Right now
The most recent data we hold from NOAA arrived 22 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 2 July 2026 at 09:45 UTC. It is kept here as a record.
No stronger detection stands among the 26 recorded within 20 km of this point since 18 May 2026 — 19 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 2 at 4:20AM EDT until July 2 at 5:45AM EDT by NWS Gaylord MI
Nearby, since 18 May 2026
- June 13, 2026 · score 22 · 8.1 km
- July 27, 2026 · score 22 · 8.8 km
- July 18, 2026 · score 22 · 13.8 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % 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 | 71% |
| Coordinates | 44.9718, -83.1073 |
| Nearest City | Bay City (166 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-02T08:20:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fa6e5ca10aa04c3a7b4436b7aaf4d09cb08bd8ae.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary; Sturgeon Pt to Alabaster MI; Lake Huron from Presque Isle Lt. to Sturgeon Point MI 5NM off shore to US/Canadian border; Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border |
| Headline | Special Marine Warning issued July 2 at 4:20AM EDT until July 2 at 5:45AM EDT by NWS Gaylord MI |
| Expires | 2026-07-02T05:45:00-04:00 |
| SenderName | NWS Gaylord MI |
| HasExactCoords | true |
| Iem TypeSummary | M |
| Iem Magnitude | 41 |
| Iem Unit | MPH |
| Iem City | 1 SE Alpena |
| Iem County | LHZ348 |
| Iem State | MI |
| Iem Wfo | APX |
| Iem Remark | Mesonet station APNM4 1 SE Alpena. |
| MergedSources | [{"id":"iem_G_45.070_-83.570_1782978960000","source":"iem","severity":"low","severityValue":25,"timestamp":1782978960000,"latitude":45.07,"longitude":-83.57},{"id":"iem_M_45.060_-83.420_1782979200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782979200000,"latitude":45.06,"longitude":-83.42}] |
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 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.