This alert expired on 11 August 2026 at 16:15 UTC. It is kept here as a record.
No stronger detection stands among the 104 recorded within 20 km of this point since 16 March 2026 — 7 others scored the same. Another comparable one was recorded here earlier the same day. 25 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 11 at 12:03PM EDT until August 11 at 12:15PM EDT by NWS Charleston WV
An estimated 56,035 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 9, 2026 · score 34 · 16.8 km
- June 18, 2026 · score 39 · 20.4 km
- March 17, 2026 · score 34 · 27.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 82 % 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) | 39 / 100 |
| Our confidence | 82% |
| Coordinates | 39.2369, -81.6039 |
| Nearest City | Parkersburg (5 km) |
| Population Exposed | 56.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T16:03:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3a925e0d0c41baa7035f2b985219d1e2 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Gallia, OH; Lawrence, OH; Meigs, OH; Jackson, WV; Mason, WV; Wood, WV; Athens, OH; Meigs, OH; Washington, OH; Wood, WV; Monroe, OH; Noble, OH; Wetzel, WV and 2 more areas |
| Headline | Severe Thunderstorm Warning issued August 11 at 12:03PM EDT until August 11 at 12:15PM EDT by NWS Charleston WV |
| Expires | 2026-08-11T12:15:00-04:00 |
| SenderName | NWS Charleston WV |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3a925e0d0c41baa7035f2b985219d1e2baadc35e.002.1","noaa_urn:oid:2.49.0.1.840.0.e4c1112caf5a6cff98665b3de621adce1ae41a9c.002.1","noaa_urn:oid:2.49.0.1.840.0.3b0b926580af0ea731a437c2ab5b2391d4fff412.001.1","noaa_urn:oid:2.49.0.1.840.0.ddc5f0dbf437dbb878aa39b38dc1b11e48f854bb.001.1","noaa_urn:oid:2.49.0.1.840.0.792352e16a7715dccd051f14d6a981a65983101d.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.
Want to know when something happens near Parkersburg?
Calamity.live data shows a weather event with CalamityScore 39/100, near Parkersburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.