Right now
The most recent data we hold from NOAA arrived 28 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 19 May 2026 at 02:15 UTC. It is kept here as a record.
No stronger detection stands among the 93 recorded within 20 km of this point since 15 March 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 18 at 8:58PM CDT until May 18 at 9:15PM CDT by NWS Topeka KS
An estimated 219,880 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 21, 2026 · score 43 · 12.2 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 38.9867, -95.5606 |
| Nearest City | Topeka (12 km) |
| Population Exposed | 219.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-19T01:58:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.2acbe9769901231e50635b40930075f7 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lyon, KS; Johnson, KS; Leavenworth, KS; Wyandotte, KS; Platte, MO; Douglas, KS; Franklin, KS; Jefferson, KS; Osage, KS; Shawnee, KS and 5 more areas |
| Headline | Severe Thunderstorm Warning issued May 18 at 8:58PM CDT until May 18 at 9:15PM CDT by NWS Topeka KS |
| Expires | 2026-05-18T21:15:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2acbe9769901231e50635b40930075f7e21b3648.001.1","noaa_urn:oid:2.49.0.1.840.0.c19942032efc522efa00a77ea7ad366090603db3.001.1","noaa_urn:oid:2.49.0.1.840.0.090854fa8bb8959449d6af52ead6c4220ac85a17.001.1","noaa_urn:oid:2.49.0.1.840.0.f9194f6a2bdbdbc01cc9d41a53033b132e6f9c5c.001.1","noaa_urn:oid:2.49.0.1.840.0.6b393c6bb35e1337503bd9ae2a6fe6f23d207f5c.001.1","noaa_urn:oid:2.49.0.1.840.0.4b9d174e3acf4909833a341cd9cb0b113a691a14.001.1","noaa_urn:oid:2.49.0.1.840.0.fa8d52c155c6f10ddeb5851a4807aef3c2efaf4c.001.1","noaa_urn:oid:2.49.0.1.840.0.857bbde842fc790237f12dfaa917b2c93af0ef6a.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 65 |
| Iem Unit | MPH |
| Iem City | 7 WSW Topeka |
| Iem County | Shawnee |
| Iem State | KS |
| Iem Wfo | TOP |
| MergedSources | [{"id":"iem_G_38.990_-95.770_1779153420000","source":"iem","severity":"low","severityValue":25,"timestamp":1779153420000,"latitude":38.99,"longitude":-95.77},{"id":"iem_G_39.050_-95.670_1779153660000","source":"iem","severity":"low","severityValue":25,"timestamp":1779153660000,"latitude":39.05,"longitude":-95.67},{"id":"iem_G_38.990_-95.970_1779152700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779152700000,"latitude":38.99,"longitude":-95.97},{"id":"iem_G_39.020_-95.800_1779153480000","source":"iem","severity":"low","severityValue":25,"timestamp":1779153480000,"latitude":39.02,"longitude":-95.8}] |
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 Topeka?
Calamity.live data shows a weather event with CalamityScore 43/100, near Topeka (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.