This alert expired on 6 June 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 42 recorded within 20 km of this point since 22 March 2026 — 18 others scored the same. Another comparable one was recorded here earlier the same day. 14 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 6 at 6:38PM EDT until June 6 at 7:00PM EDT by NWS Wilmington OH
An estimated 1,259,719 people live within 50 km of this point.
Nearby, since 22 March 2026
- June 7, 2026 · score 43 · 6.1 km
- August 8, 2026 · score 52 · 6.3 km
- May 26, 2026 · score 52 · 9.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 40.2421, -82.6178 |
| Nearest City | Mount Vernon (20 km) |
| Population Exposed | 1.3M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T22:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d8aed28628f2aa68c65bcfdac006a771 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Fayette, OH; Madison, OH; Belmont, OH; Guernsey, OH; Monroe, OH; Noble, OH; Erie, OH; Huron, OH; Sandusky, OH and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 6 at 6:38PM EDT until June 6 at 7:00PM EDT by NWS Wilmington OH |
| Expires | 2026-06-06T19:00:00-04:00 |
| SenderName | NWS Wilmington OH |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d8aed28628f2aa68c65bcfdac006a771bfbb3bf5.002.1","noaa_urn:oid:2.49.0.1.840.0.fc51ac2b39ffe3b0f205331614a3c563bdb6013e.001.1","noaa_urn:oid:2.49.0.1.840.0.9c866e3a717e35884831deca8765f4d4e4be236c.001.1","noaa_urn:oid:2.49.0.1.840.0.4137e1bc907fc2b9392cc3f70509b5fcdb6c046a.001.1","noaa_urn:oid:2.49.0.1.840.0.5b52308dbdbd5545a57c99b9350105cbb19aafc1.001.1","noaa_urn:oid:2.49.0.1.840.0.73647bd3437f9cc4d2fbd0d8433272b15340da37.001.1","noaa_urn:oid:2.49.0.1.840.0.90c65a0c55b1be76a7c09f8910f3b21197fdf703.001.1"] |
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 52/100, near Mount Vernon (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.