This alert expired on 1 June 2026 at 14:00 UTC. It is kept here as a record.
It is the 5th strongest of the 20 detections recorded within 20 km of this point since 16 April 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 1 at 8:26AM CDT until June 1 at 9:00AM CDT by NWS Paducah KY
An estimated 24,864 people live within 50 km of this point.
Nearby, since 16 April 2026
- July 9, 2026 · score 34 · 12.5 km
- August 13, 2026 · score 39 · 14.3 km
- June 26, 2026 · score 39 · 19.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 86 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 34 / 100 |
| Our confidence | 86% |
| Coordinates | 37.2450, -88.8242 |
| Nearest City | Paducah (27 km) |
| Population Exposed | 24.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T13:26:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e79746c5a0dea74a40501a3b17e395b77cb0d8f8.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Massac, IL; McCracken, KY |
| Headline | Severe Thunderstorm Warning issued June 1 at 8:26AM CDT until June 1 at 9:00AM CDT by NWS Paducah KY |
| Expires | 2026-06-01T09:00:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 0.75 |
| Iem Unit | Inch |
| Iem City | 3 N Makanda |
| Iem County | Jackson |
| Iem State | IL |
| Iem Wfo | PAH |
| Iem Remark | Report from mPING: Dime (0.75 in.). |
| MergedSources | [{"id":"iem_H_37.660_-89.250_1780317180000","source":"iem","severity":"low","severityValue":25,"timestamp":1780317180000,"latitude":37.66,"longitude":-89.25}] |
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 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.
Calamity.live data shows a weather event with CalamityScore 34/100, near Paducah (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.