This alert expired on 19 May 2026 at 01:30 UTC. It is kept here as a record.
No stronger detection stands among the 15 recorded within 20 km of this point since 17 April 2026 — one other scored the same. 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: Tornado Warning issued May 18 at 8:08PM CDT until May 18 at 8:30PM CDT by NWS Topeka KS
An estimated 150,612 people live within 50 km of this point.
Nearby, since 17 April 2026
- July 4, 2026 · score 43 · 16.3 km
- June 9, 2026 · score 58 · 20.3 km
- May 19, 2026 · score 43 · 22.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 67 out of 100, at 85 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | critical |
| Calamity Score (ours) | 67 / 100 |
| Our confidence | 85% |
| Coordinates | 38.7607, -96.0472 |
| Nearest City | Emporia (42 km) |
| Population Exposed | 150.6K within 50 km |
| Impact Tier | severe |
| Timestamp | 2026-05-19T01:08:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Tornado Warning_noaa_urn:oid:2.49.0.1.840.0.76e640f63cefba37b64c745005234f2f |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Osage, KS; Shawnee, KS; Wabaunsee, KS; Lyon, KS; Wabaunsee, KS |
| Headline | Tornado Warning issued May 18 at 8:08PM CDT until May 18 at 8:30PM CDT by NWS Topeka KS |
| Expires | 2026-05-18T20:30:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.76e640f63cefba37b64c745005234f2fc55d3fc5.001.1","noaa_urn:oid:2.49.0.1.840.0.59b0a0501c73925d332fce17b67cfee5fa7cae03.001.1","noaa_urn:oid:2.49.0.1.840.0.e6bab3769d42436f5456c6c80eefafaff7ab6ce1.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 80 |
| Iem Unit | MPH |
| Iem City | 1 E Council Grove |
| Iem County | Morris |
| Iem State | KS |
| Iem Wfo | TOP |
| MergedSources | [{"id":"iem_G_38.670_-96.470_1779151860000","source":"iem","severity":"low","severityValue":25,"timestamp":1779151860000,"latitude":38.67,"longitude":-96.47}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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 near Emporia?
Calamity.live data shows a weather event with CalamityScore 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.