Right now
The most recent data we hold from NOAA arrived 35 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 29 June 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 23 recorded within 20 km of this point since 4 April 2026 — 13 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 29 at 6:23PM EDT until June 29 at 7:00PM EDT by NWS Marquette MI
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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 |
| Legacy data-support index | 0.69/1 |
| Coordinates | 46.6982, -89.1968 |
| Nearest City | Marquette (138 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-06-29T22:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7dd8dbd3a8d66f47659a0c77334bb085 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-06-29T22:23:00.000Z.
First archived: 2026-06-29T22:37:44.651Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Gogebic, MI; Ontonagon, MI; Baraga, MI; Marquette, MI |
| Headline | Severe Thunderstorm Warning issued June 29 at 6:23PM EDT until June 29 at 7:00PM EDT by NWS Marquette MI |
| Expires | 2026-06-29T19:00:00-04:00 |
| SenderName | NWS Marquette MI |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.7dd8dbd3a8d66f47659a0c77334bb0852c74b18d.001.1","noaa_urn:oid:2.49.0.1.840.0.5242674b0e50e4e04b258f4a9b06e622faa04b37.001.1"] |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | Ontonagon |
| Spc County | Ontonagon |
| Spc State | MI |
| Spc Comments | Numerous trees and branches down. (MQT) |
| Iem TypeSummary | D |
| Iem City | Ontonagon |
| Iem County | Ontonagon |
| Iem State | MI |
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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