This alert expired on 4 July 2026 at 00:16 UTC. It is kept here as a record.
It is the 4th strongest of the 17 detections recorded within 20 km of this point since 15 April 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 8:07PM EDT until July 3 at 8:15PM EDT by NWS Northern Indiana
An estimated 650,082 people live within 50 km of this point.
Nearby, since 15 April 2026
- July 4, 2026 · score 43 · 8.9 km
- August 11, 2026 · score 48 · 9.8 km
- June 10, 2026 · score 46 · 12.2 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 | 41.1547, -82.2535 |
| Nearest City | Elyria (27 km) |
| Population Exposed | 650.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T00:07:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.06274f9da681f0f43c49cda8ff214ae9 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Allen, OH; Putnam, OH; Erie, OH; Huron, OH; Lorain, OH; Cuyahoga, OH; Lorain, OH and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 8:07PM EDT until July 3 at 8:15PM EDT by NWS Northern Indiana |
| Expires | 2026-07-03T20:16:00-04:00 |
| SenderName | NWS Northern Indiana |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.06274f9da681f0f43c49cda8ff214ae95f1720fc.001.1","noaa_urn:oid:2.49.0.1.840.0.0a1e4ef08bb0db6e0a2f45f9d63af3182f228fe8.002.1","noaa_urn:oid:2.49.0.1.840.0.23bc24d5a5660cd566bfdbca6747a69c85461f87.001.1","noaa_urn:oid:2.49.0.1.840.0.14ed9d519b6737e4c0515a4664c0abad34579c5d.001.1","noaa_urn:oid:2.49.0.1.840.0.cae5c42e8c1f7cd7846d3a140becb2b12674aa0c.001.1"] |
| Iem TypeSummary | M |
| Iem Magnitude | 43 |
| Iem Unit | MPH |
| Iem City | 2 N Port Clinton |
| Iem County | LEZ143 |
| Iem State | OH |
| Iem Wfo | CLE |
| Iem Remark | Corrects previous tstm wnd gst report from 2 N Port Clinton. Mesonet station 45202 1 N Port Clinton. Peak wind 37 knots. |
| MergedSources | [{"id":"iem_M_41.530_-82.940_1783119600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783119600000,"latitude":41.53,"longitude":-82.94}] |
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 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.
Calamity.live data shows a weather event with CalamityScore 48/100, near Elyria (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.