":"iem_G_39.300_-102.400_1778380560000","source":"iem","severity":"low","severityValue":25,"timestamp":1778380560000,"latitude":39.3,"longitude":-102.4}] |
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 10 February 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.