Right now
The most recent data we hold from NOAA arrived 8 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
This alert expired on 21 July 2026 at 06:00 UTC. It is kept here as a record.
What the source measured
NOAA reported: Severe Thunderstorm Watch issued July 21 at 12:25AM EDT until July 21 at 2:00AM EDT by NWS Gaylord MI
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.
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 | 0.61/1 |
| Coordinates | 44.3000, -85.6000 |
| Nearest City | Traverse City (51 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-21T04:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.daf59cc70c2829c8429360362792c8a2 |
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: 2026-07-21T04:25:00.000Z.
First archived: 2026-07-21T05:57:12.655Z. 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 Watch |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Antrim, MI; Benzie, MI; Crawford, MI; Grand Traverse, MI; Kalkaska, MI; Leelanau, MI; Manistee, MI; Missaukee, MI; Montmorency, MI; Otsego, MI; Wexford, MI; Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI; Sleeping Bear Point to Grand Traverse Light MI; Point Betsie to Sleeping Bear Point MI; Manistee to Point Betsie MI; 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; Clare, MI; Lake, MI; Mason, MI; Osceola, MI and 1 more areas |
| Headline | Severe Thunderstorm Watch issued July 21 at 12:25AM EDT until July 21 at 2:00AM EDT by NWS Gaylord MI |
| Expires | 2026-07-21T02:00:00-04:00 |
| SenderName | NWS Gaylord MI |
| HasExactCoords | false |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.daf59cc70c2829c8429360362792c8a23c30bac7.003.1","noaa_urn:oid:2.49.0.1.840.0.daf59cc70c2829c8429360362792c8a23c30bac7.004.1","noaa_urn:oid:2.49.0.1.840.0.1591d81df7be13a84aac44acb8e54102ef5f08e4.001.1","noaa_urn:oid:2.49.0.1.840.0.1591d81df7be13a84aac44acb8e54102ef5f08e4.002.1"] |
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.
Review the area, threshold and delivery channel in your account.
Want to know when something happens in this area?