Right now
The most recent data we hold from NOAA arrived 26 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 00:00 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 15 March 2026 — 2 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Tornado Warning issued June 30 at 7:14PM EDT until June 30 at 8:00PM EDT by NWS Marquette MI
An estimated 21,297 people live within 50 km of this point.
Nearby, since 15 March 2026
- July 20, 2026 · score 58 · 8.4 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 58 out of 100, at 89 % 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 | Critical |
| Calamity Score (ours) | 58 / 100 |
| Our confidence | 89% |
| Coordinates | 46.1762, -87.0413 |
| Nearest City | Marquette (49 km) |
| Population Exposed | 21.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-30T23:14:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b71aff427cfe833561a6cfe000df24d07013d3b7.001.1 |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Alger, MI; Delta, MI |
| Headline | Tornado Warning issued June 30 at 7:14PM EDT until June 30 at 8:00PM EDT by NWS Marquette MI |
| Expires | 2026-06-30T20:00:00-04:00 |
| SenderName | NWS Marquette MI |
| HasExactCoords | true |
| Iem TypeSummary | I |
| Iem Magnitude | 109 |
| Iem Unit | F |
| Iem City | 7 NNE Round Lake |
| Iem County | Alger |
| Iem State | MI |
| Iem Wfo | MQT |
| Iem Remark | Mesonet station DOEM4 Doe Lake RAWS. |
| MergedSources | [{"id":"iem_I_46.290_-87.470_1782850320000","source":"iem","severity":"low","severityValue":25,"timestamp":1782850320000,"latitude":46.29,"longitude":-87.47},{"id":"iem_I_46.350_-87.400_1782848760000","source":"iem","severity":"low","severityValue":25,"timestamp":1782848760000,"latitude":46.35,"longitude":-87.4},{"id":"iem_I_46.130_-86.580_1782850980000","source":"iem","severity":"low","severityValue":25,"timestamp":1782850980000,"latitude":46.13,"longitude":-86.58},{"id":"iem_I_46.250_-86.710_1782844320000","source":"iem","severity":"low","severityValue":25,"timestamp":1782844320000,"latitude":46.25,"longitude":-86.71}] |
Safety Information
If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.
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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