This alert expired on 29 June 2026 at 19:15 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 — 3 others scored the same. 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 June 29 at 2:32PM EDT until June 29 at 3:15PM EDT by NWS Gaylord MI
Nearby, since 15 March 2026
- March 15, 2026 · score 22 · 19.3 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 65 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 65% |
| Coordinates | 45.4840, -84.4620 |
| Nearest City | Sault Ste. Marie (116 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-29T18:32:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ef5c0e9c109a2dfebf7d6db19854fdde4abcf210.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Cheboygan, MI |
| Headline | Severe Thunderstorm Warning issued June 29 at 2:32PM EDT until June 29 at 3:15PM EDT by NWS Gaylord MI |
| Expires | 2026-06-29T15:15:00-04:00 |
| SenderName | NWS Gaylord MI |
| HasExactCoords | true |
| Iem TypeSummary | G |
| Iem Magnitude | 41 |
| Iem Unit | MPH |
| Iem City | 1 SSW Gaylord |
| Iem County | Otsego |
| Iem State | MI |
| Iem Wfo | APX |
| Iem Remark | ASOS station KGLR Gaylord - Otsego County Airport. |
| MergedSources | [{"id":"iem_G_45.020_-84.680_1782751980000","source":"iem","severity":"low","severityValue":25,"timestamp":1782751980000,"latitude":45.02,"longitude":-84.68}] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 22/100 (Canada), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.