This alert expired on 22 May 2026 at 22:15 UTC. It is kept here as a record.
It is the 3rd strongest of the 16 detections recorded within 20 km of this point since 7 May 2026. The last comparable one was on 7 May 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 22 at 4:09PM CDT until May 22 at 5:15PM CDT by NWS Jackson MS
An estimated 65,642 people live within 50 km of this point.
Nearby, since 7 May 2026
- May 27, 2026 · score 39 · 18.3 km
- July 12, 2026 · score 39 · 23.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 79 % 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) | 39 / 100 |
| Our confidence | 79% |
| Coordinates | 31.4343, -89.1629 |
| Nearest City | Hattiesburg (17 km) |
| Population Exposed | 65.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T21:09:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4257f2ea6458a5dfb0b00855e8a68a7eee53912d.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Forrest, MS; Jones, MS |
| Headline | Severe Thunderstorm Warning issued May 22 at 4:09PM CDT until May 22 at 5:15PM CDT by NWS Jackson MS |
| Expires | 2026-05-22T17:15:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
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 39/100, near Hattiesburg (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.