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 01:45 UTC. It is kept here as a record.
No stronger detection stands among the 107 recorded within 20 km of this point since 15 March 2026 — 3 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 8:25PM CDT until May 18 at 8:45PM CDT by NWS Wichita KS
An estimated 219,880 people live within 50 km of this point.
How we know
Confirmed by 6 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 39.0633, -95.7714 |
| Nearest City | Topeka (8 km) |
| Population Exposed | 219.9K within 50 km |
| Impact Tier | significant |
| Date | 2026-05-19 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ba67646351436863e296575fdec4224e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Butler, KS; Kingman, KS; Reno, KS; Sedgwick, KS; Butler, KS; Chase, KS; Greenwood, KS; Harvey, KS; Marion, KS; Coffey, KS; Franklin, KS; Lyon, KS; Osage, KS; Wabaunsee, KS and 5 more areas |
| Headline | Severe Thunderstorm Warning issued May 18 at 8:25PM CDT until May 18 at 8:45PM CDT by NWS Wichita KS |
| Expires | 2026-05-18T20:45:00-05:00 |
| SenderName | NWS Wichita KS |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ba67646351436863e296575fdec4224eb1453447.001.1","noaa_urn:oid:2.49.0.1.840.0.1b6a4fbdfb0573b2bfb082168d56aed91c9e446c.001.1","noaa_urn:oid:2.49.0.1.840.0.091b87d9becdd694c84cd7108a64876f5570486c.001.1","noaa_urn:oid:2.49.0.1.840.0.76288adf71ade3c76790eb6530cd5a1e5b6691af.001.1","noaa_urn:oid:2.49.0.1.840.0.16a71091040fb92122e5e0dc531616e6902e5700.001.1","noaa_urn:oid:2.49.0.1.840.0.fca03359a797c448fdd1a2c3a72db8fac9ffec19.001.1","noaa_urn:oid:2.49.0.1.840.0.3885bf68d1bf1d085530f387f6f4412b964a9ae9.002.1","noaa_urn:oid:2.49.0.1.840.0.f49a18d2e9d96ce727f88ec0838ba04fb04645a0.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 78 |
| Iem Unit | MPH |
| Iem City | 2 SW Louisville |
| Iem County | Pottawatomie |
| Iem State | KS |
| Iem Wfo | TOP |
| Iem Remark | Measured on a personal weather station. |
| MergedSources | [{"id":"iem_G_39.400_-95.750_1779150360000","source":"iem","severity":"low","severityValue":25,"timestamp":1779150360000,"latitude":39.4,"longitude":-95.75},{"id":"iem_G_39.230_-96.570_1779146880000","source":"iem","severity":"low","severityValue":25,"timestamp":1779146880000,"latitude":39.23,"longitude":-96.57},{"id":"iem_G_39.270_-96.520_1779147660000","source":"iem","severity":"low","severityValue":25,"timestamp":1779147660000,"latitude":39.27,"longitude":-96.52},{"id":"iem_H_39.020_-96.450_1779150840000","source":"iem","severity":"low","severityValue":25,"timestamp":1779150840000,"latitude":39.02,"longitude":-96.45},{"id":"iem_G_39.230_-96.340_1779148140000","source":"iem","severity":"low","severityValue":25,"timestamp":1779148140000,"latitude":39.23,"longitude":-96.34}] |
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.