Right now
The most recent data we hold from NOAA arrived 18 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 18 May 2026 at 20:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 40 detections recorded within 20 km of this point since 4 April 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 18 at 4:05PM EDT until May 18 at 4:15PM EDT by NWS Gaylord MI
An estimated 327,442 people live within 50 km of this point.
Nearby, since 4 April 2026
- May 18, 2026 · score 43 · 9.2 km
- September 3, 2026 · score 37 · 9.6 km
- July 15, 2026 · score 48 · 13.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100, at 79 % 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) | 43 / 100 |
| Our confidence | 79% |
| Coordinates | 42.8824, -83.7928 |
| Nearest City | Flint (16 km) |
| Population Exposed | 327.4K within 50 km |
| Impact Tier | significant |
| Date | 2026-05-18 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.94ce1e0ebfb0baa1b3d493cc22d99283 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Alpena, MI; Clare, MI; Isabella, MI; Bay, MI; Midland, MI; Saginaw, MI and 9 more areas |
| Headline | Severe Thunderstorm Warning issued May 18 at 4:05PM EDT until May 18 at 4:15PM EDT by NWS Gaylord MI |
| Expires | 2026-05-18T16:15:00-04:00 |
| SenderName | NWS Gaylord MI |
| HasExactCoords | true |
| MergedCount | 12 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.94ce1e0ebfb0baa1b3d493cc22d992831d29c1d2.001.1","noaa_urn:oid:2.49.0.1.840.0.32d6a12428d3a3a0a75f97fca4f7cb9e237d8d75.001.1","noaa_urn:oid:2.49.0.1.840.0.5b3eec1ecc8d7f0d9dd6e80eac4356efc2d8d209.001.1","noaa_urn:oid:2.49.0.1.840.0.f761fcf763f73399a8411068cd461ec8131b6688.001.1","noaa_urn:oid:2.49.0.1.840.0.e617b33cea6dbc34146413862076af8cd1918e4b.001.1","noaa_urn:oid:2.49.0.1.840.0.70ef42ed6c6e3bbe1df8055b18be86d3f64a4b1d.001.1","noaa_urn:oid:2.49.0.1.840.0.623a919e014f6da99de635aa723ca00637187fa1.001.1","noaa_urn:oid:2.49.0.1.840.0.eb9e696d7c76f949d0efb4a42ef2e52d8cc8c68f.001.1","noaa_urn:oid:2.49.0.1.840.0.bf42bc01a661979f1f99d7fca9d4472c282c00d5.001.1","noaa_urn:oid:2.49.0.1.840.0.34d32c45b8bac6bfd66e7b512ac7dbefaa380900.001.1","noaa_urn:oid:2.49.0.1.840.0.4e140e2cee8f3ae4470fc04f6ee1cc9a72d0083d.001.1","noaa_urn:oid:2.49.0.1.840.0.42c1a84a57a2d9b94a65db3c519304b4a07cf41f.001.1"] |
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.
Want to know when something happens near Flint?
Calamity.live data shows a weather event with CalamityScore 43/100, near Flint (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.