This alert expired on 18 May 2026 at 05:30 UTC. It is kept here as a record.
It is the 4th strongest of the 64 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 18 at 12:06AM CDT until May 18 at 12:30AM CDT by NWS Topeka KS
An estimated 47,813 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 21, 2026 · score 34 · 4.4 km
- May 29, 2026 · score 34 · 8.0 km
- May 30, 2026 · score 34 · 17.4 km
How we know
Confirmed by 7 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 90 % 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) | 34 / 100 |
| Our confidence | 90% |
| Coordinates | 38.8652, -97.8350 |
| Nearest City | Salina (20 km) |
| Population Exposed | 47.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-18T05:06:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.247639f1c8e13e9303ed8f1adfedde71 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Dickinson, KS; Ottawa, KS; Barton, KS; Russell, KS; Ottawa, KS |
| Headline | Severe Thunderstorm Warning issued May 18 at 12:06AM CDT until May 18 at 12:30AM CDT by NWS Topeka KS |
| Expires | 2026-05-18T00:30:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.247639f1c8e13e9303ed8f1adfedde71898a7f69.001.1","noaa_urn:oid:2.49.0.1.840.0.c89a01d4099fe01d1a12d0116c4a2aea21945728.001.1","noaa_urn:oid:2.49.0.1.840.0.074b061e205351879ed7b13e596403cf8a1be609.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 58 |
| Iem Unit | MPH |
| Iem City | 3 SSE Delphos |
| Iem County | Ottawa |
| Iem State | KS |
| Iem Wfo | TOP |
| Iem Remark | personal weather station. |
| MergedSources | [{"id":"iem_H_39.160_-97.670_1779071700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779071700000,"latitude":39.16,"longitude":-97.67},{"id":"iem_H_39.010_-97.880_1779071400000","source":"iem","severity":"low","severityValue":25,"timestamp":1779071400000,"latitude":39.01,"longitude":-97.88},{"id":"iem_H_39.010_-97.880_1779071340000","source":"iem","severity":"low","severityValue":25,"timestamp":1779071340000,"latitude":39.01,"longitude":-97.88},{"id":"iem_F_39.120_-97.720_1779072480000","source":"iem","severity":"low","severityValue":25,"timestamp":1779072480000,"latitude":39.12,"longitude":-97.72},{"id":"iem_H_39.010_-97.960_1779067200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779067200000,"latitude":39.01,"longitude":-97.96},{"id":"iem_G_39.240_-97.740_1779066300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779066300000,"latitude":39.24,"longitude":-97.74}] |
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 near Salina?
Calamity.live data shows a weather event with CalamityScore 34/100, near Salina (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.