This alert expired on 4 July 2026 at 01:01 UTC. It is kept here as a record.
It is the 6th strongest of the 30 detections recorded within 20 km of this point since 23 March 2026. The last comparable one was on 25 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 8:52PM EDT until July 3 at 9:00PM EDT by NWS Cleveland OH
An estimated 807,386 people live within 50 km of this point.
Nearby, since 23 March 2026
- July 4, 2026 · score 48 · 11.5 km
- June 14, 2026 · score 52 · 12.3 km
- June 25, 2026 · score 52 · 12.8 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 84 % 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) | 48 / 100 |
| Our confidence | 84% |
| Coordinates | 41.0205, -81.2881 |
| Nearest City | Tallmadge (16 km) |
| Population Exposed | 807.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T00:52:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.ca8d9152875d37f5b69eb089b9d78949 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cuyahoga, OH; Lorain, OH; Clarion, PA; Ashland, OH; Crawford, OH; Holmes, OH; Knox, OH; Marion, OH; Morrow, OH; Richland, OH; Wayne, OH and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 8:52PM EDT until July 3 at 9:00PM EDT by NWS Cleveland OH |
| Expires | 2026-07-03T21:01:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ca8d9152875d37f5b69eb089b9d789498f18c24c.001.1","noaa_urn:oid:2.49.0.1.840.0.b09a9bb3247e10e420bdcb0f8d78c3a65a1e7fdd.002.1","noaa_urn:oid:2.49.0.1.840.0.7653c1e3dbe2e1707979fa87f0038bd5c06d60e4.001.1","noaa_urn:oid:2.49.0.1.840.0.08b83ebd5fd3dd5d8fa8b9150c3f26ae123be039.001.1","noaa_urn:oid:2.49.0.1.840.0.6c0bcd1e24be34b5d2c85abbf3d92cc1b2dcd7e6.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 E Sharon |
| Iem County | Mercer |
| Iem State | PA |
| Iem Wfo | PBZ |
| Iem Remark | Wires down on Kimberly Road and Bentley Ave. |
| MergedSources | [{"id":"iem_D_41.240_-80.490_1783120620000","source":"iem","severity":"low","severityValue":25,"timestamp":1783120620000,"latitude":41.24,"longitude":-80.49}] |
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.
Want to know when something happens near Tallmadge?
Calamity.live data shows a weather event with CalamityScore 48/100, near Tallmadge (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.