Right now
The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 1 July 2026 at 00:30 UTC. It is kept here as a record.
No stronger detection stands among the 33 recorded within 20 km of this point since 15 March 2026 — 19 others scored the same. 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 June 30 at 8:11PM EDT until June 30 at 8:30PM EDT by NWS Marquette MI
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 69 % 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) | 22 / 100 |
| Our confidence | 69% |
| Coordinates | 46.5856, -86.4178 |
| Nearest City | Marquette (75 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-01T00:11:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a4ac06e5db47097d432ccd985612409d0c5c5b69.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Alger, MI |
| Headline | Severe Thunderstorm Warning issued June 30 at 8:11PM EDT until June 30 at 8:30PM EDT by NWS Marquette MI |
| Expires | 2026-06-30T20:30:00-04:00 |
| SenderName | NWS Marquette MI |
| HasExactCoords | true |
| Iem TypeSummary | I |
| Iem Magnitude | 107 |
| Iem Unit | F |
| Iem City | 6 NNE Chicago Lake |
| Iem County | Delta |
| Iem State | MI |
| Iem Wfo | MQT |
| Iem Remark | Mesonet station HBRM4 High Bridge RAWS. |
| MergedSources | [{"id":"iem_I_46.240_-85.940_1782846180000","source":"iem","severity":"low","severityValue":25,"timestamp":1782846180000,"latitude":46.24,"longitude":-85.94},{"id":"iem_I_46.130_-86.580_1782850980000","source":"iem","severity":"low","severityValue":25,"timestamp":1782850980000,"latitude":46.13,"longitude":-86.58}] |
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.
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