Right now
The most recent data we hold from NOAA arrived 6 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 08:45 UTC. It is kept here as a record.
No stronger detection stands among the 87 recorded within 20 km of this point since 15 March 2026 — 43 others scored the same. Another comparable one was recorded here earlier the same day. 32 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 1 at 3:27AM CDT until June 1 at 3:45AM CDT by NWS Kansas City/Pleasant Hill MO
An estimated 129,330 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 1, 2026 · score 43 · 4.1 km
- June 2, 2026 · score 43 · 6.2 km
- May 23, 2026 · score 22 · 25.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 85 % 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 | 85% |
| Coordinates | 39.1072, -92.5677 |
| Nearest City | Columbia (27 km) |
| Population Exposed | 129.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T08:27:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.96698751d981bc295d82c92e80fdc715 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lafayette, MO; Saline, MO; Audrain, MO; Monroe, MO; Ralls, MO; Chariton, MO; Cooper, MO; Howard, MO; Saline, MO and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 1 at 3:27AM CDT until June 1 at 3:45AM CDT by NWS Kansas City/Pleasant Hill MO |
| Expires | 2026-06-01T03:45:00-05:00 |
| SenderName | NWS Kansas City/Pleasant Hill MO |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.96698751d981bc295d82c92e80fdc715144ad7cb.001.1","noaa_urn:oid:2.49.0.1.840.0.9f318101b27e4985dc576fed0bd90423fb17a209.001.1","noaa_urn:oid:2.49.0.1.840.0.39f89a2aa1d417921896cd9210705d7ace88de53.001.1","noaa_urn:oid:2.49.0.1.840.0.96d58670d3382f69d3ac236c0490992919e4f066.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 58 |
| Iem Unit | MPH |
| Iem City | Fayette |
| Iem County | Howard |
| Iem State | MO |
| Iem Wfo | EAX |
| Iem Remark | Personal weather station measured 58 mph. |
| MergedSources | [{"id":"iem_G_39.150_-92.690_1780299540000","source":"iem","severity":"low","severityValue":25,"timestamp":1780299540000,"latitude":39.15,"longitude":-92.69}] |
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.
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