This alert expired on 4 July 2026 at 00:30 UTC. It is kept here as a record.
It is the 2nd strongest of the 51 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 8:23PM EDT until July 3 at 8:30PM EDT by NWS Cleveland OH
An estimated 1,866,954 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 4, 2026 · score 52 · 7.2 km
- August 10, 2026 · score 52 · 12.2 km
- June 25, 2026 · score 52 · 12.7 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 52 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) | 52 / 100 |
| Our confidence | 84% |
| Coordinates | 41.2434, -81.3247 |
| Nearest City | Streetsboro (2 km) |
| Population Exposed | 1.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T00:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.092af573ac07d15bf92aa8db37fda6b3 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Hancock, OH; Seneca, OH; Wyandot, OH; Lorain, OH; Cuyahoga, OH; Lorain, OH and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 8:23PM EDT until July 3 at 8:30PM EDT by NWS Cleveland OH |
| Expires | 2026-07-03T20:30:00-04:00 |
| SenderName | NWS Cleveland OH |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.092af573ac07d15bf92aa8db37fda6b33d9a0572.002.1","noaa_urn:oid:2.49.0.1.840.0.ab160626f692392adbe73a34390dd3e806f3d8b0.002.1","noaa_urn:oid:2.49.0.1.840.0.23bc24d5a5660cd566bfdbca6747a69c85461f87.001.1","noaa_urn:oid:2.49.0.1.840.0.7afb995d3cb696172d1d942ca3193432105d394a.002.1","noaa_urn:oid:2.49.0.1.840.0.e253d609a539fa29feeaf3e570fb6a11e3d182f6.001.1"] |
| 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 Streetsboro?
Calamity.live data shows a weather event with CalamityScore 52/100, near Streetsboro (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.