This alert expired on 3 July 2026 at 22:45 UTC. It is kept here as a record.
It is the 5th strongest of the 21 detections recorded within 20 km of this point since 26 March 2026. The last comparable one was on 19 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 3 at 6:18PM EDT until July 3 at 6:45PM EDT by NWS Detroit/Pontiac MI
An estimated 109,101 people live within 50 km of this point.
Nearby, since 26 March 2026
- May 19, 2026 · score 43 · 14.7 km
- August 10, 2026 · score 67 · 18.2 km
- August 9, 2026 · score 58 · 18.5 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 87 % 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 | 87% |
| Coordinates | 41.5328, -84.1961 |
| Nearest City | Defiance (31 km) |
| Population Exposed | 109.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T22:18:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.e50b4d9382f481075301722d90efa67a |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Livingston, MI; Shiawassee, MI; Lenawee, MI; Washtenaw, MI; Darke, OH; Mercer, OH and 4 more areas |
| Headline | Severe Thunderstorm Warning issued July 3 at 6:18PM EDT until July 3 at 6:45PM EDT by NWS Detroit/Pontiac MI |
| Expires | 2026-07-03T18:45:00-04:00 |
| SenderName | NWS Detroit/Pontiac MI |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e50b4d9382f481075301722d90efa67aac2ee205.001.1","noaa_urn:oid:2.49.0.1.840.0.c0f815e7bd0ad32e5dd0bbdfd886feb988eceab6.001.1","noaa_urn:oid:2.49.0.1.840.0.e33906a783cb4d1b1268342c5287e00a49b61723.001.1","noaa_urn:oid:2.49.0.1.840.0.63f2f1037f9cb349e1897253730fefb3bb7f27b0.001.1","noaa_urn:oid:2.49.0.1.840.0.d9fe0f2385dbaf873d89c763178fbaf5c827678f.001.1","noaa_urn:oid:2.49.0.1.840.0.86767a674e20286a3f038e8b5b8a7c2ee63f3ec4.001.1","noaa_urn:oid:2.49.0.1.840.0.8df447c339dbd2a92b4030d8d21296be5e027632.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 NE Moscow |
| Iem County | Hillsdale |
| Iem State | MI |
| Iem Wfo | IWX |
| Iem Remark | Large tree uprooted onto Bibbins Road northeast of Moscow. |
| MergedSources | [{"id":"iem_G_42.050_-84.510_1783113600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783113600000,"latitude":42.05,"longitude":-84.51},{"id":"iem_D_42.060_-84.500_1783113600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783113600000,"latitude":42.06,"longitude":-84.5}] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.