This alert expired on 27 June 2026 at 18:15 UTC. It is kept here as a record.
No stronger detection stands among the 34 recorded within 20 km of this point since 16 April 2026 — 14 others scored the same. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 27 at 12:50PM CDT until June 27 at 1:15PM CDT by NWS Paducah KY
An estimated 65,861 people live within 50 km of this point.
Nearby, since 16 April 2026
- June 8, 2026 · score 39 · 14.5 km
- June 26, 2026 · score 39 · 15.7 km
- August 13, 2026 · score 39 · 17.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 39 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 | medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 85% |
| Coordinates | 37.2857, -89.2343 |
| Nearest City | Cape Girardeau (25 km) |
| Population Exposed | 65.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-27T17:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6fab8fb621233a3bb2ecdb2fe33453b4b63a4a32.002.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Alexander, IL; Pulaski, IL; Union, IL; Cape Girardeau, MO |
| Headline | Severe Thunderstorm Warning issued June 27 at 12:50PM CDT until June 27 at 1:15PM CDT by NWS Paducah KY |
| Expires | 2026-06-27T13:15:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 53 |
| Iem Unit | MPH |
| Iem City | 3 WNW Scott City |
| Iem County | Scott |
| Iem State | MO |
| Iem Wfo | PAH |
| Iem Remark | ASOS station KCGI Cape Girardeau MO. |
| MergedSources | [{"id":"iem_G_37.230_-89.580_1782581640000","source":"iem","severity":"low","severityValue":25,"timestamp":1782581640000,"latitude":37.23,"longitude":-89.58}] |
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 39/100, near Cape Girardeau (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.