Severe Weather near New Philadelphia
This alert expired on 11 August 2026 at 12:20 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 17 March 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. 13 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 11 at 8:10AM EDT until August 11 at 8:15AM EDT by NWS Pittsburgh PA
An estimated 121,621 people live within 50 km of this point.
Nearby, since 17 March 2026
- June 6, 2026 · score 43 · 7.7 km
- July 5, 2026 · score 43 · 8.2 km
- August 8, 2026 · score 39 · 8.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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) | 43 / 100 |
| Our confidence | 91% |
| Coordinates | 40.3968, -81.6146 |
| Nearest City | New Philadelphia (17 km) |
| Population Exposed | 121.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T12:10:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.d8bb9fc9bb641ad7ce0aaa10f4bf5c08 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Coshocton, OH; Guernsey, OH; Muskingum, OH; Tuscarawas, OH; Belmont, OH; Carroll, OH; Coshocton, OH; Guernsey, OH; Harrison, OH; Muskingum, OH; Noble, OH; Tuscarawas, OH; Stark, OH |
| Headline | Severe Thunderstorm Warning issued August 11 at 8:10AM EDT until August 11 at 8:15AM EDT by NWS Pittsburgh PA |
| Expires | 2026-08-11T08:20:00-04:00 |
| SenderName | NWS Pittsburgh PA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d8bb9fc9bb641ad7ce0aaa10f4bf5c08d623ac25.001.1","noaa_urn:oid:2.49.0.1.840.0.6bc64825818cae05195f3889b71b977093294ff3.001.1","noaa_urn:oid:2.49.0.1.840.0.d9801c0231880310bb62d61f35b803bf3ea98e17.002.1"] |
| Iem TypeSummary | F |
| Iem City | Hanoverton |
| Iem County | Columbiana |
| Iem State | OH |
| Iem Wfo | PBZ |
| Iem Remark | Report of multiple flooded roads in Hanoverton. |
| MergedSources | [{"id":"iem_F_40.760_-80.940_1786438080000","source":"iem","severity":"low","severityValue":25,"timestamp":1786438080000,"latitude":40.76,"longitude":-80.94},{"id":"iem_F_40.750_-80.940_1786433040000","source":"iem","severity":"low","severityValue":25,"timestamp":1786433040000,"latitude":40.75,"longitude":-80.94}] |
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 New Philadelphia?
Calamity.live data shows a weather event with CalamityScore 43/100, near New Philadelphia (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.