Right now
The most recent data we hold from NOAA arrived 11 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 1 June 2026 at 04:15 UTC. It is kept here as a record.
No stronger detection stands among the 54 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. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued May 31 at 10:42PM CDT until May 31 at 11:15PM CDT by NWS Topeka KS
An estimated 24,649 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 17, 2026 · score 28 · 3.3 km
- June 14, 2026 · score 28 · 8.5 km
- July 4, 2026 · score 34 · 18.3 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 58 out of 100, at 89 % 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 | Critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 89% |
| Coordinates | 38.0900, -95.8767 |
| Nearest City | Emporia (43 km) |
| Population Exposed | 24.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T03:42:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.88ec073c67e5252879adb4e7f85777fcca930417.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Coffey, KS |
| Headline | Tornado Warning issued May 31 at 10:42PM CDT until May 31 at 11:15PM CDT by NWS Topeka KS |
| Expires | 2026-05-31T23:15:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| Spc ReportType | hail |
| Spc Speed | 175 |
| Spc Location | 5 W Gridley |
| Spc County | Greenwood |
| Spc State | KS |
| Spc Comments | Report from mPING. (ICT) |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 5 W Gridley |
| Iem County | Greenwood |
| Iem State | KS |
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 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 in this area?