This alert expired on 3 July 2026 at 23:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 82 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 6:53PM EDT until July 3 at 7:15PM EDT by NWS Detroit/Pontiac MI
An estimated 378,065 people live within 50 km of this point.
Nearby, since 16 March 2026
- September 4, 2026 · score 37 · 1.2 km
- September 3, 2026 · score 37 · 1.2 km
- September 4, 2026 · score 37 · 7.9 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 83 % 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 | 83% |
| Coordinates | 41.5816, -83.8137 |
| Nearest City | Perrysburg (15 km) |
| Population Exposed | 378.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T22:53:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.991f78e7d05c93c2a64d1b25378e6589 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Oakland, MI; Wayne, MI; Erie, OH; Ottawa, OH; Sandusky, OH; Seneca, OH; Wood, OH and 6 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 6:53PM EDT until July 3 at 7:15PM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-07-03T19:15:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| HasExactCoords | true |
| MergedCount | 9 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.991f78e7d05c93c2a64d1b25378e65898b6baf71.002.1","noaa_urn:oid:2.49.0.1.840.0.48113e287b37320bacc53b55fca6d4087cde9ca7.002.1","noaa_urn:oid:2.49.0.1.840.0.2d897939d3bd95e35fe4c2fa9f841d405c3dadd0.001.1","noaa_urn:oid:2.49.0.1.840.0.18d36485b3a70629bc67c1ac44e0f3ca5b7d7fa8.001.1","noaa_urn:oid:2.49.0.1.840.0.3ffb2f713985327cfac364fe3dfd8db404af5150.001.1","noaa_urn:oid:2.49.0.1.840.0.9554a33a9c8cb49fbaf4754e0c7f6a349b2f6270.001.1","noaa_urn:oid:2.49.0.1.840.0.7ae4f4485a1ffa319b7b7089f4df391797debfd6.001.1","noaa_urn:oid:2.49.0.1.840.0.7b5e82f409018164ccccd5f92560233064584163.001.1","noaa_urn:oid:2.49.0.1.840.0.77b624f9531f357ffe1b7e7c6b1004627837c84c.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 NE Manchester |
| Iem County | Washtenaw |
| Iem State | MI |
| Iem Wfo | DTX |
| Iem Remark | Report of a tree down |
| MergedSources | [{"id":"iem_D_42.150_-84.020_1783115400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783115400000,"latitude":42.15,"longitude":-84.02}] |
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 Perrysburg?
Calamity.live data shows a weather event with CalamityScore 43/100, near Perrysburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.