This alert expired on 9 June 2026 at 04:46 UTC. It is kept here as a record.
It is the 2nd strongest of the 38 detections recorded within 20 km of this point since 13 April 2026. Another comparable one was recorded here earlier the same day. 15 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 8 at 11:36PM CDT until June 8 at 11:45PM CDT by NWS Topeka KS
An estimated 24,649 people live within 50 km of this point.
Nearby, since 13 April 2026
- May 19, 2026 · score 67 · 20.3 km
- August 6, 2026 · score 34 · 23.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 58 out of 100, at 81 % 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) | 58 / 100 |
| Our confidence | 81% |
| Coordinates | 38.5840, -95.9880 |
| Nearest City | Emporia (26 km) |
| Population Exposed | 24.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-09T04:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cc6d947a14c9b2e496d68c3865a9f7fe9a1176d5.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lyon, KS; Osage, KS |
| Headline | Tornado Warning issued June 8 at 11:36PM CDT until June 8 at 11:45PM CDT by NWS Topeka KS |
| Expires | 2026-06-08T23:46:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
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 58/100, near Emporia (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.