Right now
The most recent data we hold from NOAA arrived 56 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 102 recorded within 20 km of this point since 15 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 18 at 8:20PM CDT until May 18 at 8:45PM CDT by NWS Topeka 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 | 39.0561, -95.7970 |
| Nearest City | Topeka (10 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:2.49.0.1.840.0.76288adf71ade3c76790eb6530cd5a1e |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Jefferson, KS; Osage, KS; Shawnee, KS; Wabaunsee, KS; Doniphan, KS; Andrew, MO; Buchanan, MO; Clinton, MO; DeKalb, MO; Atchison, KS; Doniphan, KS; Buchanan, MO; Platte, MO and 5 more areas |
| Headline | Severe Thunderstorm Warning issued May 18 at 8:20PM CDT until May 18 at 8:45PM CDT by NWS Topeka KS |
| Expires | 2026-05-18T20:45:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["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:2.49.0.1.840.0.1b6a4fbdfb0573b2bfb082168d56aed91c9e446c.001.1","noaa_urn:oid:2.49.0.1.840.0.3885bf68d1bf1d085530f387f6f4412b964a9ae9.002.1","noaa_urn:oid:2.49.0.1.840.0.6c7f2c135d1cd2954b010c88f1caf7d2598803f8.001.1","noaa_urn:oid:2.49.0.1.840.0.f7acf0c19841207f75867b12d0516593eddb85f1.001.1","noaa_urn:oid:2.49.0.1.840.0.b813f46c63d198d791ee069a2cfe8facd5eeab6a.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.