Right now
The most recent data we hold from NOAA arrived 9 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 6 June 2026 at 22:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 129 detections recorded within 20 km of this point since 27 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued June 6 at 12:57PM EDT until June 6 at 6:00PM EDT by NWS Cleveland OH
An estimated 1,247,659 people live within 50 km of this point.
Nearby, since 27 March 2026
- September 10, 2026 · score 46 · 0.0 km
- September 9, 2026 · score 46 · 0.0 km
- September 5, 2026 · score 46 · 0.0 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 81 % 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) | 52 / 100 |
| Our confidence | 81% |
| Coordinates | 40.4000, -82.9000 |
| Nearest City | Delaware (18 km) |
| Population Exposed | 1.2M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T16:57:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.bcf5f91ce87919a100ce6ef48772f007 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Holmes, OH; Stark, OH; Belmont, OH; Carroll, OH; Columbiana, OH; Coshocton, OH; Guernsey, OH; Harrison, OH; Jefferson, OH; Monroe, OH; Muskingum, OH; Noble, OH; Tuscarawas, OH; Allegheny, PA; Armstrong, PA; Beaver, PA; Butler, PA; Clarion, PA; Fayette, PA; Greene, PA; Indiana, PA; Jefferson, PA; Lawrence, PA; Washington, PA; Westmoreland, PA; Brooke, WV; Hancock, WV; Marion, WV; Marshall, WV; Monongalia, WV; Ohio, WV; Wetzel, WV; Morgan, OH; Perry, OH; Washington, OH; Doddridge, WV; Harrison, WV; Pleasants, WV; Taylor, WV; Tyler, WV |
| Headline | Severe Thunderstorm Watch issued June 6 at 12:57PM EDT until June 6 at 6:00PM EDT by NWS Cleveland OH |
| Expires | 2026-06-06T18:00:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | false |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.bcf5f91ce87919a100ce6ef48772f0076256e9e8.003.1","noaa_urn:oid:2.49.0.1.840.0.9796cfcbe5aff2f914cd7496dabe5bbc3f20951c.002.1","noaa_urn:oid:2.49.0.1.840.0.8aa341f4bbe0670cbfa50abd4fa754c910fee8c9.001.1"] |
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 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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