This alert expired on 15 March 2026 at 04:30 UTC. It is kept here as a record.
It is the 15th strongest of the 126 detections recorded within 20 km of this point since 10 March 2026. The last comparable one was on 15 March 2026. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Storm Watch issued March 14 at 3:26PM CDT until March 17 at 1:00AM CDT by NWS Milwaukee/Sullivan WI
Nearby, since 10 March 2026
- August 9, 2026 · score 22 · 0.0 km
- August 8, 2026 · score 22 · 0.0 km
- August 7, 2026 · score 22 · 0.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 59 % 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 | 59% |
| Coordinates | 44.3000, -85.6000 |
| Nearest City | Traverse City (51 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-16T00:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn-oid-2_49_0_1_840_0_64defe15c5044f3a222b640c81df71a89aeced1d_001_3 |
Score Breakdown
Technical Details
| Event | Storm Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake; Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore; Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake; Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake; Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake |
| Headline | Storm Watch issued March 14 at 3:26PM CDT until March 17 at 1:00AM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-03-14T23:30:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | false |
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.